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1 23 Journal of Child and Family Studies ISSN 1062-1024 Volume 27 Number 4 J Child Fam Stud (2018) 27:1207-1215 DOI 10.1007/s10826-017-0969-0 Mental Health of Parents of Children with Congenital Zika Virus Syndrome in Brazil Luana Elayne Cunha de Souza, Tiago Jessé Souza de Lima, Erlane Marques Ribeiro, André Luiz Santos Pessoa, Thamyres Costa Figueiredo, et al. 1 23 Your article is protected by copyright and all rights are held exclusively by Springer Science+Business Media, LLC, part of Springer Nature. This e-offprint is for personal use only and shall not be self-archived in electronic repositories. If you wish to self- archive your article, please use the accepted manuscript version for posting on your own website. 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Journal of Child and Family Studies (2018) 27:1207–1215 https://doi.org/10.1007/s10826-017-0969-0 ORIGINAL PAPER Mental Health of Parents of Children with Congenital Zika Virus Syndrome in Brazil Luana Elayne Cunha de Souza1 ● Tiago Jessé Souza de Lima1 ● Erlane Marques Ribeiro2,3 ● André Luiz Santos Pessoa2 ● Thamyres Costa Figueiredo1 ● Luiza Barbosa Porto Lima1 Published online: 1 February 2018 © Springer Science+Business Media, LLC, part of Springer Nature 2018 Abstract This study aims to analyze the potential impact of taking care of a child with congenital Zika virus syndrome (CZS) on the mental health of parents. Specifically, three objectives were formulated: (a) to assess the level of mental health of the parents; (b) to examine the influence of subjective well-being and fatigue as predictors of parents’ mental health; and (c) to identify the impact of sociodemographic variables on parents’ mental health. Sixty-nine mothers (Mage= 26.38; SD= 6.23) and 17 fathers (Mage= 31.41; SD= 7.57) of children diagnosed with CZS took part in this study. They answered a questionnaire containing measures of positive and negative affects, life satisfaction, fatigue, mental health, as well as sociodemographic questions. The results indicated that approximately 7% of the participants had low levels of mental health and probable emotional disorder. In addition, higher levels of fatigue and negative affects and lower levels of life satisfaction significantly predict a lower level of mental health. Finally, comparative analysis showed significant differences between fathers and mothers: mothers reported experiencing fewer positive and more negative affects, a lower level of satisfaction with life, a higher level of fatigue and worse mental health. In summary, this article presents an overview of the mental health of mothers and fathers of children with CZS and points the way to devising strategies for psychological intervention that promote the adaptation of parents to this kind of developmental disability in the family. Keywords Parents ● Mental health ● Fatigue ● Microcephaly ● Zika virus congenital syndrome Introduction The spread of the Zika virus in Brazil occurred concurrently with a considerable increase in the number of live newborns with microcephaly, a congenital malformation in which the brain does not develop properly (Vargas et al. 2016). Sev- eral recent studies based on strong clinical, epidemiologic, and laboratory evidence have indicated the existence of a causal relationship between Zika virus infection and con- genital microcephaly and other serious brain anomalies (Géradin et al. 2017; Krauer et al. 2017; Miranda-Filho et al. 2016; Moore et al. 2016). According to Moore et al. (2016), this constellation of anomalies that is both consistent and unique is called congenital Zika virus syn- drome (CZS). CZS can lead to several alterations, the most frequent being delayed neuropsychomotor development, cerebral palsy, epilepsy, difficulty in swallowing, visual system anomalies and hearing loss, as well as behavioral disturbances (Eickman et al. 2016). Congenital Zika virus syndrome, as well as other developmental disabilities such as cerebral palsy (Cheshire et al. 2010), autism spectrum disorder (Giallo et al. 2001) and Down syndrome (Van der Veek et al. 2009), has several social implications that affect family dynamics and are potential source of psychological distress for parents because of the uncertainty regarding the developmental outcome of their children (Oliveira et al. 2016). Addition- ally, children with developmental disabilities have multiple care needs that go beyond those of children of the same age with typical development, and consequently require greater involvement of parents in their care (Guillamon et al. 2013). In this sense, several studies have been conducted in recent decades to evaluate the consequences that caring for children with developmental disabilities have on the mental * Tiago Jessé Souza de Lima tiago.souzalima@hotmail.com 1 University