Age patterns in subjective well-being are partially accounted for by psychological and social factors associated with aging.
Level 4 - case-series / case-control
Cross-sectional observational survey (by design analogy)
PubMed 33264331 · doi:10.1371/journal.pone.0242664
What was done
The authors analyzed cross-sectional internet survey data from 3,294 adults aged 40 to 69 to evaluate whether twelve social and psychological variables account for age-related patterns in subjective well-being. Subjective well-being was measured using the Cantril Ladder, and regression analyses were performed to evaluate the attenuation of the age curve when accounting for psychosocial measures.
What was found
Subjective well-being showed a steep increase with age across the 40 to 69 age range. Regression models demonstrated that the twelve social-psychological variables explained about two-thirds of the curve and significantly flattened the age association. Perceived stress, distress-depression, an open perspective about the future, wisdom, satisfaction with social relationships, and family strain showed the most pronounced impacts. The abstract reports no exact numerical effect sizes, regression coefficients, or confidence intervals.
Why it matters
These findings suggest that the rise in subjective well-being observed in middle to early-late adulthood is substantially driven by measurable psychosocial assets and reduced stressors rather than chronological age itself.
Limits
The cross-sectional design cannot establish causality or separate aging effects from cohort effects. The sample was restricted to an internet cohort aged 40 to 69, omitting younger adults and adults 70 and older. All variables relied on self-report, and numerical precision details were omitted from the abstract.
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