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Turbulent changes in early life are a hidden source of childhood trauma, increasing potential risks for mental illness. Many studies have identified the link between childhood uncertainty and mental health. However, research on the long-term effect of early-life uncertainty (EU) on mental health has not been systematically synthesized. This meta-analysis aims to provide a quantitative estimate of the association between EU and subsequent mental health outcomes. Eight electronic databases and gray literature were searched. Twenty-eight studies met our inclusion criteria: samples of non-clinical adolescents or adults and clear and valid assessments. Random-effect models were used to calculate the pooled effect sizes of EU on internalizing problems, externalizing problems, and well-being. Meta-regression and subgroup analysis were used to explore potential moderators. Results indicated small to moderate associations involving EU and internalizing problem ( r = .28; 95% confidence interval [CI] [0.228, 0.326]) and externalizing problem ( r = .16; 95% CI [0.102, 0.220]). EU was not significantly associated with well-being ( r = −.41; 95% CI [−0.738, 0.071]). Furthermore, moderator analyses found that composite uncertain experiences in childhood had a stronger negative effect than single experiences. EU was a stronger predictor of mental health problems in adults than in adolescents. Cross-sectional studies would amplify the correlation between EU and mental illness compared to longitudinal studies. In the future, childhood uncertain and unpredictable risks should receive more attention. More research needs to focus on positive psychological indicators and samples from non-Western countries.
Turbulent changes in early life are a hidden source of childhood trauma, increasing potential risks for mental illness. Many studies have identified the link between childhood uncertainty and mental health. However, research on the long-term effect of early-life uncertainty (EU) on mental health has not been systematically synthesized. This meta-analysis aims to provide a quantitative estimate of the association between EU and subsequent mental health outcomes. Eight electronic databases and gray literature were searched. Twenty-eight studies met our inclusion criteria: samples of non-clinical adolescents or adults and clear and valid assessments. Random-effect models were used to calculate the pooled effect sizes of EU on internalizing problems, externalizing problems, and well-being. Meta-regression and subgroup analysis were used to explore potential moderators. Results indicated small to moderate associations involving EU and internalizing problem ( r = .28; 95% confidence interval [CI] [0.228, 0.326]) and externalizing problem ( r = .16; 95% CI [0.102, 0.220]). EU was not significantly associated with well-being ( r = −.41; 95% CI [−0.738, 0.071]). Furthermore, moderator analyses found that composite uncertain experiences in childhood had a stronger negative effect than single experiences. EU was a stronger predictor of mental health problems in adults than in adolescents. Cross-sectional studies would amplify the correlation between EU and mental illness compared to longitudinal studies. In the future, childhood uncertain and unpredictable risks should receive more attention. More research needs to focus on positive psychological indicators and samples from non-Western countries.
The concept of love of life, which refers to a positive attitude towards one's own life, care for it and attachment to it, has recently captured the attention of researchers in the field of positive psychology. Despite its growing importance, there is a lack of research investigating the underlying mechanisms through which love of life impacts the flourishing and well-being of individuals. For the first time, the present study examined the mediating roles of optimism and hope in the association between love of life and flourishing in Turkish youth. The study comprised 374 young adults, aged between 18 and 24 years (55.3% female; Mean age = 20.94; SD = 1.78 years), who participated in an online survey assessing their levels of love of life, optimism, hope, and flourishing. Results from the mediation analysis revealed that love of life significantly predicted optimism, hope, and flourishing. Furthermore, optimism and hope had significant predictive effects on flourishing. Importantly, optimism and hope played a partial mediating role in explaining the positive influence of the love of life on individuals' flourishing. The findings suggest a positive association between love of life and heightened levels of optimism and hope. These psychological attributes, in turn, emerge as crucial factors contributing to increased flourishing. These results hold significant implications for the development of interventions focused on understanding how to foster the love of life and flourish through the cultivation of psychological strengths.
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