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Longitudinal research is lacking with respect to how negative emotional reactivity and somatic symptoms during adolescence set the stage for later health. The aim of this longitudinal study was to examine within-person associations between negative emotional reactivity and somatic symptoms during adolescence and their effects on health and wellbeing in adulthood. Participants (N = 1527; 48.3% female) were assessed annually at the age of 12 to 16 years and at the age of 35 and 45 years. Adolescents with frequent somatic symptoms reported higher reactivity. Individual differences in levels and changes of somatic symptoms and reactivity were independently associated with adult health and wellbeing decades later. The findings underscore the importance of considering how individual differences change during adolescent development. [ABSTRACT FROM AUTHOR]

The current longitudinal study examined the predictive associations between the development of future perceptions in adolescence and depressive symptoms in adolescence and early and middle adulthood. Participants (N = 1,527; 48.3% female; broadly representative of Western Germany with respect to race/ethnicity and socioeconomic status) were measured yearly in adolescence at the age of 12 to 16 years and then in adulthood at the age of 35 and 45. Future perceptions were assessed during adolescence, whereas depressive symptoms were assessed at the age of 16, 35, and 45. Three important results stand out. First, the measure of future perceptions functioned equivalently across adolescence. Second, the development of future perceptions during adolescence varied across individuals, though mean-level stability was evidenced in the sample. Third, individual differences in the level and change of future perceptions during adolescence predicted depressive symptoms in adolescence and adulthood. These findings demonstrate that one's perception of the future not only has short-term affective consequences but may have long-term effects on depressive symptoms beyond adolescence. [ABSTRACT FROM AUTHOR]

Introduction: This 33‐year study examined associations between self‐control development in adolescence and forgivingness, i.e., the dispositional tendency to forgive others, in middle adulthood. Methods: Participants were 1350 adults aged 45 years (50.6% female). Self‐control was measured yearly from age 12 to 16, while forgivingness was measured at age 45. Results: Results indicated significant individual differences in level and change of self‐control across the adolescent years and an average mean‐level increase. Individual differences in level and change in self‐control were independently associated with forgivingness in middle adulthood. Individuals who either entered adolescence with higher self‐control, and/or increased in self‐control during the adolescent years, reported higher scores in forgivingness at age 45 compared to peers. This pattern held even after controlling for gender, socioeconomic status (SES), and conduct problems in adolescence. Conclusion: The current findings demonstrate that developmental processes in adolescence are important for individual differences in the dispositional tendency to forgive others in adulthood. [ABSTRACT FROM AUTHOR]

Previous studies revealed that low self-esteem is prospectively associated with depression. However, self-esteem has been shown to change over time. We thus hypothesized that not only level but also change in self-esteem affect depression. Using data from a 23-year longitudinal study (N = 1,527), we therefore examined the prospective effects of global and domain-specific self-esteem (physical attractiveness, academic competence) level and change on depressive symptoms 2 decades later. Self-esteem was assessed annually from age 12 to 16, and depression was assessed at age 16 and 35. Results from latent growth curve analyses demonstrated that both level and change in self-esteem served as predictors for adult depression. Individuals who entered adolescence with low self-esteem, and/or whose self-esteem declined further during the adolescent years, were more likely to exhibit symptoms of depression 2 decades later as adults; this pattern held both for global and domain-specific self-esteem. These findings highlight the importance of adolescent self-esteem development for mental health outcomes in adulthood. [ABSTRACT FROM AUTHOR]