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Table 2 Demographic characteristics of participants (N = 196)

From: Prevalence and predictors of work-related musculoskeletal disorders among workers of a gold mine in south Kivu, Democratic Republic of Congo

Characteristic Category n Summary measure
Age in years <  30 37 18.9%
30–34 54 27.6%
35–39 48 24.5%
≥ 40 57 29.1%
Mean (SD)   36.3 (7.9)
Sex Males 187 95.4%
Females 9 4.6%
Department Engineering 32 16.3%
Maintenance 34 17.4%
Metallurgy 34 17.4%
Mining 30 15.3%
Mineral Resources Management 33 16.8%
Others 33 16.8%
Education level Primary 17 8.8%
Secondary 83 42.8%
Tertiary 94 48.5%
Working experience (years) 1–5 142 72.4%
>  5 54 27.6%
Mean (SD)   4.1 (2.0)
Work shifts in hours   ≤ 9 h 33 16.8%
  > 9 h 163 83.2%
 Mean (SD)   11.2 (1.4)
Reported MSDs occurring in last 12 months Reported MSD symptom 120 61.2%
Did not report any MSD 76 38.8%
Reported as work-related MSD 49 25.0%
  1. MSD musculoskeletal disorder