of Fortaleza, Fortaleza, Ceará, Brazil 2 Hospital Infantil Albert Sabin, Fortaleza, Ceará, Brazil 3 Faculdade de Medicina UNICHRISTUS, Fortaleza, Ceará, Brazil 12 34 56 78 90 () ;,: Author's personal copy health of parents (Giallo et al. 2013; Cheshire et al. 2010). These studies have focused mainly on maternal and paternal care for children with cerebral palsy, autism spectrum dis- order, and Down syndrome. In general, they have shown that parents of children with developmental disabilities experience, for example, lower psychosocial well-being (Cheshire et al. 2010; Vander Veek et al. 2009), lower quality of life (Guillamon et al. 2013), in addition to higher levels of fatigue (Garip et al. 2016), anxiety and depression (Gatzoyia et al. 2014) and stress (Dabrowska and Pisula 2010), compared to parents of children with typical development. In relation to CZS, an initial study carried out by Oliveira et al. (2016) sought to compare levels of anxiety, depres- sion, and quality of life among nine mothers of newborns with CZS and 20 mothers of babies with typical develop- ment. The authors observed in both groups high levels of anxiety and normal levels of stress, and the groups did not differ significantly in these two factors. Regarding quality of life, however, the mothers of children with CZS pre- sented significantly lower scores in the psychological domain, whereas in the physical, social and environmental domains there were no significant differences. It should be noted that data from this study were collected 24 h after the birth of the child, which may indicate the psychosocial consequences of the diagnosis of CZS, not considering the period of adaptation to the new situation that often tests the resources of parents and family as a whole in dealing with changes in their daily activities (Guillamon et al. 2013). It is possible that the differences in mental health between par- ents of children with CZS and parents of children with typical development will intensify over time with the growth of the child. Besides the study of Oliveira et al. (2016), to the best of our knowledge no other studies have been performed to evaluate the mental health of parents having children with CZS. Although the studies described above have focused predominantly on psychosocial distress (e.g., anxiety, depression and stress), they have neglected the positive aspects of individuals. A new movement in positive psy- chology, on the other hand, suggests that in order to get a complete picture of mental health, positive psychosocial well-being should also be evaluated (Diener and Chan 2011). Subjectivewell-being (SWB) can be understood as a fully functioning condition of an individual, referring not only to the absence of disease, but also to a state of inner satisfaction in relation to either oneself or the surrounding environment (Ryan and Deci 2000). According to Diener and Chan (2011), SWB refers to people’s evaluations of their lives, which can be judgments such as life satisfaction, and evaluations based on feelings, including positive and negative affects. Life satisfaction refers to a positive cognitive assessment of life as a whole, while positive/negative affects express the frequency of positive/negative emotions experienced by the individual (Woyciekoski et al. 2012). From this perspective, people can subjectively interpret life situations and experiences in a positive or negative way, influencing the evaluation of their own lives. In this way, the subjective interpretation of events is predominantly influenced by SWB, going beyond the objective factors of biological or mental health. In other words, in a particular instance an individual, although under pressure or suffering from illness, can actually feel happy (Woyciekoski et al. 2012). SWB is a relevant indicator of mental health and is relatively stable over time, presenting cumulative influences on general health (Diener and Chan 2011). Therefore, assessing how parents evaluate their life is an important factor in understanding their mental health, and consequently, is a strong indicator of their motivation to take care of their children. Among the studies that have looked at parents of chil- dren with developmental disabilities, we found none that assessed the subjective well-being of these parents, although some researchers have tried to evaluate the rela- tionship between care and the parents’ well-being. While the majority of these studies interpret wellness from a psycho- logical perspective, with well-being measured by negative psychological aspects such as anxiety and depression, the results indicate that mothers of children with cerebral palsy (CP) or with autism spectrum disorder (ASD) experience greater stress, anxiety, and depression (Barlow et al. 2006; Giallo et al. 2013; Pozo et al. 2014). Another study was carried out by Cheshire