Table 5 Association between work characteristics and occupational 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) | |
Years in current job (yrs) | Â | Â |
  1-9 | 1 | 1 |
  10-19 | 1.02 (0.66-1.59) | 0.81 (0.52-1.27) |
  20-29 | 0.79 (0.35-1.80) | 0.56 (0.25-1.27) |
  ≥30 | 1.17 (0.33-4.11) | 0.66 (0.19-2.32) |
School level | Â | Â |
  Primary school | 1 | 1 |
  Secondary school | 0.61 (0.42-0.89)* | 0.57 (0.39-0.83)* |
  High school | 2.48 (1.71-3.59)* | 2.22 (1.54-3.20)* |
Work hours per week (h) | Â | Â |
  ≤40 | 1 | 1 |
  >40 | 1.26 (0.95-1.67) | 0.96 (0.72-1.27) |
Hours of lessons per week (h) | Â | Â |
  <14 | 1 | 1 |
  ≥14 | 1.95 (1.46-2.60)* | 1.73 (1.31-2.30)* |
Hours of working with computer per day (h) | Â | Â |
  <4 | 1 | 1 |
  ≥4 | 1.82 (1.25-2.66)* | 1.13 (0.91-1.91) |
Prolonged standing | Â | Â |
  No | 1 | 1 |
  Yes | 2.23 (1.48-3.78)* | 1.88 (1.25-2.84)* |
Prolonged sitting | Â | Â |
  No | 1 | 1 |
  Yes | 1.78 (1.36-2.34)* | 1.60 (1.22-2.10)* |
Prolonged static posture | Â | Â |
  No | 1 | 1 |
  Yes | 3.20 (2.42-4.24)* | 2.58 (1.96-3.42)* |
Working with hands above shoulder | Â | Â |
  No | 1 | 1 |
  Yes | 1.55 (1.18-2.03)* | 1.62 (1.23-2.13)* |
Lifting of weight with hand ≥20 kg |  |  |
  No | 1 | 1 |
  Yes | 1.07 (0.66-1.74) | 1.40 (0.86-2.27) |
Holding the neck in a forward bent posture for a long time | Â | |
  No | 1 | 1 |
  Yes | 2.18 (1.66-2.87)* | 2.33 (1.77-3.07)* |
Have enough rest time | Â | Â |
  No | 1 | 1 |
  Yes | 0.82 (0.63-1.08) | 0.68 (0.52-0.90)* |
Posture characterized by twisting | Â | Â |
  No | 1 | 1 |
  Yes | 1.94 (1.41-2.69)* | 2.53 (1.83-3.52)* |
Uncomfortable back support | Â | Â |
  No | 1 | 1 |
  Yes | 2.60 (1.98-3.46)* | 2.64 (2.00-3.50)* |