Table 3

Association of low back pain and neck/shoulder/arm pain with demographic variables in ward nurses (n=314)

Dependent variables Independent variables RR 95% CI
Low back painWorkplace3-150 1.080.85 to 1.36
Duration of employment in present ward (y)0.990.96 to 1.03
Age (y)0.980.82 to 1.18
Height (cm)1.070.86 to 1.33
BMI (kg/m2)1.020.97 to 1.07
Marital state3-151 1.100.80 to 1.50
Neck, shoulder, or
arm pain		Workplace3-150 1.040.82 to 1.3
Duration of employment in present ward (y)0.990.96 to 1.03
Age (y)0.970.81 to 1.16
Height (cm)0.960.77 to 1.20
BMI (kg/m2)1.020.96 to 1.07
Marital state3-151 1.100.80 to 1.51

  • RRs (95% CIs) were calculated by the Cox's model. RRs were calculated by postulating the differences of 10 years for age and 10 cm for height.

  • ↵3-150 Workplace: 0=internal medical wards, 1=surgical wards.

  • ↵3-151 Marital state: 0=unmarried, 1=married.