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Table 6 Multivariate model for association between 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

  NSP LBP
Factors OR (95% CI) OR (95% CI)
Female gender 1.84 (1.25-2.71)* 1.41 (0.97-2.07)
Physical exercise per week (h) ≥7 h 0.55 (0.35-0.86)* 0.71 (0.46-1.09)
School level   
  Primary school 1 1
  Secondary school 0.96 (0.60-1.54) 0.68 (0.42-1.08)
  High school 2.35 (1.43-3.85)* 2.01 (1.24-3.27)*
Hours of lessons per week (h) ≥14 h 1.21 (0.83-1.76) 1.05 (0.72-1.52)
Hours of working with computer per day (h) ≥4 h 1.02 (0.63-1.65) 0.71 (0.44-1.14)
Prolonged standing 1.74 (1.03-2.95)* 1.48 (0.88-2.50)
Prolonged sitting 1.76 (1.23-2.52)* 1.42 (1.01-2.02)*
Prolonged static posture 2.25 (1.56-3.24)* 1.60 (1.11-2.31)*
Working with hands above shoulder 1.21 (0.86-1.71) 1.27 (0.90-1.79)
Holding the neck in a forward bent posture for a long time 1.12 (0.77-1.63) 1.32 (0.91-1.91)
Have enough rest time 1.42 (0.98-2.04) 1.08 (0.76-1.55)
Posture characterized by twisting 1.16 (0.77-1.73) 1.93 (1.30-2.87)*
Uncomfortable back support 1.77 (1.32-2.55)* 1.62 (1.13-2.32)*
  1. All OR are mutually adjusted and adjusted for age as a continuous variable and gender.
  2. *Wald test, p < 0.05.