Exposure category | Cases | Incidence rate (1/100,000) | Crude IRR | Adjusted IRR (95 % CI)Model 1 | Adjusted IRR (95 % CI)Model 2 |
---|---|---|---|---|---|
Unexposed | 9,225 | 63.00 | 1.00(ref) | 1.00(ref) | 1.00(ref) |
Unexpected causes | 21 | 71.15 | 1.17 | 1.05(0.69–1.59) | 1.03(0.68–1.56) |
12–7 months | 7 | 82.44 | 1.43 | 1.34(0.67–2.69) | 1.29(0.67–2.68) |
6–0 months | 4 | 41.11 | 0.62 | 0.58(0.22–1.54) | 0.56(0.21–1.50) |
Prenatal | 10 | 88.55 | 1.33 | 1.18(0.64–2.20) | 1.18(0.64–2.20) |
Other causes | 158 | 71.69 | 1.13 | 1.13(0.97–1.33) | 1.12(0.95–1.31) |
12–7 months | 46 | 72.20 | 1.13 | 1.14(0.85–1.52) | 1.11(0.83–1.49) |
6–0 months | 57 | 82.22 | 1.28 | 1.30(1.00–1.68) | 1.26(0.97–1.63) |
Prenatal | 55 | 62.97 | 1.00 | 1.00(0.77–1.30) | 1.00(0.76–1.29) |