Table 3.

Differences in child mortality between England and Sweden attributable to birth characteristics and socioeconomic factors

	2–27 days		28–364 days		1–4 years
	HR (95% CI)	Percentage excess risk mediated	HR (95% CI)	Percentage excess risk mediated	HR (95% CI)	Percentage excess risk mediated
Unadjusted model*	1·66 (1·53–1·81)	..	1·59 (1·47–1·71)	..	1·27 (1·15–1·40)	..
Model adjusted for birth characteristics†	1·15 (1·06–1·25)	77%	1·19 (1·10–1·28)	68%	1·10 (1·00–1·22)	NA
Model adjusted birth characteristics and socioeconomic factors‡	1·13 (1·04–1·23)	3%	1·12 (1·04–1·21)	11%	1·06 (0·96–1·18)	NA

HR=hazard ratio for England relative to Sweden (baseline). NA=not applicable.

^*Cox proportional hazards regression model adjusted only for country.

^†Cox proportional hazards regression model adjusted for country, birthweight, gestational age, sex, and congenital anomalies.

^‡Cox proportional hazards regression model adjusted for country, birthweight, gestational age, sex, congenital anomalies, maternal age, and socioeconomic status.