Table 4 Multivariable-adjusted odds ratio for persistent LBP according to combined PA levels and BMI at baseline
Obesity status | Physical activity levels | N | With Persistent LBP | Persistent LBP per 100 men | Age-adjusted OR (95% CI) | Multivariablea OR (95% CI) |
|---|---|---|---|---|---|---|
Normal weight (BMI < 25) | High | 935 | 74 | 7.9 | 1.00 (reference) | 1.00 (reference) |
Middle | 927 | 106 | 11.4 | 1.53 (1.12–2.09) | 1.52 (1.11–2.08) | |
Low | 906 | 93 | 10.3 | 1.33 (0.97–1.83) | 1.33 (0.96–1.83) | |
Overweight/obese (BMI ≥ 25) | High | 402 | 41 | 10.2 | 1.28 (0.86–1.92) | 1.25 (0.83–1.87) |
Middle | 416 | 54 | 13.0 | 1.72 (1.19–2.50) | 1.68 (1.15–2.44) | |
Low | 436 | 60 | 13.8 | 1.80 (1.26–2.59) | 1.75 (1.22–2.53) |