Prevalence of current and daily smoking in both surveys according to telephone equipment in 15–75 years-old.

Note: 1 Comparison between the whole sample of HB and the whole sample of the quota survey 2 Comparison between landline phone owners of HB and landline phone owners of the quota survey 3 Comparison between listed numbers of HB and landline phone owners of the quota survey Pearson’s chi-square test: *** p<0.001; ** p<0.01; * p<0.05; ns: not significant Weighted percentages and 95% confidence intervals.