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Table 4 Association between WMSD and selected demographic and cardiopulmonary variables 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-statistics (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)
Age (years) 23.67 (0.250) 32.31 (0.149) 41.70 (0.003)* 23.17 (0.560) 36.00 (0.020)* 50.00 (0.002)*
Gender 0.04 (0.616) 5.53 (0.027)* 7.39 (0.008)* 1.52 (0.240) 8.00 (0.006)* 5.36 (0.160)
Height (m) 7.91 (0.849) 10.15 (0.602) 27.16 (0.012)* 10.97 (0.530) 25.00 (0.020)* 1.66 (1.000)
Weight (kg) 24.54 (0.268) 14.98 (0.777) 22.41 (0.376) 19.2 (0.500) 22.27 (0.380) 11.73 (0.930)
BMI 41.69 (0.571) 34.44 (0.678) 47.99 (0.314) 35.79 (0.617) 47.97 (0.310) 24.49 (0.960)
SBP (mmHg) 5.70 (0.457) 4.89 (0.769) 9.47 (0.149) 8.46 (0.389) 9.27 (0.159) 1.81 (0.986)
DBP (mmHg) 20.79 (0.004)* 7.27 (0.122) 12.60 (0.082) 0.93 (0.920) 15.10 (0.030)* 1.29 (0.862)
RR (cpm) 13.71 (0.057) 8.02 (0.331) 15.85 (0.027)* 2.91 (0.89) 14.40 (0.040)* 2.62 (0.917)
RHR (bpm) 3.41 (0.992) 10.26 (0.507) 14.22 (0.287) 11.16 (0.430) 14.04 (0.290) 2.90 (0.990)
  1. DGW Domestic Gas Workers, SWD Staff of Works Department, BMI Body Mass Index, SBP Systolic Blood Pressure, DBP Diastolic Blood Pressure, RR Respiratory Rate, RHR Resting Heart Rate
  2. * = significant (2-tailed) test at p < 0.05