Work-related musculoskeletal disorders and ergonomic stressors among direct and nondirect contact health care workers from a Nigerian tertiary health facility

Olufemi O Oyewole, Emmanuel A Adeniyi, Babatunde F Ajayi, Adeyemi A Olajitan, Kolawole S Oritogun

African Journal of Medical and Health Sciences 2016 15(1):7-13

Background: Work-related musculoskeletal disorders (WRMDs) among health care workers have increased with little information on ergonomic stressors' exposure. Therefore, the exposure of health care workers to ergonomic stressors and the consequent WRMDs were investigated. Materials and Methods: The descriptive cross-sectional study involved 279 stratified participants from various departments of Olabisi Onabanjo University Teaching Hospital. Standardized Nordic and adapted European Foundation questionnaires were used to obtain data on musculoskeletal pain and ergonomic stressors. The data were analyzed with Statistical Package for the Social Sciences (SPSS) using descriptive and inferential statistics. Results: About 48% of the participants reported WRMDs in at least one part of the body during the 12 months preceding the study while 22.2% reported WRMDs in the last 7days. During the preceding 12 months and the last 7 days, the lower back was the most common site of disorders (29.4% and 9.7%, respectively) while the elbow joint was the least affected site. About 49.7% and 42.7% of the clinical staff and nonclinical staff, respectively, reported WRMDs in the last 12 months while 22.3% versus 22.0% reported WRMDs in the last 7 days. Female participants had a higher prevalence of WRMDs but significant gender difference existed for point prevalence only. A majority of the participants (65.8%) were exposed to 11 or more risk factors. There was a significant association between both 12-month and point prevalences of WRMDs on the one hand and exposure to painful tiring positions on the other. Conclusions: The prevalence of WRMDs was high among health care workers with the lower back being the most frequently affected body region. Work involving painful/tiring positions was the most common ergonomic risk factor associated with WRMDs.

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