From: Low back pain among school teachers in Botswana, prevalence and risk factors
Risk factorsa | % with LBP | P value |
---|---|---|
Gender | Â | <0.001 |
Male | 47.7 | Â |
Female | 58.7 | Â |
Age (years) | Â | 0.356 |
≤30 | 53.5 |  |
31-40 | 54.5 | Â |
41-50 | 58.9 | Â |
>50 | 56.4 | Â |
Body mass index | Â | 0.673 |
<18.5 | 50.7 | Â |
18-24.9 | 54.1 | Â |
25-29.9 | 56.5 | Â |
≥30 | 57.2 |  |
Marital status | Â | 0.220 |
Single | 53.7 | Â |
Married | 57.9 | Â |
Separated/divorced/widowed | 57.4 | Â |
Education level | Â | 0.515 |
Certificate | 51.1 | Â |
Diploma | 55.3 | Â |
Bachelor’s degree | 57.0 |  |
Number of children <6Â years | Â | 0.562 |
1 | 55.2 | Â |
≥2 | 58.1 |  |
Previous injury | Â | <0.001 |
No | 51.7 | Â |
Yes | 91.8 | Â |
Tobacco smoking | Â | 0.120 |
Smokers | 42.9 | Â |
Ex-smokers | 52.7 | Â |
Never smoked | 56.3 | Â |
Regular physical exercise (hours per week) | Â | 0.024 |
≤5 | 57.6 |  |
>5 | 47.2 | Â |
School level | Â | 0.176 |
Primary school | 57.5 | Â |
Junior secondary school | 52.8 | Â |
Senior secondary school | 54.1 | Â |
Length of employment (years) | Â | 0.307 |
≤10 | 53.8 |  |
11-20 | 56.1 | Â |
21-30 | 60.1 | Â |
>30 | 58.1 | Â |
Hours of work per week | Â | 0.002 |
40 | 54.2 | Â |
>40 | 65.5 | Â |
Average number of students taught | Â | 0.591 |
≤25 | 51.4 |  |
26-30 | 57.0 | Â |
31-35 | 57.9 | Â |
36-40 | 55.0 | Â |
>40 | 55.2 | Â |
Extracurricular activities | Â | 0.623 |
No | 56.6 | Â |
Yes | 55.2 | Â |