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

BMC Public Health

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

Questions	Pre-intervention		Six months post-intervention		12 months post-intervention		χ ²	P
Questions	n	%	n	%	n	%	χ ²	P
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