et al. (2010) in which they evaluated anxiety, depression, and satisfac- tion with life and aimed to compare the psychosocial well- being of parents of children with cerebral palsy and parents of children with typical development. They observed that the parents of children with CP had significantly lower life satisfaction and higher levels of anxiety and depression, suggesting an association between CP child care and a lower level of psychosocial well-being. In another study, in which a diary method was adopted to examine the experi- ences of parents of children with a heterogeneous group of developmental disorders, Seltzer et al. (2009) found that the parents of children with developmental disorders had higher levels of stress and had more negative affects compared to parents of children without disorders. On the other hand, these authors did not observe differences in terms of daily time use or positive affect experiences. However, for par- ents of children with disorders, time spent with the child was associated with more negative affects compared to parents of children without disorders. According to Giallo et al. (2013), another aspect that has the potential to affect the mental health of parents of chil- dren with developmental disabilities is fatigue. Unlike tiredness, which is usually relieved through rest, fatigue has 1208 Journal of Child and Family Studies (2018) 27:1207–1215 Author's personal copy been defined as a persistent feeling of physical and mental exhaustion that is not necessarily caused by exertion and is not easily relieved through rest (Giallo et al. 2013). According to Yang and Wu (2005), fatigue can be under- stood as a daily experience of attrition that can have a negative impact on physical and cognitive functions (Michielsen et al. 2004) and on mental health (Khayamim et al. 2016). In a review by Giallo et al. (2013), fatigue was defined as a serious health problem for parents of children with developmental disabilities and was associated with reduced daytime functioning and difficulty in clarity of thinking, reduced well-being (including increased depression, anxiety and stress), less patience and ability to deal with children, and high maternal stress and irritability. Compared to mothers of typically developing children, mothers of chil- dren with developmental disabilities reported significantly higher levels of fatigue. In addition, fatigue was associated with parents’ depression, anxiety, stress, lower self-efficacy and satisfaction (Giallo et al. 2013), and deterioration of quality of life in terms of physical, social and emotional functioning (Garip et al. 2016). Another set of variables that has helped to understand the mental health of parents of children with developmental disabilities involves their sociodemographic characteristics (Giallo et al. 2013; Pozo et al. 2014). Some studies have pointed out, for example, differences between the gender of the caregiver in relation to mental health, with mothers tending to present a higher level of depression and anxiety than fathers (Pozo et al. 2014). Younger parents also reported more severe depressive symptoms, mainly in the first few years after diagnosis (Gatzoyia et al. 2014). In addition, the financial condition of the family also sig- nificantly predicts mental health, and parents who cannot cover the financial expenses of the family have a higher level of depression (Gatzoyia et al. 2014). Higher levels of parental education are also related to better mental health indicators (Tonge et al. 2006). Given the high demands and challenges faced by parents in taking care of children with developmental disabilities, this study extends previous research to examine the poten- tial impact of taking care of a child with CZS on the mental health of parents. Three specific objectives were formulated: (a) to assess the level of mental health of the parents; (b) to examine the influence of subjective well-being and fatigue as predictors of parents’ mental health; and (c) to identify the impact of sociodemographic variables on parents’ mental health. We think that an assessment of how these parents feel and the way they evaluate their lives can pro- vide inputs not only to assess how their mental health may be compromised, but also to think about ways to cope with that adverse situation, which can in turn improve their mental health. Method Participants The participants in this study were 86 parents (69 mothers and 17 fathers) of 69 children diagnosed with CZS born in the state of Ceará, in northeastern Brazil. The children were between 1 and 20 months of age (M= 9.67 months; SD= 3.60), the majority being girls (55.1%). The parents were between 16 and 43 years of age (M= 27.4; SD= 6.78). Approximately half of the sample (52.5%) lived in the Fortaleza metropolitan region, while the other half (47.5%) was composed