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Table 2 Descriptive statistics of individual, life style and work characteristics among female and male teachers

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

Characteristics Women (n = 598) Men (n = 295) Total (n = 893) Pvalue
Age (yrs) 32.18 ± 0.31 32.25 ± 0.46 32.21 ± 10.61 0.90
Seniority (yrs) 11.13 ± 8.23 9.56 ± 8.72 10.61 ± 8.42 0.01
Stature (cm) 158.67 ± 4.06 170.2 ± 4.98 162.47 ± 6.98 <0.001
Weight (kg) 52.35 ± 6.93 65.43 ± 9.02 56.67 ± 9.84 <0.001
Body mass index (kg/m2) 20.82 ± 2.62 22.54 ± 2.77 21.39 ± 2.79 <0.001
Smoking     <0.001
Never or seldom smoked 564 (99.3%) 186 (65.0%) 750 (87.8%)  
Current or past smoker 4 (7.0%) 100 (35.0%) 104 (12.2%)  
Work hours per week (h) >40 h 182 (30.9%) 123 (42.3%) 305 (34.7%) 0.001
Housework per week (h) ≥20 h 148 (25.7%) 13 (4.6%) 161 (18.8%) <0.001
Physical exercise per week (h) ≥7 h 96 (17.7%) 66 (23.7%) 162 (19.8%) 0.04
  1. P Values were derived from either Student's t-test for quantitative data or the χ2 test for categorical data.
  2. Statistically significant differences (P < 0.05) are marked in bold.