Table 3.

E-cigarette equipment and flavor use at the time of the survey (n = 69,233)

	%	95% CI	N
Device used
Disposable	0.2	0.2–0.2	155
Rechargeable ciga-like with prefilled cartridges	3.1	3.0–3.2	2179
eGo-style	3.5	3.4–3.6	2409
Pod mod	3.0	2.9–3.1	2059
Mechanical device	10.7	10.5–10.9	7388
Variable voltage/wattage (advanced personal vaporizer)	76.7	76.4–77.0	53,128
Something else	1.5	1.4–1.6	1011
Nicotine concentration
0 mg/mL	6.2	6.0–6.4	4258
1–6 mg/mL	82.4	82.1–82.7	57,057
7–12 mg/mL	4.7	4.5–4.9	3238
13–17 mg/mL	0.8	0.7–0.9	561
18–24 mg/mL	1.7	1.6–1.8	1172
25–49 mg/mL	1.3	1.2–1.4	928
50 mg/mL or more	1.1	1.0–1.2	762
Flavor choices (used regularly)*
Tobacco	7.8	7.6–8.0	5395
Menthol	13.3	13.0–13.6	9217
Mint/wintergreen	9.6	9.4–9.8	6616
Fruit	83.0	82.7–83.3	57,447
Dessert/pastry/bakery	70.5	70.2–70.8	48,823
Candy/chocolate/sweet	46.3	45.9–46.7	32,064
Spice	9.2	9.0–9.4	6394
Coffee	19.3	19.0–19.6	13,385
Alcohol/cocktail	6.9	6.7–7.1	4746
Non-alcoholic/non-coffee drink	13.5	13.2–13.8	9368
Unflavored	0.9	0.8–1.0	630
Other	11.5	11.2–11.7	7945
Single flavor used most often
Tobacco	2.1	2.0–2.2	1481
Menthol	2.5	2.4–2.6	1734
Mint/wintergreen	1.2	1.1–1.3	862
Fruit	49.0	48.6–49.4	33,893
Dessert/pastry/bakery	35.3	34.9–35.7	24,436
Candy/chocolate/sweet	4.4	4.2–4.6	3062
Spice	0.6	0.5–0.7	389
Coffee	1.3	1.2–1.4	903
Alcohol/cocktail	0.3	0.3–0.3	206
Non-alcoholic/non-coffee drink	0.8	0.7–0.9	552
Unflavored	0.2	0.2–0.2	131
Other	1.0	0.9–1.1	680
Frequency of using different flavors
Use multiple flavors in the same day	42.0	41.6–42.4	29,112
Change flavors every 2–3 days	21.1	20.8–21.4	14,574
Change flavors every 4–5 days	6.7	6.5–6.9	4642
Change flavors every week	9.4	9.2–9.6	6474
Change flavors every 2 weeks	8.2	8.0–8.4	5701
Change flavors every month	11.3	11.1–11.5	7826

*Multiple responses were allowed