PubMed2003
OBJECTIVE: Depression in parents is a prevalent and impairing illness that is encountered frequently in medical practice. Children of depressed parents are at risk for psychopathology and other difficulties. A series of recent national reports have recommended the development of prevention efforts targeting children of depressed parents. Yet, to date, few controlled prevention studies of depression in children and adolescents have been conducted. In this study, we report the evaluation of 2 preventive intervention strategies that target children living in homes with depressed parents. Both are public health approaches that were designed to be used by a wide range of practitioners from a variety of disciplines, including pediatricians, internists, school counselors, nurses, and mental health practitioners. We adopted a developmental perspective and intervened with families when children were entering the age of highest risk for depression onset (ie, adolescence). We chose a family-based approach to prevention and sought to reduce risk factors and enhance protective factors for early adolescents by increasing positive interactions between parents and children, and by increasing understanding of the illness for everyone in the family. Our prevention approaches were designed to provide information about mood disorders to parents, to equip parents with the skills they need to communicate information to their children, and to open a dialogue with their children about the effects of parental depression. We hypothesized that participation in these prevention programs would result in parental change in child-related behaviors and attitudes about depression and its impact on the family. In addition, we hypothesized that this parental change would produce change in children's self-understanding, and in children's depressive symptomatology. METHODS: We conducted a large-scale efficacy trial of 2 manual-based preventive intervention programs that were designed to be used widely in public health settings. These interventions target the relatively healthy children (ages 8-15) of parents with mood disorder. Ninety-three families (88.5% of our initial sample), including 121 children, participated in this study through the fourth assessment point. These families were assigned randomly to either a lecture or a clinician-facilitated intervention. Both interventions were specified in manuals. The lecture condition consisted of 2 separate meetings delivered in a group format without children present. The clinician-facilitated condition consisted of 6 to 11 sessions, including separate meetings with parents and children, and a family meeting in which the parents led a discussion of the illness and of positive steps that can be taken to promote healthy functioning in the children. In addition, telephone contacts or refresher meetings were conducted at 6- to 9-month intervals. In both conditions, psychoeducational material about mood disorders, risk, and resilience was presented and efforts were made to decrease feelings of guilt and blame in children. Parents were helped to build resilience in their children through encouraging their friendships, their success outside of the home, and their understanding of parental illness and of themselves. In addition, in the clinician-facilitated condition, efforts were made to link the psychoeducational material presented to the family's own unique illness experience. To address directly how their lives had changed, all family members in both conditions were assessed for psychopathology and for overall functioning at intake, and for psychopathology, functioning, and response to intervention immediately postintervention, approximately 1 year postintervention, and again approximately 2.5 years postintervention. RESULTS: We examined the outcomes of child understanding and internalizing symptomatology, and a number of predictor variables, using repeated measures analyses with generalized estimating equations. We found that parents in both conditions reported significant change in child-related behaviors and and attitudes, and that the amount of change reported increased over time from time 3 to time 4 (chi2(1) = 18.1). Moreover, relative to parents in the lecture program (mean number of changes = 6.3), parents in the clinician-facilitated program reported more change in child-related behaviors and attitudes (mean number of changes = 9.8). Children in both conditions reported increased understanding of parental illness attributable to participation in our intervention programs. There was a positive association between the amount of change children reported in their understanding of parental illness and the number of changes couples reported in child-related behaviors/attitudes (chi2(1) = 37.3; ie, parents who had changed the most in response to intervention had children who also changed the most). Finally, internalizing scores for all children decreased with increased time since intervention (chi2(1) = 7.3). In addition, females had higher internalizing scores than males (chi2(1) = 5.3). There was no significant effect of group on children's change in internalizing symptomatology (chi2(1) = 0.2). CONCLUSIONS: We enrolled families with relatively healthy children, administered carefully designed preventive interventions that are manual-based and relatively brief, and found that these programs do have long-standing positive effects in how families problem solve around parental illness. Our results show significant benefits from both interventions. Moreover, changes in parents' perceptions translated directly into changes in children's own understanding of parental illness. Parental behavior and attitude changes and their connection to child changes in understanding identify an important mediating variable: family change. By increasing children's understanding of parental mood disorder, our interventions were found to promote resilience-related qualities in these children at risk. This presentation represents the first and only longitudinal primary prevention study of relatively healthy children at risk for psychopathology attributable to parental mood disorder and demonstrates a significant reduction in risk factors and increase in protective factors in these families over a long time interval--2(1/2) years. Our results provide support for a family-based approach to preventive intervention.