Table 2

Proportions of ever-users who vaped/smoked in the past 30 days, past week, and on ≥20 days in the past month, by country, 2017–2019

 Canada
 		England
 		USA
 
201720182019Difference 2019 vs 2018201720182019Difference 2019 vs 2018201720182019Difference 2019 vs 2018
Vaping
(among ever-vapers)		n=1182n=1275n=1680 n=1348n=1283n=1260 n=1283n=1336n=1734 
Past 30-day vaping28.8% (340)36.3% (463)43.9% (738) 1.36 (1.17 to 1.59); p<0.0001 25.8% (347)27.3% (351)34.8% (439) 1.44 (1.19 to 1.75); p=0.0002 35.4% (454)47.5% (635)42.5% (736) 0.81 (0.68 to 0.97); p=0.02
Past-week vaping17.6% (208)22.7% (290)30.2% (508) 1.48 (1.24 to 1.75); p<0.0001 13.7% (184)14.0% (179)19.2% (241) 1.49 (1.17 to 1.91); p=0.001 20.4% (262)31.1% (416)29.0% (503)0.91 (0.75 to 1.09); p=0.31
Vaping ≥20 days of past 306.3% (74)7.2% (92)14.0% (236) 2.11 (1.63 to 2.73); p<0.0001 4.4% (59)5.9% (76)7.5% (94)1.33 (0.92 to 1.94); p=0.136.9% (89)11.5% (154)15.4% (267) 1.42 (1.10 to 1.85); p=0.008
Cigarette smoking
(among ever-smokers)		n=1288n=1193n=1287 n=1615n=1554n=1334 n=1322n=1306n=1334 
Past 30-day smoking33.4% (431)32.1% (383)29.8% (384)0.91 (0.77 to 1.07); p=0.2438.5% (622)41.5% (645)38.9% (519)0.90 (0.76 to 1.06); p=0.1934.1% (451)36.0% (470)23.6% (315) 0.56 (0.46 to 0.67); p<0.0001
Past-week smoking23.9% (308)24.4% (291)22.4% (288)0.90 (0.76 to 1.07); p=0.2324.2% (391)28.6% (444)26.7% (356)0.91 (0.76 to 1.09); p=0.2926.3% (347)25.7% (336)17.3% (231) 0.61 (0.50 to 0.76); p<0.0001
Smoking ≥20 days of past 3013.4% (173)13.3% (158)9.2% (118) 0.66 (0.53 to 0.83); p=0.0004 10.7% (173)14.5% (226)12.3% (165)0.83 (0.65 to 1.05); p=0.1111.4% (151)11.9% (156)7.5% (100) 0.61 (0.46 to 0.80); p=0.0004

  • Data are weighted %(n) or adjusted OR (AOR) with 95% CI and associated p values, adjusted for sex, age group and race/ethnicity.