Household Tobacco Smoke and Admission Weight Predict Severe Bronchiolitis in Infants Independent of Deprivation: Prospective Cohort Study
Figure 1
Proportion of infants by deprivation quintile.
Deprivation quintiles (1 least deprived, 5 most deprived); infants recruited to this study with bronchiolitis (black), all Liverpool infants in 2001 census (grey) and all English infants in 2001 census (white).