Table 1.
Characteristics of the participants.
| Overall (N = 179) | |
|---|---|
| Age, Mean (SD) | 75.0 (5.93) |
| Sex (n, % Female) | 118 (65.9%) |
| Education attainment, n (%) | |
| No education | 52 (29.1%) |
| Elementary school graduation | 84 (46.9%) |
| Middle school graduation | 21 (11.7%) |
| High school graduation | 17 (9.5%) |
| College graduation | 5 (2.8%) |
| Marital status, n (%) | |
| Married | 135 (75.4%) |
| Widowed/Divorceda | 44(24.6%) |
| Hair cortisolb, Median (IQR) | 7.76 (4.48–12.35) |
| Perceived stress scale, Median (IQR) | 10 (7–15) |
| Emotional closeness, Median (IQR) | 3.75 (3.25–4) |
| Network size (0–6), Median (IQR) | 4 (3–5) |
| CESDc, Median (IQR) | 6 (2–11) |
| MMSEd, Median (IQR) | 26 (24–28) |
| BMIe, Mean (SD) | 24.26 (3.37) |
| Current Smoking, n (%) | 11 (6.1%) |
| Regular alcohol drinkingf, n (%) | 30 (16.8%) |
| Sleep quality, Median (IQR) | 1 (0–3) |
a
Widowed = 43; Divorce = 1.
b
Unit = ng/μg.
c
Center for Epidemiologic Studies Depression scale.
d
Mini-Mental Status Examination for Dementia Screening.
e
Body mass index (kg/m2); from a subset (n = 127) of participants.
f
Drink alcohol more than once a week.