Table 1

Smoking behaviours reported by TUS participants

	All		Lower income		Higher income
	n/mean	Per cent/SD	n/mean	Per cent/SD	n/mean	Per cent/SD
Total TUS sample	170 469	–	89 293	–	81 176	–
Non-smokers	142 858	83.8%	70 740	79.2%	72 118	88.8%
Smokers	27 611	16.2%	18 553	20.8%	9058	11.2%
Analytic sample of smokers	23 524	–	15 803	–	7721	–
Smoking frequency
Every day	19 283	82.0%	13 081	82.8%	13 081	19.7%
Some days	5640	18.0%	2722	17.2%	1519	80.3%
Number of cigarettes smoked per day	13.21	9.02	13.34	9.07	12.96	8.92
Self-reported price paid for last pack	$5.20	1.71	$5.10	1.74	$5.42	1.65

Lower income=household income <$50 000; higher income=household income ≥$50 000.
TUS, Tobacco Use Supplement.