Prevalence and magnitude of inequalities in SHS exposure in infants according to the income level by parental smoking behaviour by survey year.

CI, confidence interval; SII, slope index of inequality; RII, relative index of inequalitya The prevalence in 2010 was weighted for the average parental age in 5-year age groups using a direct method and the age distribution in 2001 as the base.Prevalence and magnitude of inequalities in SHS exposure in infants according to the income level by parental smoking behaviour by survey year.