of residents of different cities in the state. Their sociodemographic characteristics are presented in Table 1. This research design and sample size provided 80% power to detect an effect size of d= 0.67 in the t-test for independent groups, and 97% power to detect an effect size of η2p= 0.15 in linear multiple regression analysis (Cohen 1988; Faul et al. 2007), as calculated by G*Power. Procedure This research was carried out during the Second Collective Action Outreach Campaign for children diagnosed with CZS of the Brazilian state of Ceará. It is an event organized by a multi-professional team that aims to provide care for and periodically monitor the development of these children. The parents of children with CZS who used public healthservices for CZS treatment were invited to participate in this event. Data was collected during 2 days in December 2016 by members of CAVIVER, a nongovernmental organiza- tion. Parents were individually approached by one of the research team members and, at this initial point, the purpose of the survey was explained, as was the voluntary and anonymous nature of the responses. The parents who agreed to participate in the study signed the informed consent form and then were interviewed. Because the participants had different levels of education, we chose to conduct inter- views in order to standardize the data collection. Seven undergraduate psychology students, trained appropriately for this task, conducted the interviews. On average, 20 min was enough to complete each interview. This study is part of a larger project that has been approved by the research ethics committee of Albert Sabin Children’s Hospital (registration number: 1.743.023). Measures Subjective well-being was assessed with (1) the Positive and Negative Affect Schedule (PANAS, Watson et al. 1988) and (2) the Satisfaction with Life Scale (SWLS, Diener et al. 1985), both adapted to and validated for Brazil by Giacomoni and Hutz (1997). The PANAS is composed Journal of Child and Family Studies (2018) 27:1207–1215 1209 Author's personal copy of ten adjectives (five positive and five negative; e.g., sad- ness, fear, contentment, joy) that evaluate how much the participant has experienced each of these affects in the last two weeks. The items are rated on a seven-point Likert scale (1=Nothing to 7= Extremely). The positive affect (α = .82) and negative affect (α= .73) factors obtained sui- table indices of internal consistency (Cronbach’s alpha) in the study sample. The SWLS is composed of five items which evaluate satisfaction related to general aspects of life (e.g., In most ways my life is close to my ideal). Responses are given according to a 7-point scale (1= Strongly dis- agree to 7= Strongly agree). In the sample, this scale pre- sented internal consistency of .73. Fatigue was assessed with the Fatigue Assessment Scale (FAS; Michielsen et al. 2003). The FAS was adapted to and validated for Brazil by Gouveia et al. (2015), and is com- posed of 10 items (e.g., I get tired very quickly; Mentally, I feel exhausted) answered on a five-point scale (1=Never to 5=Always), where the participants are asked to indicate how they have been feeling, in a general way, in their day- to-day life. The scale presented moderate internal con- sistency (α= .79) in the present sample. Mental health of the parents was assessed with the General Health Questionnaire (GHQ-12; Goldberg and Williams 1988; Gouveia et al. 2012). This scale is com- posed of 12 items, used to evaluate non-psychotic psy- chiatric symptoms (e.g., Felt capable of making decisions about things?; Felt you couldn’t overcome your difficulties). In the case of negative items, the response alternatives vary from 1= absolutely not, to 4=much more than usual; in the case of positive items the answers range from 1=more than usual, 4=much less than usual. A higher score is indicative of a lower level of mental health. The internal consistency index of the scale was also suitable in the present sample (α= .81). The value of 3 on the total mean of the GHQ scale was adopted as the cutoff point, with scores equal to or above that value indicating low mental health (Totsika et al. 2011). Participants also answered a series of sociodemographic questions regarding both the child (e.g., gender and age) and the characteristics of the mother and father (e.g., age, schooling, religion, marital status, occupation, employment status, and household income). Data Analyses Initially, descriptive analyses were performed, calculating measures of central tendency and dispersion to evaluate the prevalence of SWB, fatigue, and mental health. Then, Pearson correlations were computed to evaluate the possible correlations between the studied variables. Hierarchical multiple regression analysis with the Enter method was also performed to evaluate if the sociodemographic