Basic characteristics of subjects
| Characteristics | Total | "Continuously-Employed" | "Employed-Unemployed" | P values |
| Participants, n (%) | 193 (100.0) | 145 (75.1) | 48 (24.9) | |
| Age, n (%) | 0.000*** | |||
| <65 years | 118 (61.1) | 101 (69.7) | 17 (35.4) | |
| ≥65 years | 75 (38.9) | 44 (30.3) | 31 (64.6) | |
| Sex, n (%) | 0.001** | |||
| Male | 163 (84.5) | 130 (89.7) | 33 (68.8) | |
| Female | 30 (15.5) | 15 (10.3) | 15 (31.2) | |
| Education, n (%) | 0.303 | |||
| None | 13 (6.7) | 8 (5.5) | 5 (10.4) | |
| Primary education | 20 (10.4) | 12 (8.3) | 8 (16.7) | |
| Middle school education | 31 (16.1) | 23 (15.9) | 8 (16.7) | |
| High school education | 69 (35.8) | 55 (37.9) | 14 (29.2) | |
| University education | 60 (31.1) | 47 (32.4) | 13 (27.1) | |
| Marital status, n (%) | 0.002* | |||
| Married | 178 (92.2) | 136 (93.8) | 42 (87.5) | |
| Widowed or divorced | 12 (6.2) | 6 (4.2) | 6 (12.5) | |
| Never married | 3 (1.6) | 3 (2.1) | 0 (0.0) | |
| Religion, n (%) | 0.516 | |||
| None | 89 (46.1) | 67 (46.2) | 22 (45.8) | |
| Buddhism | 48 (24.9) | 33 (22.8) | 15 (31.2) | |
| Christianity | 47 (24.4) | 37 (25.5) | 10 (20.8) | |
| Catholic | 9 (4.4) | 8 (5.5) | 1 (2.1) | |
| Smoking, n (%) | 0.991 | |||
| Yes | 14 (7.3) | 10 (6.9) | 4 (8.3) | |
| No | 179 (92.7) | 135 (93.1) | 44 (91.7) | |
| Alcohol consumption, n (%) | 0.934 | |||
| Yes | 39 (20.2) | 30 (20.7) | 9 (18.8) | |
| No | 154 (79.8) | 115 (79.3) | 39 (81.2) |
*p<0.01, **p<0.001, ***p<0.0001 when compared with the "Employed-Unemployed" group.