BioMed Research International / 2020 / Article / Tab 1 / Research Article
A Cross-Sectional Epidemiological Survey of Work-Related Musculoskeletal Disorders and Analysis of Its Influencing Factors among Coal Mine Workers in Xinjiang Variables % Gender Male 1,220 92.1 Female 105 7.9 Age (years) <30 171 12.9 30+ 254 19.2 40+ 609 46 50+ 291 22 Years of service <10 402 30.3 10+ 305 23 20+ 618 46.6 Education Junior high school or lower 581 43.8 Senior high school or technical secondary 418 31.5 Junior college 244 18.4 Bachelor’s degree or higher 82 6.2 Type of work Coal miner 231 17.4 Coal caver 26 2 Coal drivage worker 238 18 Anchor worker 11 0.8 Craft worker 26 2 Inspection worker 31 2.3 Ventilation worker 48 3.6 Gangue collector 21 1.6 Electric locomotive driver 26 2 Bell man 38 2.9 Electrical fitter 158 11.9 Plugman 18 1.4 Operator 42 3.2 Blaster 20 1.5 Gas inspector 27 2 Backman 49 3.7 Monitor observer 22 1.7 Loading workman 25 1.9 Others 266 20.1 Shift system Day shift only 490 37 Two shifts 187 14.1 Two shifts with three groups 536 40.5 Three shifts with four groups 112 8.5 Marital status Unmarried 126 9.5 Married 1,156 87.2 Divorced or widowed 43 3.2