A Cross-Sectional Epidemiological Survey of Work-Related Musculoskeletal Disorders and Analysis of Its Influencing Factors among Coal Mine Workers in Xinjiang
Table 4
Factors influencing prevalence of MSD last year.
Variables
Prevalence of MSD last year
OR
95% CI
Upper limit
Lower limit
Gender
0.273
Male
65.20%
1
Female
70.00%
1.276
0.826
1.973
Age (years)
0.097
<30
59.60%
1
30+
63.00%
1.151
0.774
1.714
40+
68.80%
1.492
1.051
2.118
50+
64.60%
1.235
0.837
1.821
Years of service
0.001
<10
58.50%
1
10+
67.20%
1.457
1.068
1.988
20+
69.40%
1.613
1.241
2.096
Education
0.689
Junior high school or lower
63.90%
1
Senior high school or technical secondary
67.00%
1.148
0.881
1.497
Junior college
66.40%
1.118
0.816
1.532
Bachelor’s degree or higher
68.30%
1.219
0.743
2.000
Shift system
0.002
Day shift only
67.30%
1
Two shifts
71.70%
1.226
0.847
1.774
Two shifts with three groups
60.10%
0.730
0.565
0.942
Three shifts with four groups
74.10%
1.338
0.873
2.205
Significant bending
<0.001
No
54.10%
1
Yes
75.10%
2.723
2.141
3.462
Forward neck tilting
<0.001
No
53.10%
1
Yes
76.80%
2.967
2.337
3.767
Maximum force operation within a short period of time
<0.001
No
55.00%
1
Yes
75.30%
2.655
2.088
3.376
Repeated movement of upper arms or fingers
<0.001
No
56.80%
1
Yes
71.90%
1.941
1.538
2.450
Slip or fall incidents
<0.001
No
55.00%
1
Yes
76.20%
2.744
2.155
3.495
Work under conditions of cold or temperature variations
