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Table 4 Association between demographic and life style factors and reporting of NSP and LBP in the past 12 months

From: Neck/shoulder pain and low back pain among school teachers in China, prevalence and risk factors

Factors NSP LBP
OR (95% CI) OR (95% CI)
Gender   
  Male 1 1
  Female 1.44 (1.10-1.90)* 1.27 (0.96-1.68)
Age (yrs)   
  19-29 1 1
  30-39 1.00 (0.59-1.64) 1.02 (0.61-1.70)
  40-49 1.25 (0.45-3.52) 1.14 (0.41-3.20)
  ≥50 0.77 (0.14-4.15) 0.63 (0.12-3.41)
Body mass index (kg/m2)   
  ≤23.9 1 1
  2 4-27.9 0.83 (0.56-1.24) 1.12 (0.75-1.67)
  ≥28 1.18 (0.42-3.34) 3.35 (1.05-10.72)*
Smoking   
  Never or seldom smoked 1 1
  Current or past smoker 1.00 (0.61-1.59) 0.93 (0.58-1.51)
Hours of physical exercise per week (h)
  <7 1 1
  ≥7 0.46 (0.32-0.67)* 0.54 (0.38-0.78)*
Hours of doing housework per week (h)
  <20 1 1
  ≥20 1.39 (1.00-2.00) 1.16 (0.81-1.66)
  1. All OR are adjusted for age as a continuous variable and gender.
  2. *Wald test, p < 0.05.