Table 3. Associations between psychological well-being dimensions at 52 years or 60-64 years and ACE-III at 69 years.
| Adjusted for cognition at 8* | Adjusted for all covariates† | |||||||
|---|---|---|---|---|---|---|---|---|
| Psychological well-being | Beta (95% CI) | P value | Beta (95% CI) | P value | Beta (95% CI) | P value | R-squared | Cohen’s f2 |
| At 52 years (range 7-42) | ||||||||
| Autonomy | .03 (-.07, .12) | .549 | -.04 (-.12, .04) | .338 | -.04 (-.12, .04) | .353 | .3184 | .0019 |
| Environmental mastery | -.08 (-.16, -.004) | .039 | -.03 (-.10, .04) | .380 | -.02 (-.09, .05) | .500 | .3180 | .0012 |
| Personal growth | .20 (.13, .27) | <.001 | .10 (.03, .16) | .003 | .06 (.0001, .13) | .049 | .3206 | .0050 |
| Positive relations with others | .01 (-.07, .09) | .820 | .01 (-.06, .08) | .738 | .02 (-.05, .08) | .601 | .3171 | .0001 |
| Purpose in life | .08 (.01, .15) | .034 | .04 (-.02, .11) | .170 | .02 (-.04, .09) | .530 | .3174 | .0004 |
| Self-acceptance | -.10 (-.18, -.01) | .025 | -.09 (-.17, -.02) | .017 | -.08 (-.16, -.01) | .024 | .3224 | .0078 |
| At 60-64 years | ||||||||
| Positive affect (range 14-70) | .06 (-.004, .11) | .067 | .03 (-.02, .08) | .269 | .02 (-.03, .07) | .451 | .3175 | .0005 |
| Life satisfaction (range 5-35) | -.01 (-.07, .09) | .752 | .01 (-.06, .08) | .801 | .03 (-.04, .11) | .367 | .3178 | .0010 |
N = 703; full information maximum likelihood estimation was used.
ACE-III, Addenbrooke’s Cognitive Examination (3rd version), total score out of 100.
CI, confidence interval.
Domains of psychological well-being at 52 years were measured using the Ryff Scales of Psychological Well-being.
Positive affect at 60-64 years was measured using Warwick-Edinburgh Mental Wellbeing Scale.
Life satisfaction at 60-64 years were measured using the Diener Satisfaction with Life Scale.
*
Cognition at 8 years was measured using tests of verbal and nonverbal function.
†
Cognition at 8 years, educational attainment by 26 years, occupational attainment and marital status by 53 years, smoking status, physical activity, depression at 60–64 years.