Table 1

Sex-specific meta-analysis of prospective cohort studies on the association between leisure time physical activity and low back pain

CharacteristicModerate versus low activityHigh versus low activityActive versus inactive
No of studiesSampleRR95% CII2 (%)No of studiesSampleRR95% CII2 (%)No of studiesSampleRR95% CII2 (%)
Men and women
Low back pain in the past month337100.930.80 to 1.0811437150.850.53 to 1.3787552300.980.84 to 1.1466
 Low back pain in the past 6–12 months1075780.960.87 to 1.0701180520.900.77 to 1.05511634 5460.970.92 to 1.0146
 Frequent low back pain00213830.770.65 to 0.910
 Chronic low back pain334 4190.860.79 to 0.940334 4190.700.48 to 1.0352749 5320.860.78 to 0.9553
Men
 Low back pain in the past 6–12 months425870.870.71 to 1.080425870.900.73 to 1.1011757080.960.89 to 1.0413
 Chronic low back pain216 1360.880.77 to 0.990216 1360.680.46 to 0.9938320 3820.840.74 to 0.9434
Women
Low back pain in the past 6–12 months315501.020.81 to 1.280315500.850.56 to 1.3071616 7320.990.93 to 1.0663
 Chronic low back pain217 6680.840.74 to 0.960217 6680.820.55 to 1.2047320 1150.890.81 to 0.985