Relative risks of mortality in within-city migrants from affluent to deprived areas compared with people remaining in affluent areas. Sheffield, October 2001 to December 2010
| Characteristics | People remaining in affluent areas | Migrants from affluent to deprived areas | Relative risk (95% CI) of mortality in migrants versus non-migrants |
| 25–44 years | |||
| Deaths (%) | 473 (0.85) | 96 (1.45) | 1.71 (1.37 to 2.12) |
| Population | 55 669 | 6620 | |
| Mean age (SD) | 35.5 (5.4) | 33.6 (5.5) | |
| Women (%) | 49.9 | 44.9 | |
| 45–64 years | |||
| Deaths (%) | 2826 (5.16) | 213 (8.22) | 1.59 (1.40 to 1.82) |
| Population | 54 817 | 2591 | |
| Mean age (SD) | 54.0 (5.6) | 53.2 (5.5) | |
| Women (%) | 50.3 | 44.8 | |
| 65–74 years | |||
| Deaths (%) | 3751 (20.22) | 179 (29.01) | 1.44 (1.26 to 1.63) |
| Population | 18 554 | 617 | |
| Mean age (SD) | 69.2 (2.9) | 69.2 (2.9) | |
| Women (%) | 52.9 | 54.1 | |
| 75–84 years | |||
| Deaths (%) | 5993 (50.89) | 289 (60.08) | 1.18 (1.10 to 1.27) |
| Population | 11 776 | 481 | |
| Mean age (SD) | 78.9 (2.7) | 79.3 (2.8) | |
| Women (%) | 59.2 | 63.4 | |
| ≥85 years | |||
| Deaths (%) | 3402 (86.17) | 225 (90.00) | 1.04 (1.00 to 1.09) |
| Population | 3948 | 250 | |
| Mean age (SD) | 88.6 (3.2) | 88.4 (2.9) | |
| Women (%) | 69.4 | 71.2 | |