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Prevalence at birth, 2013–2017. Males and females combined. Relative risk (RR), by Class of municipal environmental indicator of waste risk (MRI).
| MRI class 1 | MRI class 2 | MRI class 3 | MRI class 4 | |
|---|---|---|---|---|
| RR | RR (90% CI) | RR (90% CI) | RR (90% CI) | |
| Low birth weight* | 1 | 0.94 (0.84–1.05) | 1.00 (0.89–1.13) | 1.01 (0.89–1.14) |
| Preterm birth** | 1 | 1.17 (1.08–1.27) | 1.08 (0.99–1.18) | 1.25 (1.14–1.37) |
CI, confidence interval; *excluding twins; **excluding preterm birth and twins.
