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Table 3 Odds ratios of susceptibility to EC use by attitudes towards ECs and the tobacco industry

From: Exposure to e-cigarette advertising, attitudes, and use susceptibility in adolescents who had never used e-cigarettes or cigarettes

  Being susceptible to use ECs
Crude OR Adjusted OR
(95% CI)a (95% CI)b
a. Attitudes towards ECs
EC use harms health
  Certain 1 1
  Uncertain 2.40 (2.00, 2.90)*** 1.57 (1.28, 1.93)***
Tolerant attitudes towards EC use
  No 1 1
  Yes 4.17 (3.45, 5.04)*** 3.30 (2.68, 4.06)***
b. Attitudes towards the tobacco industry
The tobacco industry is respectable
  No 1 1
  Yes 2.13 (1.77, 2.58)*** 1.70 (1.39, 2.07)***
Tobacco companies make youth smoke
  No 1 1
  Yes 0.87 (0.72, 1.05) 1.01 (0.83, 1.23)
  1. ***P < 0.001
  2. aCI = confidence interval. OR = odds ratio
  3. bAdjusted for sex, grade, perceived family affluence, parental cigarette/EC use, other attitudinal variables in the table, and school clustering effects