TABLE 2

Odds of Lifetime Use of E-Cigarettes to Vaporize Cannabis by Participant Characteristics

Adjusted OR (95% confidence interval)
Gender
 Female1 (reference)
 Male2.05 (1.48–2.85)
Age (treated as a continuous variable)0.64 (0.61–0.67)
SES
 Low1 (reference)
 Moderate0.82 (0.55–1.23)
 High1.13 (0.74–1.73)
School
 11 (reference)
 22.54 (1.56–4.13)
 31.18 (0.60–2.34)
 42.34 (1.48–3.72)
 51.18 (0.71–1.96)
E-cigarette use
 Never1 (reference)
 Any lifetime use5.27 (3.27–8.49)
Cannabis use
 Never1 (reference)
 Any lifetime use40.89 (20.15–82.98)