Table 1,
Characteristics of 606 MrOS Participants
| Characteristic | Mean (SD), n (%), or Ratio |
|---|---|
| Age, y | 83.9 (3.8) |
| Body mass index (kg/m2) | 27.2 (3.4) |
| Diabetes (no:yes) | 549:103 |
| Race/ethnicity: | |
| White | 545 (89.9 %) |
| Black | 20 (3.3 %) |
| Asian | 22 (3.6 %) |
| Hispanic | 9 (1.5 %) |
| Other race/ethnicity | 10 (1.6 %) |
| Alcohol consumption (drinks/wk): | |
| Non-drinker | 238 (39.3 %) |
| <1 | 69 (11.4 %) |
| 1–2 | 68 (11.2 %) |
| 3–5 | 92 (15.2 %) |
| 6–13 | 111 (18.3 %) |
| 14+ | 26 (4.3 %) |
| Physical activity score | 125.5 (65.3) |
| Antidepressant use (no:yes) | 554:52 |
| Benzodiazepine use (no:yes) | 592:14 |
| Sleep quality (range: 0–21) | 5.2 (3.0) |
| Activity acrophase | 13.2 (1.6) |
| Sleep regularity (pseudo-F-statistic) | 951.1 (476.0) |
| Alpha diversity: | |
| Richness | 213.9 (71.8) |
| Shannon Diversity Index | 5.07 (0.8) |
| Evenness | 0.66 (0.074) |
| Faith’s phylogenetic diversity | 19.9 (5.7) |