Self-perceptions of aging predict mortality and change with approaching death: 16-year longitudinal results from the Berlin Aging Study.
Level 3 - non-randomized controlled study
Prospective longitudinal cohort study
PubMed 19739922 · doi:10.1037/a0016510
What was done
Using 16-year longitudinal data from 439 participants aged 70 to 100 years in the Berlin Aging Study, researchers analyzed how self-perceptions of aging (satisfaction with aging and subjective age) changed with chronological age and distance to death. They examined whether baseline levels and trajectory patterns of these perceptions predicted mortality hazard after controlling for age, gender, socioeconomic status, dementia diagnosis, and number of illnesses.
What was found
Higher aging satisfaction, younger subjective age, and more favorable change patterns (e.g., less decline in aging satisfaction) were uniquely associated with lower mortality hazards after adjusting for demographic and health covariates. As participants approached death, aging satisfaction declined and they reported feeling older. For aging satisfaction, mortality-related decline was steeper than age-related decline, whereas subjective age change was primarily an age-related process. The abstract reports no numerical effect sizes or risk ratios.
Why it matters
This study shows that self-perceptions of aging are dynamic processes linked to survival and proximity to death rather than static psychological traits, remaining predictive of mortality even after adjusting for major objective health indicators.
Limits
The abstract reports no numerical values, effect sizes, or confidence intervals. The observational design cannot establish causality, and findings from this specific cohort of older adults aged 70–100 may not generalize to younger populations or other cultural contexts.
Cited by
- supports Research indicates that older adults with a positive attitude toward aging live longer and are less likely to develop dementia.