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Table 3 Weighted prevalence estimates drinking, cannabis use and smoking by sample type

From: Surveying alcohol and other drug use through telephone sampling: a comparison of landline and mobile phone samples

 

Mobile sample

Landline sample

Dual-frame sample

 

Prevalence

95% CI

Prevalence

95% CI

Prevalence

95% CI

Risky drinking

55%

(52% - 59%)

51%

(47% - 55%)

52%

(49% - 54%)

Very risky drinking

28%

(25% - 32%)

24%

(20% - 28%)

26%

(24% - 28%)

Lifetime cannabis use

40%

(37% - 44%)

35%

(31% - 40%)

37%

(35% - 40%)

Recent cannabis use

10%

(8% - 12%)

8%

(4% - 11%)

9%

(7% - 10%)

Current smoking

24%

(21% - 28%)*

16%

(13% - 19%)

21%

(19% - 23%)*

  1. * Significantly different from landline sample prevalence estimate.