character- istics, SWB variables, and fatigue predict the parents’ mental health. Two regressions per block of variables were calculated. In the first equation, the block of socio- demographic variables was included (gender of parents, age of parents, schooling, employment status, family income, number of siblings, and age of child). In the second equa- tion, SWB variables and fatigue were added. The socio- demographic variables gender of parents (0=male, 1= female) and employment status (0= unemployed, 1= employed) were coded as dummy variables to be included Table 1 Sample characteristics Variable Mothers Fathers Age (range) 16–42 19–43 Age (M, SD) 26.38 (6.23) 31.41 (7.57) Education (n, %) Non-literate – – Incomplete elementary school 15 (21.7%) 2 (11.8%) Complete elementary school 8 (11.6%) 2 (11.8%) Incomplete high school 7 (10.1%) 4 (23.5%) Complete high school 28 (40.6%) 5 (29.4%) Incomplete higher education 4 (5.8%) 1 (5.9%) Complete higher education 6 (8.7%) 3 (17.6%) Missing cases 1 (1.4%) – Employment situation (n, %) Employee 7 (10.1%) 11 (64.7%) Unemployed 51 (73.9%) 1 (5.9%) Informal 5 (7.2%) 5 (29.4%) Retired 0 – Missing cases 6 (8.7%) – Marital status (n, %) Married 21 (30.4%) Stable union 27 (39.1%) Separated 8 (11.6%) Missing cases 13 (18.8%) Other children (n, %) 0 29 (42%) 1 15 (21.7%) 2 17 (24.6%) 3 5 (7.2%) 4 2 (2.9%) Missing case 1 (1.4%) Household income (n, %) No income 1 (1.4%) Less than one minimum wage 12 (17.4%) 1 minimum wage 32 (46.4%) 2 minimum wages 11 (15.9%) 3 minimum wages 3 (4.3%) 4 or more minimum wages 5 (7.1%) Missing cases 5 (7.1%) 1210 Journal of Child and Family Studies (2018) 27:1207–1215 Author's personal copy in the analysis. The partial eta squared (η2p) was used as a measure of the regression effect size. To assess if the psy- chological variables studied differed between mothers and fathers, t-tests were carried out. To evaluate the effect size of these differences, Cohen’s d was used, with values between 0.20 and 0.50 indicating small effects, values between 0.50 and 0.80 indicating moderate effects, and values above 0.80 indicating large effects (more informa- tion’s about this index can be found in Cohen 1988). Missing data analysis pointed to less than 3.5% missing cases across all items of the measures. All missing data were imputed using the series mean method via the missing values analysis option available in SPSS 20.0. Results Initially, descriptive statistics for positive affects, negative affects, satisfaction with life, fatigue, and general health were computed. Regarding parent mental health, 18.6% of the participants had a score greater than or equal to 2.5 (midpoint of the scale), indicating a negative evaluation of their mental health, and 6.75% of the participants had a score greater than the cutoff point adopted (3), indicating low mental health and probable emotional disorder. Based on the literature indicating that mothers present worse mental health compared to fathers, one-tailed t-tests were performed to test this hypothesis. The results showed sig- nificant differences between fathers and mothers in all variables. In general, mothers reported experiencing fewer positive affects and more negative affects, lower level of satisfaction with life, a higher level of fatigue, and worse mental health. The mean values of both groups (and for parents in general), as well as the test statistics, are pre- sented in Table 2. The effect sizes for these differences can be considered moderate since they are very close to or above the cutoff point recommended in the literature (Cohen’s d > 0.50). Bivariate analysis was conductedto examine parent mental health in the relationships among their positive and negative affects, satisfaction with life, fatigue, and socio- demographic variables. Pearson’s r correlations were employed for continuous variables and point-biserial cor- relations for dichotomized variables (parent’s sex and employment situation). The results indicated that lower parent mental health was associated with mothers. In addition, positive affects and life satisfaction were asso- ciated with a better level of mental health, while negative affects and fatigue were associated with lower mental health. These data are summarized in Table 3. Because 34 participants were nested in 17 couples, some violation of independence of observations might have occurred. In order to check this possibility, a random effect regression analysis was run that included only the intercept to estimate the variance component of the parents’ mental health (Hox 2010). The results indicated that the variability in mental health is explained at the individual level (var- iance component= 1.97, t (16)= 23.7, p< .001), but not at the couple level (variance component= .05, Wald Z= 1.03, p= .31). Since the random effect is not significant, the independence of the