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Table 2 Pre- and post-intervention comparison on the action of teachers toward WMSDs

From: Assessing the effects of an educational program for the prevention of work-related musculoskeletal disorders among school teachers

Questions Pre-intervention Six months post-intervention 12 months post-intervention χ 2 P
n % n % n %
12. What do you think of the necessity to hold disease knowledge lectures and training activities? 34.6124 <0.0001
Necessary 168 48.00 198 60.36 187 58.62   
Just as well 127 36.29 96 29.27 121 37.93   
Nil 55 15.71 34 10.37 11 3.45   
13. What do you think is the optimal way to acquire prevention and control knowledge of disease? 45.9329 <0.0001
Employing unit 113 32.29 155 47.26 88 27.59   
Actively acquiring 125 35.71 94 28.66 94 29.47   
Occupational lecture 77 22.00 66 20.12 108 33.85   
Other 35 10.00 13 3.96 29 9.09   
14. Would you pay special attention to keeping the optimal posture at work? 314.1653 <0.0001
Never 209 59.71 19 5.79 51 15.99   
Sometimes 106 30.29 183 55.79 210 65.83   
Frequently 35 10.00 109 33.24 51 15.99   
Always 0 0 17 5.28 7 2.19   
15. Would you ever do some extra stretching exercises during work? 429.6923 <0.0001
Never 230 65.71 19 5.79 45 14.11   
Sometimes 100 28.57 183 55.79 232 72.73   
Frequently 20 5.72 109 33.23 39 12.23   
Always 0 0 17 5.19 3 0.94   
16. How long do you think the positive effects of the occupational health education lectures and ergonomics training can last? 4.4388 0.2178
Not a bit - - 58 17.68 77 24.14   
1 week - - 105 32.01 100 31.35   
30 days - - 84 25.61 74 23.20   
The entire semester - - 81 24.70 68 21.32