Pain Research and Management / 2021 / Article / Tab 1

Research Article

Factors Influencing Job Burnout and Musculoskeletal Disorders among Coal Miners in the Xinjiang Uygur Autonomous Region

Table 1

The relationship between individual factors and WMSDs.

VariableGroupsN (%)WMSDsχ2OR (95% CI)
Sick (%)Not sick (%)

GenderMale1220 (92.1)795 (65.2)425 (34.8)1.2090.2721
Female105 (7.9)74 (70.5)31 (29.5)1.276 (0.826–1.973)

EthnicityHan Chinese1199 (90.5)785 (65.5)414 (35.5)0.0720.7881
Minorities126 (9.50)84 (66.7)42 (33.3)1.055 (0.715–1.556)

Age (years)18∼30171 (12.9)102 (59.6)69 (40.4)6.3410.0961
30∼39254 (19.2)160 (63.0)94 (37.0)1.235 (0.837–1.821)
40∼49609 (46.0)419 (68.8)190 (31.2)1.072 (0.756–1.522)
50∼60291 (22.0)188 (64.6)103 (35.4)0.828 (0.616–1.112)

Length of service (years)1∼10490 (36.98)292 (59.6)198 (40.4)14.4930.0011
11∼20277 (20.91)182 (65.7)95 (34.3)1.643 (1.271–2.124)
≥21558 (42.11)395 (70.8)163 (29.2)1.265 (0.930–1.721)

EducationJunior high school and below581 (43.8)371 (63.9)210 (36.1)1.3720.5041
High school418 (31.5)280 (67.0)138 (33)1.143 (0.858–1.521)
Bachelor and college degree and above326 (24.6)218 (66.9)108 (33.1)0.995 (0.731–1.353)

Type of workCoal miners258 (19.47)183 (70.9)75 (29.1)11.4380.0221
Excavate miners316 (23.85)185 (58.5)131 (41.5)0.795 (0.560–1.128)
Transport miners54 (4.08)39 (72.2)15 (27.8)1.373 (1.001–1.885)
Special miners356 (26.87)237 (66.6)119 (33.4)0.746 (0.395–1.409)
Assist miners341 (25.74)225 (66.0)116 (34.0)0.974 (0.711–1.333)

Shift systemDay shift490 (36.98)330 (67.3)160 (32.7)6.4620.0401
Two shifts187 (14.11)134 (71.7)53 (28.3)0.808 (0.631–1.034)
More than two shifts648 (48.91)405 (62.5)243 (37.5)0.659 (0.873–0.941)

Marital statusSingle126 (9.51)79 (62.7)47 (37.3)3.1380.2081
Married1066 (80.45)694 (65.1)372 (34.9)1.544 (0.914–2.606)
Divorced/separated133 (10.04)96 (72.2)37 (27.8)1.139 (0.933–2.074)

Annual income (yuan)15000∼700001136 (85.74)760 (66.9)376 (33.1)6.3150.0431.521 (1.090–2.124)
70000∼100000163 (12.30)93 (57.1)70 (42.9)1
100000 more than26 (1.96)16 (61.5)10 (38.5)1.263 (0.568–2.811)

N: number; OR: odds ratio; CI: confidence interval;; ; . Bold P values < 0.05 are statistically significant.