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Table 3 Multinomial Regression of covariates associated with class membership relative to Class 1:Non-users, adjusted for sex, grade level, and marijuana use Among Black 9th–12th Graders, 2017 National Youth Risk Behavior Survey (n = 2595)

From: Polytobacco use among a nationally-representative sample of black high school students

Covariates E-Cigarette Users
vs. Non-Users
Polytobacco Users vs. Non-Users
Male Sex 0.87 (0.53–1.40) 4.28 (1.62–11.35)
Grade Level
 9th 0.78 (0.38–1.59) 0.32 (0.12–0.88)
 10th 0.75 (0.39–1.43) 0.62 (0.29–1.29)
 11th 1.31 (0.56–3.04) 0.41 (0.17–1.01)
 12th (REF)
Marijuana Use
 Recent (past 30 days) 26.13 (8.84–77.24) 24.61 (6.95–87.11)
 Ever 12.45 (4.05–38.29) 1.59 (0.09–27.84)
 Never (REF)