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. Author manuscript; available in PMC: 2018 Jul 1.
Published in final edited form as: J Adolesc Health. 2017 Mar 28;61(1):61–69. doi: 10.1016/j.jadohealth.2017.01.023

Table 4.

Multivariable Logistic Regression Results

Susceptible to Any Tobacco Use Among Never-Tobacco Users Ever Tried Tobacco Among All Respondents Past 30-Day Tobacco Use Among Ever-Tobacco Users
Adj. OR 95% CI Adj. OR 95% CI Adj. OR 95% CI
Tobacco Marketing
 Online Engagement Score (Ref: 0)
  1 1.48 (1.24,1.76) 1.33 (1.11,1.60) 1.04 (0.79,1.37)
  2 or More 2.37 (1.53,3.68) 1.54 (1.16,2.03) 1.30 (0.94,1.80)
 Marketing Receptivity (Ref: None)
  Low 1.35 (1.22,1.49) 0.97 (0.85,1.11) 0.76 (0.61,0.95)
  Moderate 3.22 (2.57,4.03) 1.70 (1.35,2.13) 1.95 (1.45,2.62)
  High 2.33 (1.92,2.84) 2.45 (2.07,2.89) 3.38 (2.70,4.22)
Internet Use
 Internet Access (Ref: Less than Once/Week)
  1–2 Days/Week 0.71 (0.54,0.93) 0.56 (0.38,0.83) 0.46 (0.26,0.80)
  3–5 Days/Week 0.91 (0.73,1.13) 0.78 (0.60,1.02) 0.71 (0.49,1.04)
  Once/Day 0.83 (0.68,1.00) 0.75 (0.59,0.97) 0.56 (0.39,0.82)
  Several Times/Day 0.99 (0.83,1.17) 0.70 (0.56,0.87) 0.46 (0.33,0.65)
 Social Networking Account Use (Ref: No Account)
  Monthly or Less Often 1.01 (0.84,1.22) 1.05 (0.80,1.38) 0.74 (0.49,1.12)
  Weekly 1.23 (1.04,1.46) 1.10 (0.88,1.39) 0.99 (0.70,1.40)
  Daily 1.32 (1.14,1.53) 1.20 (0.98,1.46) 1.06 (0.79,1.43)
  Several Times a Day 1.49 (1.28,1.73) 1.46 (1.19,1.78) 1.42 (1.05,1.91)
 Use Smart Phone (Ref: No) 0.91 (0.82,1.01) 0.88 (0.76,1.01) 0.90 (0.72,1.13)
Individual Risk Factors
 15–17 Yrs Old (Ref: 12–14 Yrs Old) 1.26 (1.15,1.39) 2.18 (1.92,2.46) 2.56 (2.09,3.14)
 Male (Ref: Female) 1.07 (0.97,1.18) 1.17 (1.04,1.32) 1.21 (1.02,1.45)
 Race/Ethnicity (Ref: Non-Hispanic White)
  Non-Hispanic Black 1.33 (1.15,1.54) 0.58 (0.48,0.71) 0.64 (0.49,0.84)
  American Indian/Alaska Native 1.33 (0.71,2.49) 0.76 (0.36,1.58) 1.17 (0.39,3.50)
  Asian/Pacific Islander 1.04 (0.81,1.36) 0.40 (0.24,0.66) 0.37 (0.17,0.80)
  Multiple Races 1.28 (1.04,1.58) 1.16 (0.91,1.49) 0.74 (0.53,1.03)
  Hispanic 1.44 (1.28,1.62) 0.84 (0.73,0.97) 0.66 (0.53,0.82)
 Sensation Seeking (Ref: Low)
  Moderate 1.96 (1.76,2.18) 1.27 (1.09,1.47) 1.30 (1.03,1.63)
  High 3.15 (2.76,3.59) 2.03 (1.73,2.38) 1.96 (1.54,2.49)
 Internalizing Problems (Ref: Low)
  Moderate 1.36 (1.20,1.53) 0.91 (0.78,1.07) 0.85 (0.67,1.08)
  High 1.53 (1.33,1.75) 1.23 (1.04,1.46) 1.20 (0.93,1.55)
 Externalizing Problems (Ref: Low)
  Moderate 1.34 (1.17,1.53) 1.05 (0.88,1.24) 0.74 (0.57,0.96)
  High 1.89 (1.64,2.17) 0.95 (0.78,1.14) 0.59 (0.44,0.78)
 Weekly Income (Ref: None)
  $1-$20 1.06 (0.96,1.18) 0.94 (0.81,1.08) 1.17 (0.94,1.46)
  $21-$50 1.40 (1.17,1.66) 1.70 (1.41,2.06) 1.63 (1.21,2.19)
  $51+ 1.17 (0.97,1.41) 1.97 (1.63,2.37) 2.08 (1.60,2.72)
School Performance (Ref: Mostly As)
  As and Bs 1.22 (1.08,1.37) 1.71 (1.44,2.03) 1.79 (1.36,2.37)
  Mostly Bs 1.31 (1.09,1.57) 1.95 (1.54,2.45) 2.15 (1.50,3.09)
  Bs and Cs 1.39 (1.20,1.61) 2.48 (2.04,3.01) 2.28 (1.68,3.07)
  Mostly Cs to Mostly Fs 1.52 (1.27,1.82) 3.76 (3.07,4.62) 3.87 (2.88,5.20)
 Other Substance Use (Ref: 0)
  1 3.42 (2.33,5.01) 12.70 (10.52,15.35) 7.95 (6.55,9.65)
  2 or More 9.98 (1.19,84.00) 27.36 (16.02,46.73) 23.32 (15.94,34.14)
Other Risk Factors
 Parental Education (Ref: At Least Some College)
  High School Graduate 0.82 (0.72,0.93) 1.19 (1.03,1.39) 1.11 (0.89,1.39)
  Less than High School 0.89 (0.78,1.01) 1.20 (1.03,1.40) 1.02 (0.81,1.29)
 Exposure to Smoking (Ref: No) 1.46 (1.32,1.61) 2.28 (2.02,2.57) 2.73 (2.24,3.33)

Note: Adj=Adjusted; OR=Odds Ratio; CI=Confidence Interval; Yrs=Years; Ref=Reference; —=Not Applicable. Each model simultaneously adjusted for all covariates listed in first column.