Table 1. Sample^a characteristics and prevalence of commercial cigarette smoking and lifetime history of electronic cigarette and hookah use in the first trimester of 2022. The Covitel study, 2022.

Characteristic	Total (estimate)		Commercial cigarette		Electronic cigarette		Hookah
	n	%	%	95% CI	%	95% CI	%	95% CI
Sex
Male	64,896,014	48.2	14.5	12.2-17.2	10.1	8.1-12.4	9.8	7.7-12.3
Female	69,726,066	51.8	9.9	8.1-12.2	4.8	3.6-6.3	5.0	3.8-6.6
Skin color
White	52,096,874	38.7	10.8	9.0-13.1	7.4	5.8-9.4	7.0	5.8-8.4
Black	17,800,606	13.2	16.4	12.2-21.6	9.3	5.5-15-1	9.3	5.5-15.2
Brown	55,389,447	41.1	11.1	8.8-14.0	7.2	5.5-9.3	7.1	5.1-10.0
Other	9,335,153	6.9	17.7	11.8-25.7	4.0	2.2-7.1	6.8	2.8-15.7
Age in completed years
18-24	21,117,143	15.7	12.1	8.4-17.1	19.7	15.1-25.2	17.0	12.2-23.2
25-34	35,765,977	26.6	14.5	9.9-20.9	10.3	7.7-13.8	11.9	9.0-15.4
35-59	52,159,635	38.7	12.0	9.9-14.4	3.0	2.4-3.8	3.3	2.6-4.1
60 or more	25,579,326	19.0	9.2	7.1-11.9	1.6	1.0-2.6	1.3	0.8-2.1
Level of education in completed years of formal education
0-8	67,991,097	50.5	14.7	12.4-17.3	5.0	3.3-7.6	4.9	3.4-6.9
9-11	39,731,189	29.5	11.6	9.0-14.7	10.5	8.4-13.1	10.4	8.0-13.4
12 or more	26,899,807	20.0	6.5	5.4-7.8	8.4	7.1-9.9	9.0	7.5-10.9
Country region
Central-West	9,858,685	7.3	12.6	10.3-15.2	11.2	8.5-14.7	13.7	9.8-19.0
Northeast	35,890,341	26.7	7.9	5.8-10.7	6.1	4.1-8.9	2.9	1.7-4.8
North	9,926,494	7.4	8.0	6.1-10.4	6.4	4.9-8.3	4.8	3.9-6.0
Southeast	58,951,426	43.8	14.3	12.0-16.8	6.6	4.6-9.3	8.0	6.1-10.3
South	19,995,121	14.9	15.5	11.9-19.9	10.2	7.4-14.0	11.5	8.3-15.8
Total	134,622,080		12.2	10.4-14.1	7.3	6.0-8.9	7.3	6.0-8.9

^a≥ 18 years of age.