NYTS 2018 frequency distribution


1	Frequency distribution of vaping by tobacco-use history
2	US National Youth Tobacco Survey, 2018
3	E-cigarette use frequency-of-use distribution by tobacco use history
4	Vaping frequency by tobacco use history %	Never used any tobacco product	Used tobacco, but not combustible	Tried combustible, but not cigarette	1 or more puffs, but never whole cigarette	1 cigarette	2 to 5 cigarettes	6 to 15 cigarettes	16 to 25 cigarettes	26 to 99 cigarettes	100+ cigarettes	Total	Any tobacco	Any combustible	Any cigarette
5	Used 1-2 days	53.1	37.2	36.8	31.5	27.3	28.2	23.5	16.0	17.8	14.2	33.1	26.1	25.8	22.8
6	3-5 days	18.1	14.1	16.1	18.3	15.5	16.7	14.9	9.7	11.0	11.6	15.6	14.7	14.7	14.3
7	6-9 days	9.1	17.3	13.0	9.6	6.8	13.8	7.2	10.6	3.9	9.2	10.0	10.3	10.1	9.3
8	10-19 days	8.4	13.4	16.8	17.0	30.2	12.8	18.7	13.9	13.9	12.6	13.8	15.7	15.8	15.5
9	20-29 days	6.2	12.0	6.1	7.4	6.0	9.2	8.2	18.1	19.7	12.5	9.3	10.3	10.3	11.4
10	All 30 days	5.1	6.0	11.2	16.2	14.2	19.2	27.4	31.7	33.7	39.9	18.3	22.9	23.4	26.7
11	Total	100%	100%	100%	100%	100%	100%	100%	100%	100%	100%	100%	100%	100%	100%
12	Share of vapers (weighted)	25.7%	2.4%	15.1%	11.8%	3.6%	11.0%	5.3%	5.0%	7.2%	12.9%	100%	74.3%	71.9%	56.8%
13
14	E-cigarette use frequency-of-use distribution for all high school vapers by tobacco use history
15	All high school vapers %	Never used any tobacco product	Used tobacco, but not combustible	Tried combustible, but not cigarette	1 or more puffs, but never whole cigarette	1 cigarette	2 to 5 cigarettes	6 to 15 cigarettes	16 to 25 cigarettes	26 to 99 cigarettes	100+ cigarettes	Total	Any tobacco	Any combustible	Any cigarette
16	Used 1-2 days	13.6	0.9	5.6	3.7	1.0	3.1	1.2	0.8	1.3	1.8	33.1	19.4	18.5	13.0
17	3-5 days	4.7	0.3	2.4	2.2	0.6	1.8	0.8	0.5	0.8	1.5	15.5	10.9	10.5	8.1
18	6-9 days	2.3	0.4	2.0	1.1	0.2	1.5	0.4	0.5	0.3	1.2	10.0	7.7	7.2	5.3
19	10-19 days	2.2	0.3	2.5	2.0	1.1	1.4	1.0	0.7	1.0	1.6	13.8	11.7	11.4	8.8
20	20-29 days	1.6	0.3	0.9	0.9	0.2	1.0	0.4	0.9	1.4	1.6	9.3	7.7	7.4	6.5
21	All 30 days	1.3	0.1	1.7	1.9	0.5	2.1	1.5	1.6	2.4	5.1	18.3	17.0	16.8	15.1
22	Total	25.7%	2.4%	15.1%	11.8%	3.6%	11.0%	5.3%	5.0%	7.2%	12.9%	100.0%	74.3%	71.9%	56.8%
23
24	E-cigarette use frequency distribution for all high school students by tobacco use history (not including the non-vapers)
25	All high school students %	Never used any tobacco product	Used tobacco, but not combustible	Tried combustible, but not cigarette	1 or more puffs, but never whole cigarette	1 cigarette	2 to 5 cigarettes	6 to 15 cigarettes	16 to 25 cigarettes	26 to 99 cigarettes	100+ cigarettes	Total	Any tobacco	Any combustible	Any cigarette
26	Used 1-2 days	2.8	0.2	1.2	0.8	0.2	0.6	0.3	0.2	0.3	0.4	6.9	4.0	3.9	2.7
27	3-5 days	1.0	0.1	0.5	0.4	0.1	0.4	0.2	0.1	0.2	0.3	3.2	2.3	2.2	1.7
28	6-9 days	0.5	0.1	0.4	0.2	0.1	0.3	0.1	0.1	0.1	0.2	2.1	1.6	1.5	1.1
29	10-19 days	0.4	0.1	0.5	0.4	0.2	0.3	0.2	0.1	0.2	0.3	2.9	2.4	2.4	1.8
30	20-29 days	0.3	0.1	0.2	0.2	0.0	0.2	0.1	0.2	0.3	0.3	1.9	1.6	1.5	1.3
31	All 30 days	0.3	0.0	0.4	0.4	0.1	0.4	0.3	0.3	0.5	1.1	3.8	3.5	3.5	3.2
32	Total	5.3%	0.5%	3.1%	2.5%	0.7%	2.3%	1.1%	1.0%	1.5%	2.7%	20.8%	15.5	15.0	11.8
33												5.030135
34	With thanks to Martin Jarvis for providing basic numbers from NYTS data sets					see table here
35
36		High school students
37	20.8%	Proportion of high school students who used an e-cigarette in the past 30 days - (high school vapers)
38	27.6%	Proportion of vapers who are regular vapers (≥20 days per month)
39	72.4%	Proportion of vapers who are not regular vapers (<20 days per month)
40	58.6%	Proportion of vapers who are occasional users (≤9 days per month)
41	80.3%	Proportion of vapers who had not previous used tobacco who are occasional users (≤9 days per month)
42	89.5%	Proportion of regular vapers who previously used tobacco
43	87.9%	Proportion of regular vapers who previously smoked
44	10.5%	Proportion of regular vapers who never used tobacco
45	12.1%	Proportion of regular vapers who never smoked
46	5.7%	Proportion of high school student who are regular vapers (≥20 days per month)
47	5.3%	Proportion of high school students who vaped and had never used other tobacco products
48	0.6%	Proportion of high school students who were regular vapers and never used other tobacco products
49
50
51	Percentage of all students	No nicotine	Any tobacco use		Percentage of e-cig users	No nicotine	Any tobacco use		Number of e-cig users	No nicotine	Any tobacco use
52	Frequent 20-30 days per month	0.6%	5.1%		Frequent 20-30 days per month	2.9%	24.7%		Frequent 20-30 days per month	88,589	752,298
53	Infrequent ≤ 19 days per month	4.7%	10.3%		Infrequent ≤ 19 days per month	22.8%	49.6%		Infrequent ≤ 19 days per month	695,388	1,513,724
54		Total	20.8%			Total	100.0%			Total	3,050,000