observations can be assumed, and so the mental health of the parents was regressed in the vari- ables that correlated significantly in the bivariate analysis. In the first step, the mental health of the parents was regressed in the model where only the parent’s sex was Table 2 Positive and negative affects, satisfaction with life, fatigue and general health in the total sample and separately in mothers and fathers Range Parents M (SD) Mothers M (SD) Fathers M (SD) t test d’s Cohen Positive affects 1.20–7.0 5.13 (1.24) 4.99 (1.29) 5.71 (0.82) t (84)=−2.17** −0.67 Negative affects 1.0–5.60 2.91 (1.12) 3.03 (1.13) 2.42 (0.96) t (84)= 2.05** 0.58 Satisfaction with life 2.0–7.0 4.74 (1.20) 4.63 (1.18) 5.20 (1.16) t (84)=−1.77* −0.49 Fatigue 1.33–4.22 2.58 (.73) 2.64 (0.82) 2.31 (0.66) t (84)= 1.69* 0.44 Mental health 1.25–3.50 2.08 (.53) 2.14 (0.54) 1.83 (0.38) t (84)= 2.21** 0.64 **p< .01; *p< .05 Table 3 Correlation between mental health and potential predictor variables Mental health p Parents’ sex .23 .030 Parents’ age .07 .550 Education .04 .691 Employment situation −.05 .683 Family income .03 .789 Number of brothers .20 .069 Child’s age −.02 .882 Positive affects −.41 .000 Negative affects .59 .000 Satisfaction with life −.53 .000 Fatigue .63 .000 Note: Parents’ sex: 0=male; 1= female; Employment situation: 0= unemployed; 1 Journal of Child and Family Studies (2018) 27:1207–1215 1211 Author's personal copy included as predictor, obtaining a significant regression coefficient R2= .06, F (1, 83)= 5.05, p< .05. We observed that the parent’s sex (β= .23; p< .05; η2p= .06) sig- nificantly predicts mental health, with mothers having worse levels of mental health compared to fathers. In the second step, when positive and negative affects, satisfactions with life and fatigue were added to the pre- vious model, the regression coefficient was significant, R2 = .53, F (5, 83)= 17.56, p< .001. In this second model, parent’s sex did not significantly predict mental health. Among the other variables, we observed that the negative affects (β= .24; p< .05; η2p= .06) and life satisfaction (β =−.26; p< .05; η2p= .08) significantly predict mental health, so that higher levels of life satisfaction predict better mental health and higher levels of negative affects predict lower mental health. Fatigue also significantly predicts mental health, with higher levels of fatigue predicting worse mental health (β= .35; p< .01; η2p= .13). This second model presented a significant increase in the explained percentage of the parents’ mental health variance, R²Change = .47; FChange (4, 78)= 19.5, p< .001. Therefore, negative affects, life satisfaction, and fatigue significantly predict the mental health of the parents of children with CZS, even controlling for the effects of sociodemographic variables. These results are summarized in Table 4. Discussion The first objective of this study was to evaluate the levels of mental health of parents of children with CZS. The results indicated that 6.75% had low levels of mental health and probable emotional disorder. Although raising children involves stress and requires parents to adapt to the chal- lenges of this new family situation, mothers and fathers of children with developmental disabilities are likely to face more challenges, resulting in a negative impact on their mental health (Giallo et al. 2001; Freitas et al. 2014). It is probable that parents of children with CZS also face similar challenges. The parents of these children need, for example, to deal with the acceptance of the child’s conditions and limitations, adjusting to and managing their difficulties, and may face significant emotional distress, relationship con- flicts, financial problems, more time spent in consultations with various specialists, and also stigma and negative social attitudes (Mak and Kwok 2010; Pozo et al. 2014). Such conditions add even more challenges to the role of mother/ father, leading to greater psychological suffering and, con- sequently, lower levels of mental health. In addition, the results showed differences between fathers and mothers: mothers experience less positive affects and more negative affects, had a lower level of satisfaction with life, a higher level of fatigue, and worse mental health. These results corroborate other findings presented in the literature. In general, existing research has indicated that fathers have lower levels of anxiety, stress and depression than mothers (Dabrowska and Pisula 2010; Hastings 2003; McCarthy et al. 2006), and that fathers are less involved in the daily care of children, even when mothers have a job (Hastings 2003). According to McCar- thy et al. (2006), much of the research on parents of children with developmental disabilities has focused on mothers. This disparity reflects the importance of making the com- parison between fathers and