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. Author manuscript; available in PMC: 2019 Dec 1.
Published in final edited form as: Alcohol Clin Exp Res. 2018 Oct 4;42(12):2385–2393. doi: 10.1111/acer.13889

Table 2.

Group comparisons of alcohol use patterns and classifications by e-cigarette use (n = 36,309)

E-cigarette use group
Nonuser Nondaily users Daily users
AOR 95% CI AOR 95% CI
Alcohol user ref 2.37 a,b (1.95–2.89) 1.45 a,b (1.01–2.08)
Alcohol use disorder ref 2.44 a (2.09–2.84) 1.89 a (1.42–2.52)
Hazardous drinker ref 2.48 a,b (2.16–2.85) 1.69 a,b (1.32–2.16)
Highest drinking frequency group (vs. nondrinker)
 1+ episode per year ref 2.24 a (1.79 – 2.81) 1.67a (1.08 – 2.59)
 1+ episode per month ref 2.03 a (1.59 – 2.60) 1.34 (0.81 – 2.24)
 1+ episode per week ref 2.51 a,b (2.05 – 3.09) 1.34b (0.94 – 1.91)
 1+ episode per day ref 3.24 a,b (2.26 – 4.47) 1.57a,b (1.02 – 2.43)
Highest binge drinking frequency group (vs. no binge episodes)
 1+ episode per year ref 1.63 a (1.39 – 1.91) 1.30 (0.91–1.83)
 1+ episode per month ref 2.57 a (2.07 – 3.19) 1.86 a (1.23–2.81)
 1+ episode per week ref 3.30 a (2.76 – 3.95) 2.25 a (1.56–3.25)
 1+ episode per day ref 2.90 a (1.90 – 4.44) 2.10 a (1.26–3.50)
Highest extreme (12+) binge drinking frequency group (vs. no extreme binges)
 1+ episode per year ref 2.70 a (2.12–3.45) 2.61 a (1.83–3.72)
 1+ episode per month ref 2.63 a,b (1.83–3.78) 1.17 b (0.56–2.44)
 1+ episode per week ref 2.45 a (1.92–3.12) 1.39 (0.72–2.69)
 1+ episode per day ref 1.99 (0.98–4.04) 2.41 (0.84–6.86)
Typical drinking quantity (mean [SE]; past year drinkers only) 2.73 (0.02) 3.88 (0.12) a 3.53 (0.19) a

All analyses were adjusted for race, marital status, sex, age, and personal income.

a

Group is significantly different compared to nonusers (ref), p < 0.05.

b

Significant difference between daily and nondaily users, p < 0.05.