Table 1

Relative risks of mortality in within-city migrants from deprived to affluent areas compared with people remaining in deprived areas. Sheffield, October 2001 to December 2010

CharacteristicsPeople remaining in deprived areasMigrants from deprived to affluent areasRelative risk (95% CI) of mortality in migrants versus non-migrants
25–44 years
 Deaths (%)972 (1.76)89 (0.93)0.53 (0.42 to 0.65)
 Population55 2669615
 Mean age (SD)34.7 (5.5)33.3 (5.3)
 Women (%)47.645.5
45–64 years
 Deaths (%)4315 (9.23)212 (6.48)0.70 (0.61 to 0.80)
 Population46 7713272
 Mean age (SD)54.4 (5.7)53.5 (5.7)
 Women (%)49.546.9
65–74 years
 Deaths (%)5900 (29.87)215 (22.75)0.76 (0.68 to 0.86)
 Population19 755945
 Mean age (SD)69.4 (2.9)69.3 (2.8)
 Women (%)53.654.9
75–84 years
 Deaths (%)8753 (59.5)426 (55.61)0.93 (0.88 to 1.00)
 Population14 710766
 Mean age (SD)78.9 (2.7)79.1 (2.7)
 Women (%)60.165.8
≥85 years
 Deaths (%)3712 (87.84)211 (86.12)0.98 (0.93 to 1.03)
 Population4226245
 Mean age (SD)88.4 (3.2)88.3 (3.2)
 Women (%)73.080.4