Key result
A lower level of subjective well-being was significantly and independently associated with an increased risk of all-cause mortality over 7 years in both middle-aged and elderly men and women.
Why the study?
Does subjective well-being affect all-cause mortality in middle-aged and elderly people?
Population
2,447 middle-aged and elderly people aged 52 to 77 years, living in an urban Japanese community.
Design
Cohort
Follow-up
7 years (1993 to 2000)
Authors
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Low subjective well-being independently predicted higher all-cause mortality; leaves open whether interventions targeting well-being improve survival in older adults.
Cohort (n=2,447)
No
Does subjective well-being affect all-cause mortality in middle-aged and elderly people?
Effect estimate: RR 1.26 for men, RR 1.44 for women (per 1 SD decrease) (95% CI 1.07-1.46 for men, 1.15-1.83 for women)
p-value: p=<0.01
A low level of subjective well-being is significantly and independently associated with an increased risk of all-cause mortality in middle-aged and elderly individuals.
Iwasa et al. (2005) conducted a cohort in General middle-aged and elderly population (n=2,447). Low subjective well-being vs. Higher subjective well-being was evaluated on All-cause mortality (RR 1.26 for men, RR 1.44 for women (per 1 SD decrease), 95% CI 1.07-1.46 for men, 1.15-1.83 for women, p=<0.01). A lower level of subjective well-being was significantly and independently associated with an increased risk of all-cause mortality over 7 years in both middle-aged and elderly men and women.
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