A Cross-Sectional Epidemiological Survey of Work-Related Musculoskeletal Disorders and Analysis of Its Influencing Factors among Coal Mine Workers in Xinjiang
Table 5
Multivariate logistic regression analysis of prevalence of MSD last year of coal mine workers.
Variables
Variable assignment
Wald
OR
95% CI
Upper limit
Lower limit
Shift system
Day shift only
25.635
<0.001
1
Two shifts
0.092
0.427
0.514
1.096
0.832
1.445
Two shifts with three groups
-0.437
3.294
0.070
0.646
0.403
1.306
Three shifts with four groups
0.811
17.294
<0.001
2.271
1.543
3.342
Years of services
<10
31.662
0.01
1
10+
1.306
33.332
0.000
3.690
2.369
5.748
20+
1.101
8.251
0.004
3.008
1.419
6.377
Significant bending
0.724
13.395
<0.001
2.062
1.400
3.038
Forward neck tilting
0.565
5.657
0.017
1.572
1.071
2.281
Maximum force operation within a short period of time
0.543
7.398
0.007
1.7222
1.164
2.547
Repeated movement of upper arms or fingers
0.402
4.575
0.032
1.495
1.034
2.161
Slip or fall incidents
0.117
8.475
0.004
1.124
1.039
1.216
Work under conditions of cold or temperature variations
