In a 2-wave longitudinal study, 9th-grade students (N = 468) completed self-report measures of stressful life events, depressive symptoms, and 5 domains of self-perceived competence (i.e., academic competence, social acceptance, physical appearance, behavioral conduct, and athletic competence). Teachers and peers also reported about the participants' depressive symptoms. In longitudinal analyse...

Both clinical and subclinical depression are associated with social impairment; however, few studies have examined the impact of social contact in the daily lives of people with depressive symptoms. The current study used the experience-sampling methodology to examine associations between depressive symptoms, social contact, and daily life impairment in 197 young adults. Depressive symptoms wer...

BACKGROUND Previous findings suggest that stressful life events have a causal relationship with depressive symptoms. However, to date little is known concerning the contribution of the number and severity of recent stressful life events on the prevalence of depressive symptoms among university students. The aim of this study was to investigate the prevalence of depressive symptoms and its assoc...

The objective of the present study was to examine the joint effects of the body mass index and the MAOA gene polymorphism on depressive symptoms. In two independent Chinese samples, we measured adolescents' depressive symptoms and body mass index and collected their DNA. The results indicated that the main effects of the MAOA gene polymorphism on depressive symptoms were significant. However, t...

The current study examined whether negative interactions with parents and peers would mediate the longitudinal association between perceived social competence and depressive symptoms and whether a negative cognitive style would moderate the longitudinal association between negative interactions with parents and increases in depressive symptoms. Youth (N = 350; 6th-10th graders) completed self-r...

OBJECTIVE Data are scarce regarding the sociodemographic predictors of antenatal and postpartum depression. This study investigated whether race/ethnicity, age, finances, and partnership status were associated with antenatal and postpartum depressive symptoms. SETTING 1662 participants in Project Viva, a US cohort study. DESIGN Mothers indicated mid-pregnancy and six month postpartum depres...

A longitudinal investigation was conducted to explicate the network of associations between depressive symptoms and peer difficulties among 486 fourth through sixth graders (M = 9.93 years). Parent and teacher reports of depressive symptoms; peer, self, and teacher reports of victimization; and peer reports of peer acceptance were obtained. A systematic examination of nested structural equation...

BACKGROUND We examined the current status of depressive and anxiety symptoms in Japanese women during pregnancy and postpartum. METHODS We asked 220 Japanese women who gave birth to singleton babies at term to answer the two self-administered questionnaires (Whooley's two questions and two-item generalized anxiety disorder scale) at first, second and third trimester of pregnancy and 1 month a...

This study used a multiwave design to examine the short-term longitudinal and bidirectional associations between depressive symptoms and peer relationship qualities among a sample of early to middle adolescents (N = 350, 6th-10th graders). Youth completed self-report measures of relationship quality and depressive symptoms at three time points spaced about 5 weeks apart. Results indicated that ...

BACKGROUND Early life stress (ELS) consists of child family adversities (CFA: negative experiences that happened within the family environment) and/or peer bullying. ELS plays an important role in the development of adolescent depressive symptoms and clinical disorders. Identifying factors that may reduce depressive symptoms in adolescents with ELS may have important public mental health implic...