Region | Count | Rate per 100 000person years(95% CI) | Adjustedrate ratio*(95% CI) | Rate permillion mileswalked(95% CI) | Adjusted rateratio*(95% CI) |
Rural | 922 | 28.1 (26.3 to 29.9) | 1.0 (reference) | 2.1 (1.8 to 2.6) | 1.0 (reference) |
Small urban areas | 2626 | 55.5 (53.4 to 57.6) | 2.0 (1.7 to 2.3) | 5.0 (4.5 to 5.6) | 2.3 (1.6 to 3.2) |
Mid-size urban areas | 2320 | 51.3 (49.2 to 53.4) | 1.8 (1.5 to 2.3) | 4.4 (3.8 to 5.4) | 2.0 (1.4 to 2.9) |
Large urban area | 29864 | 116.9 (115.5 to 118.2) | 4.2 (3.6 to 4.8) | 4.2 (3.8 to 4.7) | 1.9 (1.4 to 2.7) |
*Adjusted for age and sex.