Article Figures & Tables
Figures
- Figure 1:
Motivating factors for using e-cigarettes among study respondents (n = 238).
- Figure 2:
Characteristics of respondents, by use of e-cigarettes. Note: Total no. of respondents who had used e-cigarettes: Sex, n = 238; Family member smokes, n = 236; Friends smoke, n = 236; Used cigarettes in last 30 d, n = 234; Cigarillo use, n = 236; Water pipe use, n = 234. Total no. of respondents who had not used e-cigarettes: Sex, n = 2040; Family member smokes, n = 2005; Friends smoke, n = 1999; Used cigarettes in last 30 d, n = 2021; Cigarillo use, n = 2034; Water pipe use, n = 2025.
Tables
- 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).
- Table 2:
Odds ratios calculated using multivariable logistic regression* for the association between e-cigarette use and sociodemographic factors, by risk factor
Risk factor OR (95% CI) p Male 1.7 (1.2–2.3) 0.002 Respondent knew that smoking can cause lung cancer 0.2 (0.02–1) 0.05 Respondent had family members who smoke tobacco 1.7 (1.2–2.4) 0.003 Respondent had friends who smoke tobacco 3.6 (2.6–4.9) < 0.001 Respondent currently smoked tobacco 12.1 (6.6–22.4) < 0.001 Smoking allowed inside respondent’s home 1.8 (1.2–2.7) 0.007 Respondent reported excellent or good stress level 0.6 (0.4–0.9) 0.003 Note: CI = confidence interval, e-cigarette = electronic cigarette, OR = odds ratio. OR > 1 suggests a positive association between e-cigarette use and risk factor.
↵* With multiple imputation of missing data.
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