Table 2.
Characteristics of subjects (n = 2,666)
| n (%) | n (%) | ||
|---|---|---|---|
| Age (mean ± SD = 60.0 ± 10.9) | Marital status | ||
| 40–49 | 572 (21.5) | Unmarried | 180 (6.8) |
| 50–59 | 694 (26.0) | Married | 2,056 (77.1) |
| 60–69 | 789 (29.6) | Separated/divorced/bereaved | 363 (13.6) |
| 70–79 | 611 (22.9) | Smoking status | |
| Sex | Never | 1,790 (67.1) | |
| Male | 1,264 (47.4) | Past | 180 (6.8) |
| Female | 1,402 (52.6) | Current | 574 (21.5) |
| BMI (kg/m2) | Alcohol drinking | ||
| <18 | 129 (4.8) | Hardly ever or never | 1,441 (54.1) |
| ≥18, <22 | 988 (37.1) | Sometimes | 469 (17.6) |
| ≥22, <25 | 916 (34.4) | Almost every day | 683 (25.6) |
| ≥25, <30 | 458 (17.2) | Exercise habit | |
| ≥30 | 175 (6.6) | No | 1,300 (48.8) |
| Number of comorbidities | Yes | 1,253 (47.0) | |
| 0 | 984 (36.9) | Occupation | |
| 1 | 713 (26.7) | No | 1,536 (57.6) |
| 2≤ | 969 (36.4) | Yes | 1,067 (40.0) |
| Educational level | Perceived Stress (JPSS) | ||
| Elementary-high school | 1,191 (44.7) | Low (<18) | 815 (30.6) |
| Professional school, Junior college | 327 (12.3) | Moderate (18–22) | 756 (28.4) |
| University or above | 360 (13.5) | Severe (≥23) | 1,095 (41.1) |
| Household income (JPY) | Depressive symptoms (MHI-5) | ||
| <3,000,000 | 645 (24.2) | None (≥68) | 1,635 (61.3) |
| 3,000,000≤, <5,000,000 | 665 (24.9) | Low (60–67) | 424 (15.9) |
| 5,000,000≤, <7,000,000 | 461 (17.3) | Moderate (52–59) | 168 (6.3) |
| 7,000,000≤ | 633 (23.7) | Severe (<52) | 380 (14.3) |
SD Standard deviation, BMI body mass index, JPY Japanese yen, JPS Japanese Perceived Stress Scale, MHI-5 Mental Health Inventory-5