Severity | Place of residence | Income group | Ratio (1)/(2) Est. and (95%CI) | |
---|---|---|---|---|
First income quartile (1) Rate ratio* and (95% CI) | Other income groups (2) Rate ratio* and (95%CI) | |||
Severe | d<5 km | 5.23 (1.30 to 20.99) | 2.23 (1.29 to 3.86) | 2.35 (0.44 to 12.45) |
d≥5 km | 1.28 (0.90 to 1.82) | 1.56 (0.87 to 2.79) | 0.82 (0.40 to 1.66) | |
Not severe | d<5 km | 0.87 (0.39 to 1.95) | 1.90 (1.23 to 2.92) | 0.46 (0.20 to 1.04) |
d≥5 km | 1.15 (0.54 to 2.47) | 1.65 (1.20 to 2.27) | 0.70 (0.34 to 1.42) |
*Rate ratios estimated by multilevel Poisson regression.