Table 2.
Characteristics of participants in each group.
| Variables | (1) Less than once/week (n = 515) | (2) Once or twice/week (n = 56) | (3) More than 3 times/week (n = 750) | Average P-value of multiple imputed datasets (range of the values) |
|---|---|---|---|---|
| Age | 49.2 ± 9.1 | 49.3 ± 9.1 | 52.0 ± 9.6 | <0.001 (<0.001) |
| Sex | ||||
| Male | 159 (30.9) | 35 (62.3) | 226 (30.1) | <0.001 (<0.001) |
| Female | 356 (69.1) | 21 (37.7) | 524 (69.9) | |
| Body mass index, kg/m2 | 22.6 ± 4.0 | 23.2 ± 2.9 | 23.4 ± 3.7 | 0.002 (<0.001–0.008) |
| Educational level | ||||
| ≦Senior high school | 133 (25.8) | 4 (7.9) | 241 (32.1) | <0.001 (<0.001) |
| ≧College/junior college | 382 (74.2) | 52 (92.1) | 509 (67.9) | |
| Economic status | ||||
| Very poor | 21 (4.1) | 2 (3.7) | 34 (4.5) | 0.270 (0.113–0.422) |
| Poor | 146 (28.4) | 13 (22.5) | 168 (22.4) | |
| Good | 321 (62.3) | 38 (67.9) | 495 (65.9) | |
| Very good | 27 (5.2) | 3 (5.9) | 54 (7.2) | |
| Marital status | ||||
| Married | 306 (59.4) | 39 (70.1) | 498 (66.3) | 0.029 (0.009–0.053) |
| Unmarried | 209 (40.6) | 17 (29.9) | 253 (33.7) | |
| Daily alcohol consumption | ||||
| Never | 108 (21.0) | 5 (9.7) | 141 (18.8) | 0.032 (0.011–0.074) |
| <23.0 g | 324 (63.0) | 35 (62.4) | 449 (59.8) | |
| ≧23.0 g | 82 (15.9) | 16 (27.9) | 160 (21.4) | |
| Smoking status | ||||
| Not smoke | 434 (84.2) | 42 (74.2) | 607 (80.9) | 0.101 (0.038–0.188) |
| Smoke | 81 (15.8) | 14 (25.8) | 143 (19.1) | |
| Sleep quality | ||||
| Very bad | 39 (7.6) | 2 (3.8) | 51 (6.8) | 0.168 (0.102–0.273) |
| Bad | 232 (45.0) | 26 (47.0) | 287 (38.2) | |
| Good | 211 (40.9) | 25 (43.9) | 348 (46.3) | |
| Very good | 34 (6.5) | 3 (5.4) | 65 (8.6) | |
| Job type | ||||
| Administrative | 82 (15.8) | 14 (25.6) | 123 (16.5) | <0.001 (<0.001) |
| Office clerk | 273 (53.1) | 16 (27.8) | 232 (30.9) | |
| Professional | 87 (16.8) | 10 (18.7) | 18 (2.3) | |
| Service or sales | 59 (11.5) | 14 (25.5) | 363 (48.4) | |
| Others | 14 (2.7) | 1 (2.4) | 15 (2.0) | |
| Hiring status | ||||
| Regular employee | 391 (75.9) | 47 (84.2) | 640 (85.3) | <0.001 (<0.001–0.001) |
| Others | 124 (24.1) | 9 (15.8) | 111 (14.7) | |
| Average overtime working hours | ||||
| Not applicable | 27 (5.2) | 5 (9.5) | 115 (15.3) | <0.001 (<0.001) |
| 0–5 h/week | 269 (52.2) | 22 (39.4) | 312 (41.5) | |
| 5–10 h/week | 102 (19.8) | 7 (12.1) | 144 (19.2) | |
| ≧10 h/week | 118 (22.8) | 22 (39.1) | 180 (24.0) | |
| Physical activity, min/day | 332.9 ± 92.5 | 307.7 ± 95.1 | 348.8 ± 89.7 | 0.001 (<0.001–0.005) |
| Sitting time, min/day | 541.7 ± 105.2 | 559.2 ± 130.3 | 530.4 ± 110.0 | 0.066 (0.006–0.285) |
| Work engagement | ||||
| ≦8 point | 288 (55.9) | 21 (37.5) | 284 (37.9) | <0.001 (<0.001) |
| ≧9 point | 227 (44.1) | 35 (62.5) | 466 (62.1) | |
| K6 | ||||
| ≦4 point | 350 (68.0) | 41 (73.6) | 557 (74.3) | <0.048 (0.017–0.086) |
| ≧5 point | 165 (32.0) | 15 (26.4) | 193 (25.7) | |