mothers. The predominance of studies with mothers has largely been determined by the social roles traditionally played by women, which involve taking care of other family members (Borsa and Nunes 2011). According to Wood and Eagly (2010), women continue to take primary responsibility for childcare and other domestic work. Another objective of the current study was to examine the influence of positive and negative affects, satisfaction with life, fatigue, and sociodemographic variables on the mental health of mothers and fathers. Pearson’s correlation analysis indicated that parents who reported low levels of mental health also reported greater experience of negative Table 4 Regression coefficients and effect size obtained in the analysis of mental health predictors Predictors Model 1 Model 2 B IC 95% β B IC 95% β η2p Parents’ sex 0.31 0.03;0.59 .23* 0.08 −0.13;0.30 .06 0.00 Positive affects −0,02 −0.09;0.06 −.03 0.00 Negative affects 0,11 0.01;0.21 .24 0.06* Satisfaction with life −0,11 −0.20;−0.03 −.26 0.08* Fatigue 0,26 0.11;0.41 .35 0.13** R2 0.06 0.52 R2Adjusted 0.04 0.50 Parents’ sex: 0=male; 1= female **p< .01; *p< .05 1212 Journal of Child and Family Studies (2018) 27:1207–1215 Author's personal copy affects, greater perception of fatigue, less experience of positive affects, and lower satisfaction with life, corrobor- ating the findings of other studies involving parents of children with developmental disorders (Barlow et al. 2006; Cheshire et al. 2010). When we considered these variables in a regression model to explain mental health, we observed that they account for 50% of the participants’ mental health variance. Among the sociodemographic variables, onlygender predicted the mental health of the parents, with mothers presenting worse levels of mental health compared to fathers (t-test also indicated that mothers showed poorer mental health than fathers), corroborating other studies that have indicated differences between fathers and mothers of children with developmental disabilities (Gatzoyia et al. 2014; Hastings 2003). However, when adding other vari- ables to the model (positive and negative affects, satisfac- tion with life, and fatigue), the parents’ gender ceased being a significant predictor of mental health. Nevertheless, the results also indicate that mothers show more negative affect, more fatigue, and less life satisfaction, which leads to poorer mental health. Taking in account the SWB variables and fatigue, fatigue had the greatest effect on mental health, followed by satisfaction with life and negative affects. In fact, several kinds of research with parents of children with develop- mental disabilities have pointed out that fatigue is a strong risk factor for the development of psychological problems (Giallo et al. 2013; Runquist 2007). According to Giallo et al. (2013), physical and mental fatigue can make it more difficult for parents to access their personal coping resour- ces to manage stressors of the environment, putting them at risk of developing problems that affect their well-being, such as depression. In this sense, psychological interven- tions focused on this group can help parents understand the factors related to fatigue, and thus be able to manage them more appropriately, promoting their general well-being (Giallo et al. 2001). In relation to the satisfaction with life and negative affects (SWB components), the results obtained here support other studies in the literature that indicate a relationship between SWB and health, whether physical or mental (Diener and Chan 2011). As stated earlier, SWB can be understood as the cognitive and affective assessments (positive and negative) that people make about their lives. In this study, better mental health of the parents of children with CZS was predicted by experi- encing lower levels of negative affects and higher satis- faction with life. Although 7% of the sample presented compromised levels of mental health, we cannot affirm that the other participants of the sample presented good mental health. In fact, mental health is not only the absence of a mental disorder, but also the presence of positive psychological resources, including components of hedonic or subjective well-being (e.g., positive affects, life satisfaction, and hap- piness) as well as components of eudaimonic well-being (e.g., self-acceptance, positive relationships, autonomy, and purpose in life; Sin and Lyubomirsky 2009). Thus, inter- ventions aimed at promoting these positive aspects and reducing negative ones can contribute to the prevention of future psychological problems. Strengths, Limitations, and Future Research Directions Although the results obtained make an important and unprecedented contribution to the understanding of the mental health of parents of children with CZS, some lim- itations can be pointed out. A first limitation