Table 2 Prevalence of self-reported low back pain and the associations with selected daily life conditions
Male | Female | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Total | Prevalence(%) | Pvalue1) | PR adj 2) | 95% CI | Total | Prevalence(%) | Pvalue1) | PR adj 2) | 95% CI | |
Smoking | ||||||||||
Never | 260 | 65.4 | 1 | 3812 | 73.3 | 1 | ||||
Ex-smokers | 199 | 72.4 | * | 1.41 | 0.94–2.11 | 305 | 78.4 | ** | 1.31 | 0.98–1.73 |
Current smokers | 523 | 75.1 | 1.59 | 1.15–2.02 | 598 | 81.6 | 1.61 | 1.29–2.00 | ||
Physical activity | ||||||||||
Yes, regularly | 280 | 70.7 | 1 | 771 | 70.8 | 1 | ||||
No | 718 | 72.8 | n.s | 1.15 | 0.84–1.56 | 4010 | 75.4 | ** | 1.27 | 1.07–1.50 |
Sleeping hours | ||||||||||
≦6 hours | 553 | 71.6 | 1 | 3102 | 76.5 | 1 | ||||
7 hours≦ | 428 | 72.7 | n.s | 0.92 | 0.69–1.22 | 1632 | 71.4 | ** | 1.30 | 1.14–1.49 |
Having meals regularly | ||||||||||
Regularly | 348 | 67.8 | 1 | 1949 | 73.5 | 1 | ||||
Irregularly | 557 | 75.2 | * | 1.43 | 1.06–1.92 | 2636 | 75.5 | n.s | 1.11 | 0.97–1.26 |