Association of Index of Multiple Deprivation (IMD) quintile with asthma outcomes (incidence rate ratio (IRR) with 95% CI), adjusting for age and sex, stratified by age-band: (A) mortality, England 2002–2015; (B) emergency admissions, England 2001–2011; (C) prevalence of clinician-diagnosed-and-treated asthma in the last 12 months, England 2010*; (D) prevalence of recent severe asthma symptoms*, England 2010.
| (A) Mortality | 5–44 years | 45–74 years | 75 years and over | |||||||||
| IMD | N deaths | IRR | 95% CI | N deaths | IRR | 95% CI | N deaths | IRR | 95% CI | |||
| Least deprived 1 | 263 | 1.00 | Reference | 765 | 1.00 | Reference | 1847 | 1.00 | Reference | |||
| 2 | 291 | 0.96 | 0.81 | 1.13 | 767 | 1.07 | 0.97 | 1.18 | 1751 | 0.94 | 0.88 | 1.00 |
| 3 | 244 | 0.85 | 0.72 | 1.02 | 768 | 1.11 | 1.00 | 1.22 | 1750 | 0.95 | 0.89 | 1.02 |
| 4 | 297 | 0.85 | 0.72 | 1.01 | 783 | 1.28 | 1.16 | 1.41 | 1854 | 1.14 | 1.07 | 1.22 |
| 5 | 275 | 0.81 | 0.69 | 0.96 | 751 | 1.37 | 1.24 | 1.52 | 1866 | 1.30 | 1.22 | 1.39 |
| Linear trend for IMD | 0.95 | 0.91 | 0.99 | 1.08 | 1.06 | 1.11 | 1.08 | 1.06 | 1.09 | |||
| (P value) | 0.006 | <0.001 | <0.001 | |||||||||