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Table 5 Association between WMSD and selected work-related risk factors among Domestic Gas Workers and Staff of Works Department (n = 100)

From: Prevalence of work-related musculoskeletal symptoms and associated risk factors among domestic gas workers and staff of works department in Enugu, Nigeria: a cross-sectional study

Variables χ2-stastistics (p-value)
General WMSD Shoulder WMSD Low Back WMSD
DGW (n = 50) SWD (n = 50) DGW (n = 50) SWD (n = 50) DGW (n = 50) SWD (n = 50)
Daily work duration 21.06 (0.007)* 5.86 (0.050)* 12.24 (0.141) 4.780 (0.090) 13.30 (0.101) 0.26 (0.880)
Break 0.34 (0.737) 0.06 (0.588) 2.26 (0.225) 0.93 (0.440) 2.44 (0.207) 0.14 (0.880)
Sleep duration 11.35 (0.125) 4.65 (0.795) 26.80 (< 0.001)* 4.19 (0.830) 31.3 (< 0.001)* 3.61 (0.890)
Work shift 0.90 (0.454) 0.22 (0.430) 0.14 (0.549) 2.37 (0.130) 0.08 (0.578) 1.66 (0.380)
Work frequency 2.57 (0.277) 9.06 (0.011)* 1.74 (0.499) 9.17 (0.100) 2.97 (0.226) 0.11 (0.940)
Year of service 34.77 (0.070) 20.84 (0.346) 22.10 (0.181) 22.01 (0.280) 22.68 (0.160) 50.0 (< 0.001)*
Lifting training 2.36 (0.036)* 1.67 (0.380) 0.00 (0.543) 7.48 (0.120) 0.05 (0.535) 50.00 (0.020)*
Use of PPE(gloves) 7.64 (0.022)* 1.67 (0.380) 3.80 (0.149) 0.13 (0.880) 3.48 (0.178) 0.02 (0.980)
Exercise status 3.49 (0.067) 0.88 (0.642) 5.51 (0.020)* 0.38 (0.670) 1.69 (1.610) 0.80 (0.670)
  1. DGW Domestic Gas Workers, SWD Staff of Works Department, PPE personal protective equipment
  2. * = significant (2-tailed) test at p < 0.05