From: Occupational Factors Associated with Changes in the Body Mass Index of Korean Male Manual Workers
Variables | 5 years or less* | More than 5 years* | |||
---|---|---|---|---|---|
No(%) | BMI change † | No(%) | BMI change † | ||
Working hours | ≤ 9 hours | 44(29.1) | 0.29 ± 1.04 | 36(24.3) | 0.31 ± 0.85 |
> 9 hours, < 12 hours | 74(49.0) | 0.33 ± 1.07 | 78(52.7) | 0.21 ± 1.09 | |
≥ 12 hours | 33(21.9) | 0.71 ± 1.02 | 34(23.0) | 0.37 ± 1.05 | |
Shift work | No shift work | 114(75.5) | 0.35 ± 0.98 | 90(60.8) | 0.23 ± 1.07 |
Two shifts | 11( 7.3) | 0.50 ± 1.24 | 19(12.8) | 0.29 ± 0.84 | |
Three shifts | 26(17.2) | 0.58 ± 1.30 | 39(26.4) | 0.36 ± 1.02 | |
Sitting time (% of workday) | 0-24% | 26(17.2) | 0.43 ± 1.20 | 33(22.3) | 0.37 ± 0.93 |
25-49% | 50(33.1) | 0.38 ± 0.92 | 54(36.5) | 0.04 ± 1.08 | |
50-74% | 47(31.1) | 0.25 ± 0.89 | 37(25.0) | 0.40 ± 0.92 | |
75-100% | 27(17.9) | 0.74 ± 1.35 | 24(16.2) | 0.45 ± 1.14 | |
Job stress | |||||
Job demand | Low | 84(55.6) | 0.45 ± 1.16 | 101(68.2) | 0.22 ± 1.01 |
High | 63(41.7) | 0.36 ± 0.93 | 46(31.1) | 0.42 ± 1.04 | |
Insufficient job control | Low | 102(67.5) | 0.56 ± 1.06 | 102(68.9) | 0.25 ± 0.96 |
High | 45(29.8) | 0.10 ± 1.03 | 45(30.4) | 0.34 ± 1.16 | |
Inadequate social support | Low | 100(66.2) | 0.46 ± 1.10 | 107(72.3) | 0.18 ± 1.03 |
High | 46(30.5) | 0.31 ± 1.00 | 40(27.0) | 0.55 ± 0.96 | |
Job insecurity | Low | 110(72.8) | 0.39 ± 1.10 | 113(76.4) | 0.23 ± 0.96 |
High | 36(23.8) | 0.49 ± 0.97 | 33(22.3) | 0.44 ± 1.21 | |
Organizational injustice | Low | 105(69.5) | 0.43 ± 1.10 | 109(73.6) | 0.17 ± 0.98 |
High | 41(27.2) | 0.36 ± 1.00 | 37(25.0) | 0.60 ± 1.07 | |
Lack of reward | Low | 102(67.5) | 0.57 ± 1.13 | 97(65.5) | 0.15 ± 0.98 |
High | 45(29.8) | 0.07 ± 0.82 | 50(33.8) | 0.53 ± 1.06 | |
Poor occupational climate | Low | 76(50.3) | 0.45 ± 1.21 | 85(57.4) | 0.24 ± 0.95 |
High | 70(46.4) | 0.37 ± 0.89 | 61(41.2) | 0.33 ± 1.12 |