4.
“颈-肩-上背-下背”多部位WMSDs影响因素多分类Logistic回归分析
Multinomial Logistic regression analysis of influencing factors of multi-site WMSDs in “neck-should-upper back-lower back”
| Variables | OR (95%CI) | ||
| 1-2 site(s) with WMSDs | 3-4 sites with WMSDs | ||
| WMSDs, work-related musculoskeletal disorders; Factory A, an electrical equipment manufacturing plant; Factory B, an automobile factory; Factory C, a shipyard; Factory D, a steel machinery manufacturing plant. * P<0.05; # P<0.01. | |||
| Gender | |||
| Male | 1.00 | 1.00 | |
| Female | 1.41 (1.19, 1.69)# | 2.86 (2.38, 3.33) # | |
| Education level | |||
| ≤Middle school | 1.00 | 1.00 | |
| High school | 1.27 (1.07, 1.50)# | 1.26 (1.06, 1.50) * | |
| ≥College/University | 1.39 (1.14, 1.70) # | 1.47 (1.19, 1.80) # | |
| Job tenure | |||
| <5 years | 1.00 | 1.00 | |
| 5 years- | 1.18 (0.98, 1.41) | 1.45 (1.20, 1.74) # | |
| 10 years- | 1.36 (1.12, 1.66) # | 1.71 (1.39, 2.09) # | |
| 15 years- | 1.55 (1.24, 1.93) # | 1.87 (1.49, 2.34)# | |
| 20 years- | 1.38 (1.14, 1.67) # | 1.80 (1.48, 2.19)# | |
| Factory | |||
| A | 1.00 | 1.00 | |
| B | 0.65 (0.55, 0.78)# | 0.70 (0.58, 0.84) # | |
| C | 0.64 (0.53, 0.78)# | 0.71 (0.58, 0.87) # | |
| D | 0.77 (0.58, 1.02) | 0.91 (0.68, 1.21) | |
| Often lifting in uncomfortable position | 0.89 (0.76, 1.04) | 1.34 (1.14, 1.57) # | |
| Exerting great force with arms or hands | 1.33 (1.14, 1.55)# | 1.31 (1.12, 1.54) # | |
| Often bending neck forward or holding neck forward for long periods | 1.23 (1.08, 1.41)# | 2.15 (1.86, 2.48) # | |
| Often twisting neck or holding neck in twisted position for long periods | 1.25 (1.07, 1.47) # | 1.64 (1.40, 1.92)# | |
| Often twisting slightly with trunk | 0.78 (0.69, 0.90) # | 0.83 (0.72, 0.96) # | |
| Often twisting heavily with trunk | 1.14 (0.98, 1.33) | 1.40 (1.20, 1.64) # | |
| Often standing for long periods at work | 0.99 (0.84, 1.15) | 0.77 (0.65, 0.91) # | |
| Often working overtime | 1.26 (1.10, 1.45) # | 1.38 (1.20, 1.60) # | |
| Doing the same work almost everyday | 1.30 (1.10, 1.53) # | 1.73 (1.44, 2.08)# | |
| Having sufficient breaks | 0.77 (0.67, 0.88)# | 0.51 (0.44, 0.59) # | |
| Can choose the moment of a break | 1.00 (0.87, 1.16) | 0.81 (0.69, 0.94) # | |
| Short of workers | 1.27 (1.14, 1.45) # | 1.50 (1.31, 1.71) # | |
| Sometimes slipping or falling during work | 1.15 (0.99, 1.33) | 1.40 (1.21, 1.63) # | |