Prevalence of current and daily smoking in both surveys according to telephone equipment in 15–75 years-old.
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Note: 1 Comparison between the whole sample of HB and the whole sample of the quota survey2 Comparison between landline phone owners of HB and landline phone owners of the quota survey3 Comparison between listed numbers of HB and landline phone owners of the quota surveyPearson’s chi-square test: *** pWeighted percentages and 95% confidence intervals.
创建时间:
2015-12-02



