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Table 3 Multivariable analysis of knees MSDs

From: Prevalence and associated factors of musculoskeletal disorders among Chinese healthcare professionals working in tertiary hospitals: a cross-sectional study

Factors Knees
P OR (95% C.I.)
Age 0.021 2.052 (1.008–4.181)
BMI
 18.5~23.9 (Healthy weight)   
 < 18.5 (Underweight) 0.316 0.532 (0.255–1.112)
 24.0~27.9 (Overweight) 0.225 1.766 (0.891–3.501)
  ≥ 28.0 (Obese) < 0.001 2.502 (1.193–5.248)
Work hours per week < 0.001 2.351 (1.303–4.242)
Break times during workday
 No rest Reference
 Once or twice 0.213 0.598 (0.321–1.112)
 Over twice < 0.001 0.461 (0.312–0.681)
Walking for long periods of time < 0.001 3.206 (1.608–6.391)
Standing for long periods of time < 0.001 2.504 (1.206–5.202)
Mental stress
 Low Reference
 Medium 0.241 1.902 (0.699–5.179)
 High < 0.001 2.351 (1.303–4.242)
Psychological fatigue
 Low Reference
 Medium 0.058 1.906 (0.983–3.697)
 High < 0.001 2.604 (1.458–4.651)
Employment status (1 = temporary/contract, 0 = permanent) < 0.001 4.821 (2.232–10.415)
  1. MSDs musculoskeletal disorders, OR odds ratio, C.I. confidence interval