Table 1. Characteristics of age, employment type, job category, and work pattern.
| Men (n=4,448) | Women (n=2,358) | Total (n=6,806) | |||||
|---|---|---|---|---|---|---|---|
| N | (%)a | N | (%) | N | (%) | ||
| Age (yr) | |||||||
| ≤29 | 988 | (22.2) | 887 | (37.6) | 1,875 | (27.5) | |
| 30–39 | 1,751 | (39.4) | 662 | (28.1) | 2,413 | (35.5) | |
| 40–49 | 1,160 | (26.1) | 453 | (19.2) | 1,613 | (23.7) | |
| ≥50 | 549 | (12.3) | 356 | (15.1) | 905 | (13.3) | |
| M ± SD | 37.6 ± 9.9 | 36.0 ± 11.4 | 37.05 ± 10.5 | ||||
| Employment type | |||||||
| Full-time employee | 4,130 | (92.9) | 1,610 | (68.3) | 5,740 | (84.3) | |
| Contract employee | 125 | (2.8) | 209 | (8.9) | 334 | (4.9) | |
| Fixed-term employee | 67 | (1.5) | 11 | (0.5) | 78 | (1.1) | |
| Temporary staff | 2 | (0.0) | 6 | (0.3) | 8 | (0.1) | |
| Part-timer | 89 | (2.0) | 341 | (14.5) | 430 | (6.3) | |
| Others | 35 | (0.8) | 181 | (7.7) | 216 | (3.2) | |
| Job category | |||||||
| Manager | 1,242 | (27.9) | 89 | (3.8) | 1,331 | (19.6) | |
| Ordinaly employee | 3,206 | (72.1) | 2,269 | (96.2) | 5,475 | (80.4) | |
| Work pattern | |||||||
| Daytime, fixed time | 3,603 | (81.0) | 1,747 | (74.1) | 5,350 | (78.6) | |
| Variable work hours | 495 | (11.1) | 355 | (15.1) | 850 | (12.5) | |
| Daytime, flexible-hours system | 155 | (3.5) | 34 | (1.4) | 189 | (2.8) | |
| Discretionary labor system | 32 | (0.7) | 8 | (0.3) | 40 | (0.6) | |
| 2-shift system (with night shift) | 40 | (0.9) | 54 | (2.3) | 94 | (1.4) | |
| 2-shift system (without night shift) | 17 | (0.4) | 32 | (1.4) | 49 | (0.7) | |
| 3-shift system | 31 | (0.7) | 46 | (2.0) | 77 | (1.1) | |
| Only evening shift | 4 | (0.1) | 4 | (0.2) | 8 | (0.1) | |
| Only night shift | 10 | (0.2) | 7 | (0.3) | 17 | (0.2) | |
| Others | 61 | (1.4) | 71 | (3.0) | 132 | (1.9) | |
a: Figures do not always add up to 100% due to rounding data. >M: mean; SD: standard deviation.