From: Neck/shoulder pain and low back pain among school teachers in China, prevalence and risk factors
Variable | %with NSP (no. of teachers with NSP/Total number) | Pvalue | %with LBP (no. of teachers with LBP/Total number) | Pvalue |
---|---|---|---|---|
Gender | Â | 0.01 | Â | 0.1 |
Male | 42.7 (126/295) | Â | 41.7 (123/295) | Â |
Female | 51.7 (309/598) | Â | 47.5 (284/598) | Â |
Age (yrs) | Â | 0.18 | Â | 0.03 |
19-29 | 46.2 (184/398) | Â | 41.2 (164/398) | Â |
30-39 | 48.5 (165/340) | Â | 46.8 (159/340) | Â |
40-49 | 57.5 (73/127) | Â | 55.9 (71/127) | Â |
≥50 | 46.4 (13/28) |  | 46.4 (13/28) |  |
Seniority (yrs) | Â | 0.25 | Â | 0.16 |
1-9 | 46.0 (210/457) | Â | 42.7 (195/457) | Â |
10-19 | 51.5 (151/293) | Â | 47.4 (139/293) | Â |
20-29 | 49.1 (53/108) | Â | 48.1 (52/108) | Â |
≥30 | 60.0 (21/35) |  | 60.0 (21/35) |  |
Body mass index (kg/m2) | Â | 0.44 | Â | 0.08 |
≤23.9 | 49.4 (344/697) |  | 44.5 (310/697) |  |
24-27.9 | 43.5 (57/131) | Â | 47.3 (62/131) | Â |
≥28 | 53.5 (8/15) |  | 73.3 (11/15) |  |
School level | Â | <0.001 | Â | <0.001 |
Primary school | 48.9 (137/280) | Â | 46.8 (131/280) | Â |
Junior middle school | 31.4 (83/264) | Â | 28.0 (74/264) | Â |
Senior middle school | 61.6 (215/349) | Â | 57.9 (202/349) | Â |