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Association between diphtheria-tetanus-pertussis (DTP) immunisation coverage and mortality rates of sudden infant death syndrome (SIDS) (United States, 1975–2009)
| Estimate [per 10% increase] | IRR (95% CI) | |
|---|---|---|
| DTP immunisation coverage | −0.08 | 0.92 (0.87, 0.97) |
| Infant sleep position (supine) | −0.12 | 0.89 (0.86, 0.91) |
CI, confidence interval; IRR, incidence rate ratio.
