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Table 4 Multivariable analysis of selected risk factors for activity-limiting foot/ankle MSDs among hospital-based nurses in Brisbane, Australia (n = 240)

From: Prevalence and risk factors for foot and ankle musculoskeletal disorders experienced by nurses

Risk factor n % OR CI (95%) Sig.
Nurse characteristics      
Age (years)      
  <30 66 27.5 Referent   0.79
  30-39 90 37.5 0.71 (0.25, 2.04) 0.53
  40-49 62 25.8 0.52 (0.14, 1.86) 0.31
  50+ 22 9.2 0.76 (0.18, 3.27) 0.71
BMI 1 (kg/m 2 )      
  Underweight/normal 128 53.3 Referent   0.01*
  Overweight 70 29.2 1.46 (0.52, 4.09) 0.47
  Obese/morbidly obese 42 17.5 4.74 (1.70, 13.23) <0.001*
SF-36 PCS 2      
  Quartile 4 (>55.96) 63 26.3 Referent   0.02*
  Quartile 3 (51.96-55.95) 60 25.0 1.21 (0.28, 5.2) 0.80
  Quartile 2 (48–51.95) 60 25.0 2.76 (0.76, 9.98) 0.12
  Quartile 1 (0–47.99) 57 23.8 6.05 (1.64, 22.38) 0.01*
  Foot condition - Total      
  None 82 34.2 Referent   0.01*
  One 87 36.3 2.36 (0.72, 7.77) 0.16
  Two or more 71 29.6 5.59 (1.75, 17.81) <0.001*
Work characteristics      
Location      
  Ward/Pool3/TASU4/Other5 112 46.7 Referent   0.08
  Emergency 31 12.9 0.76 (0.19, 3.12) 0.70
  Intensive care 35 14.6 3.87 (1.23, 12.12) 0.02*
  Theatre/Outpatients/Gastro6/DPC7 62 25.8 2.05 (0.71, 5.95) 0.18
Average hours worked per week      
  <36 111 46.3 Referent   
  > = 36 129 53.8 2.28 (0.91, 5.71) 0.08
  1. 1Body mass index categories (WHO guidelines: underweight/normal (<24.99), overweight (25–29.99), obese (>30.00).
  2. 2SF36 (Acute Version) Physical Component Summary Scale.
  3. 3Nursing Pool – Nurses allocated to different work areas each shift to cover workload demands.
  4. 4Theatre Admission Supply Unit.
  5. 5Other – includes administration, Central Sterilising.
  6. 6Gastroenterology outpatients.
  7. 7Day procedures centre.
  8. *statistically significant.