Table 1:

Characteristics of respondents in the Niagara region by population, e-cigarette use, cigarette use and use of other tobacco products

Characteristic	No. (%) of respondents n = 3312*	Percentage of total
Population
Answered at least 1 question in the smoking section of the survey	2367 (71.5)
Male (n = 2367)	1274 (53.8)
E-cigarette use
Heard of e-cigarettes (n = 2292)	1599 (69.8)
How students learned about e-cigarettes (n = 1599)
Friends	485 (30.3)
Store sign/display	380 (23.8)
Internet	186 (11.6)
Other	529 (33.1)
No answer	19 (1.2)
Had used e-cigarettes (n = 2278)	238 (10.4)
Quantity of e-cigarette use (n = 238)
Once	134 (56.3)	5.8†
A few times	79 (33.2)	3†
Frequently	13 (5.5)	0.6†
Daily	5 (2.1)	0.2†
No answer	7 (2.9)	0.3†
Cigarette use
Currently smoke (n = 2344)	61 (2.6)
Had smoked cigarettes during the last 30 d (n = 2302)	66 (2.9)
Frequency of smoking during the last 30 d (n = 66)
1–2 d	25 (37.9)	1.0‡
Some days	17 (25.8)	1.0‡
Every day or almost every day	24 (36.4)	1.0‡
Quantity of cigarettes smoked during the last 30 d (n = 66)
≤ 1 per d	35 (53.0)	1.5‡
2–5 per d	14 (21.2)	0.6‡
> 5 per d	7 (10.6)	0.3‡
No response	10 (15.1)	0.4‡
Type of smoker (self-defined) (n = 2205)
Nonsmoker	2128 (96.5)
Nonsmoker who sometimes smokes	32 (1.5)
Former smoker, quit completely	11 (0.5)
Light smoker	14 (0.6)
Moderate/heavy smoker	20 (0.9)
Other tobacco products
Had smoked cigarillos (n = 2297)	84 (3.7)
Had used smokeless tobacco (n = 2291)	33 (1.4)
Had smoked using a water pipe (n = 2288)	57 (2.5)

Note: e-cigarette = electronic cigarette.

^*Unless otherwise indicated.

^†Distribution of frequency of e-cigarette use among all respondents to the e-cigarette questionnaire (n = 2278).

^‡Distribution of smoking frequency and quantity during the last 30 d among all respondents to the smoking section of the questionnaire (n = 2302).