Relative risk ratios (RRR) for persistent asthma by relative inequality index adjusted for blocks of mediators (N=7487)
| Baseline model | Model 1 | Model 2 | Model 3 | Model 4 | ||||||
| RRR* | 95% CI | RRR | 95% CI | RRR | 95% CI | RRR | 95% CI | RRR | 95% CI | |
| Transient asthma | ||||||||||
| RII | 1.25 | 0.83 to 1.90 | 1.03 | 0.67 to 1.58 | 1.00 | 0.64 to 1.55 | 0.96 | 0.62 to 1.48 | 0.89 | 0.58 to 1.36 |
| Persistent asthma | ||||||||||
| RII | 1.70 | 1.21 to 2.40 | 1.45 | 1.03 to 2.06 | 1.45 | 1.02 to 2.05 | 1.49 | 1.04 to 2.14 | 1.41 | 0.98 to 2.03 |
Model 1: Baseline model+perinatal characteristics (maternal pre-pregnancy body mass index; breastfeeding duration; birth weight; gestation; maternal smoking during pregnancy; alcohol use during pregnancy; wheeze.
Model 2: Model 1+housing conditions (damp; tenure; furry pets; environmental tobacco smoke; access to garden).
Model 3: Model 2+potential exposure to infection (sibling number; childcare type).
Model 4: Model 3+neighbourhood characteristics (volume of traffic; housing quality; rubbish; area rating).
*All models were adjusted for baseline confounders (child sex, maternal age at birth, maternal ethnicity and maternal atopy).
RII, relative index of inequality .