Table 2 Association between quartiles of worktime weekly and mental health in the cohort analysis (n = 2,811)
Quartiles of worktime duration weekly (range, n = 2811) | P for trend a | ||||
|---|---|---|---|---|---|
Worktime weekly (hours) | Level 1 (≤ 40) | Level 2 (41–60) | Level 3 (61–80) | Level 4 (≥ 81) | |
Depression | |||||
No. of participants | 998 | 1720 | 16 | 77 | |
No. of depression | 64 | 134 | 6 | 15 | |
Crude model | Reference | 1.23 (0.91, 1.68) b | 8.76 (3.09, 24.86) | 3.53 (1.90, 6.55) | < 0.001 |
Adjusted model 1 c | Reference | 1.23 (0.90, 1.68) | 9.84 (3.45, 28.11) | 1.07 (1.03, 1.11) | < 0.001 |
Adjusted model 2 d | Reference | 0.98 (0.69, 1.40) | 10.58 (2.78, 40.32) | 1.79 (0.81, 3.97) | 0.002 |
Adjusted model 3 e | Reference | 0.85 (0.59, 1.24) | 9.30 (2.33, 37.17) | 1.57 (0.70, 3.54) | 0.003 |
Anxiety | |||||
No. of participants | 998 | 1720 | 16 | 77 | |
No. of anxiety | 55 | 113 | 5 | 16 | |
Crude model | Reference | 1.21 (0.87, 1.68) b | 7.79 (2.62, 23.22) | 4.50 (2.43, 8.31) | < 0.001 |
Adjusted model 1 c | Reference | 1.27 (0.91, 1.78) | 10.52 (3.48, 31.82) | 4.73 (2.54, 8.79) | < 0.001 |
Adjusted model 2 d | Reference | 0.87 (0.59, 1.30) | 8.69 (2.13, 35.46) | 2.67 (1.26, 5.62) | 0.008 |
Adjusted model 3 e | Reference | 0.92 (0.62, 1.37) | 9.61 (2.34, 39.51) | 3.03 (1.42, 6.48) | 0.003 |