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 | Â | Â |
  Male | 1 | 1 |
  Female | 1.44 (1.10-1.90)* | 1.27 (0.96-1.68) |
Age (yrs) | Â | Â |
  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) | Â | Â |
  ≤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 | Â | Â |
  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) |