Table 1.

Sample characteristics of adults smokers

	Canada (n=1861) Wave 1 & 2	Australia (n=1761) Wave 3 & 4	United States (n=2683) Wave 2 & 3	Mexico (n=1812) Wave 3 & 4

	% or Mean (SD)	% or Mean (SD)	% or Mean (SD)	% or Mean (SD)
Gender/Age Groups ^a
Women<=40	28	25	28	30
Men<=40	19	19	26	34
Women>40	29	29	23	15
Men>40	24	27	23	21
Education ^a
High school or less	32	33	34	37
College or some university	45	43	41	20
Completed University or higher	23	24	25	43
Household income ^b
Low	28	23	35	41
Middle	32	38	35	33
High	40	49	30	26
Minors living at home ^a
Yes	31	36	45	63
Partner ^a
None	46	43	48	41
Nonsmoking partner	24	27	29	35
Smoking partner	30	30	23	24
Smoking Behavior
Daily Smokers^a	81	87	71	50
HSI (Mean, SD)^a	2.45 (1.57)	2.80 (1.56)	2.12 (1.57)	0.83 (1.23)
Plan to quit (yes)^a	45	41	43	47
Recent quit attempt (yes)^a	41	35	41	54

Note. n = number of observations in each country at the two waves combined.

Chi square or Anova test p<0.001

Annual household income in Canada, Australia and the US (Low=$0 to $29,999, Middle=$30,000 to $59,999, High=$60,000 or more) and monthly household income in Mexico (Low=$0 to $10,000, Middle=$10,001 to $20,000, High=$20,001 or more).