Table 2 Relative risk of death from ischaemic heart diseases in 1981–99 in Wales in men and women aged 50–59 associated with a unit change in infant mortality, Carstairs score and combined score
Infant mortalityCarstairs scoreCombined score
RR (95% CI)RR (95% CI)RR (95% CI)
Men
Crude1.16 (1.09 to 1.22)1.15 (1.10 to 1.20)1.17 (1.11 to 1.22)
Adjusted for:
    Age*1.16 (1.12 to 1.19)1.15 (1.12 to 1.18)1.16 (1.13 to 1.20)
    Age*, density†1.11 (1.07 to 1.15)1.12 (1.08 to 1.16)1.13 (1.09 to 1.17)
    Age*, density†, risk factors‡1.12 (1.08 to 1.16)1.12 (1.08 to 1.17)1.14 (1.09 to 1.18)
    Age*, density†, risk factors‡, social class¶, education§1.10 (1.06 to 1.14)1.11 (1.06 to 1.16)1.13 (1.08 to 1.17)
    Age*, density†, risk factors‡, social class¶, education§, deprivation**1.07 (1.02 to 1.11)1.07 (1.02 to 1.13)
Women
Crude1.38 (1.23 to 1.55)1.42 (1.30 to 1.55)1.44 (1.31 to 1.59)
Adjusted for:
    Age*1.38 (1.26 to 1.51)1.42 (1.32 to 1.52)1.44 (1.33 to 1.55)
    Age*, density†1.24 (1.12 to 1.36)1.29 (1.18 to 1.42)1.30 (1.18 to 1.43)
    Age*, density†, risk factors‡1.24 (1.12 to 1.37)1.27 (1.17 to 1.39)1.30 (1.18 to 1.42)
    Age*, density†, risk factors‡, social class¶, education§1.24 (1.12 to 1.37)1.31 (1.19 to 1.43)1.31 (1.19 to 1.44)
    Age*, density†, risk factors‡, social class¶, education§, deprivation**1.08 (0.96 to 1.21)1.25 (1.12 to 1.40)

  • *District-level mean of age (years).

  • †District-level population density (population/km2).

  • ‡District-level proportion of current smoking (%) and ex-smoking (%), district-level median of alcohol intake (units).

  • ¶District-level proportion of manual class (%).

  • §District-level proportion of lower educational level (%).

  • **Carstairs score in the analyses of the association between adult mortality and infant mortality. Infant mortality in the analyses of the association between adult mortality and Carstairs score.