Table 3.
Components and Scoring of the Cognitive-Psychosocial Domain of the Integrative Successful Aging Score
Cognitive-Psychosocial Domain* | Score | Percentage at Baseline† | Percentage at 2 Years† |
---|---|---|---|
Mini-mental state examination score | |||
Severe cognitive impairment (<18) | 0 | 6.2% | 4.7% |
Mild cognitive impairment (≥18 to <24) | 1 | 45.3% | 43.6% |
No impairment (≥24) | 2 | 48.5% | 47.5% |
Depressive symptomatology score‡ | |||
Clinical depression (≥16) | 0 | 61.3% | 54.5% |
Using antidepressant medication without clinical depression (<16) | 1 | 7.4% | 9.5% |
No clinical depression (<16) and no medication | 2 | 30.7% | 35.5% |
Social support and network score (0–20)§ | |||
Tertile 1 (<8) | 0 | 32.3% | 33.8% |
Tertile 2 (8–13) | 1 | 38.2% | 37.2% |
Tertile 3 (>13) | 2 | 29.6% | 29.1% |
Perceived stress score|| | |||
Tertile 3 (>28) | 0 | 32.8% | 33.1% |
Tertile 2 (20–28) | 1 | 34.0% | 34.7% |
Tertile 1 (<20) | 2 | 32.8% | 31.8% |
Self-rated health | |||
Fair or poor | 0 | 69.4% | 65.8% |
Good | 1 | 19.3% | 20.5% |
Very good or excellent | 2 | 11.2% | 13.1% |
Notes: *Higher cognitive-psychosocial score represents better cognitive-psychosocial health; maximal points were 10 points (range: 0–10).
†n = 950; missing values at baseline ranged between 0% and 9.1%; missing values at 2 years ranged between 0% and 4.1%.
‡Assessed using the 20-item Center for Epidemiological Studies-Depression (CES-D) scale; higher scores indicative of higher depressive symptoms.
§Measured using the Norbeck Social Support Questionnaire assessing the size of the individual’s social network and level of support both emotional and tangible, and the Social and Community Support and Assistance Questionnaire to measure social activities related to family life and social activities within the community.
||Assessed with a 14-item scale on perceptions of lives as stressful; higher scores indicative of higher perceived stress.