concerns the fact that the sample may not be representative of the uni- verse of mothers and fathers of children with CZS. Future studies should rely on more representative samples that are evenly distributed among mothers and fathers. In addition, the parents who participated in this study had sought health services on the date they were interviewed. This might indicate that these parents behave more proactively by seeking support and treatment for their children and use more adaptive coping strategies (Dab- rowska and Pisula 2010), possibly having lower than average mental distress. Interviewing parents who are not using these services could provide a different picture than the one presented here. Moreover, the small sample size of fathers and the unbalanced sample between mothers and fathers can increase vulnerability to assumption viola- tions of the t-test. These flaws indicate that the observed differences between fathers and mothers should be eval- uated with caution, since it is possible that with samples having more equivalent sizes, the measured means of fathers and mothers may present results different from those observed here. Future studies can also make use of a comparison group consisting of parents of children with typical development, enabling more precise inferences about the impact of taking care of a child with CZS on a parent’s mental health. The cross-sectional design adopted here also does not allow us to infer cause-and-effect relationships, or to ensure the direction of the effects between the variables. New research using longitudinal designs and control groups will be able to more accurately identify the reliability of the direction of causal relations between variables. However, the model proposed here is theoretically consistent with the idea that people’s subjective interpretation of life situations and experiences in a positive or negative way will influence their health (Woyciekoski et al. 2012). Finally, future stu- dies can also evaluate alternative models to the one tested here. It is possible, for example, that individual variables such as parental self-efficacy and coping, as well as Journal of Child and Family Studies (2018) 27:1207–1215 1213 Author's personal copy environmental strategies such as social support, mediate the relationship between the affective and cognitive assess- ments that individuals make about their lives and their mental health (Souza et al. 2014). Nevertheless, the current study presents important con- tributions to the study of the mental health of mothers and fathers of children with CZS. First, we extend previous research on the mental health of parents of children with developmental disabilities to the parents of children with CZS, this being the first study to present an overview of the mental health of mothers and fathers of children with CZS. The results obtained here suggest that psychological assis- tance to improve the mental health of the parents of children with CZS is necessary. In addition, this study also points out that SWB and parental fatigue are important predictors of mental health and should be taken into account when designing intervention strategies that promote the adapta- tion of parents to developmental disabilities in the family. Knowing more about the subjective experiences of the parents is important to design specific support interventions focused on reducing their psychological distress. In summary, the results of the current study show that, in addition to all the health services that should be offered to children with CZS, the parents of these children, especially the mothers, need a closer look by health professionals, especially psychologists, in the sense of thinking about intervention strategies that focus on the way these indivi- duals perceive their life experiences and their feelings. In addition, taking care of the parents implies necessarily taking care of the children, since psychologically healthy parents will be in better physical and psychological condi- tion to take care of their children. Author Contributions L.E.C.S.: designed and executed the study, assisted with data collection, and final revision of the manuscript. T.J. S.L.: designed and executed the study, assisted with the data analyses, and wrote the paper. E.M.R: contributed by critically reviewing the theoretical content and discussion of results. 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Journal of Child and Family Studies (2018) 27:1207–1215 1215 Author's personal copy Mental Health of Parents of Children with Congenital Zika Virus Syndrome in Brazil Abstract Introduction Method Participants Procedure Measures Data Analyses Results Discussion Strengths, Limitations, and Future Research Directions Compliance with Ethical Standards ACKNOWLEDGMENTS References
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