TABLE 4

Multivariable Logistic Regression Analyses of Tobacco Use Initiation, Progression to Poly-Tobacco Product Use, and Tobacco Use Cessation

CovariateModel, aOR (95% CI)
Tobacco Use InitiationaIncreased Frequency of Tobacco UsebProgression to Poly-Tobacco Product UsecTobacco Use Cessationd
Online engagement (reference: no)1.26 (1.01–1.57)1.58 (1.24–2.00)1.70 (1.20–2.43)0.71 (0.50–1.00)
15–17 y (reference: 12–14 y)1.88 (1.62–2.19)1.10 (0.88–1.37)3.44 (2.43–4.87)0.54 (0.39–0.74)
Male (reference: female)1.10 (0.94–1.28)1.27 (1.04–1.55)1.37 (1.03–1.83)0.82 (0.61–1.10)
Race and/or ethnicity (reference: non-Hispanic white)
 Hispanic0.97 (0.81–1.17)0.65 (0.51–0.83)0.77 (0.54–1.10)1.90 (1.39–2.59)
 Non-Hispanic African American0.62 (0.49–0.79)0.36 (0.24–0.53)0.48 (0.30–0.77)3.26 (2.16–4.93)
 Non-Hispanic other0.85 (0.64–1.13)0.50 (0.35–0.73)0.60 (0.35–1.03)1.56 (0.98–2.49)
Parental education (reference: at least some college)
 High school graduate1.07 (0.88–1.29)1.46 (1.15–1.85)1.45 (1.03–2.03)1.08 (0.77–1.52)
 Less than high school1.05 (0.85–1.29)1.08 (0.83–1.40)1.04 (0.71–1.53)1.18 (0.84–1.65)
Weekly income, $ (reference: none or <1)
 1–201.31 (1.10–1.55)1.41 (1.11–1.79)1.55 (1.08–2.23)0.73 (0.52–1.02)
 21–501.38 (1.06–1.79)1.35 (0.96–1.89)2.14 (1.36–3.35)0.56 (0.37–0.86)
 51+1.98 (1.54–2.55)1.24 (0.89–1.73)2.91 (1.92–4.41)0.57 (0.38–0.86)
School performance (reference: mostly As)
 As and Bs1.37 (1.12–1.67)1.89 (1.35–2.66)1.29 (0.84–1.98)1.21 (0.79–1.85)
 Mostly Bs1.43 (1.07–1.93)1.51 (0.95–2.39)2.22 (1.32–3.72)0.99 (0.58–1.68)
 Bs and Cs1.84 (1.45–2.33)3.44 (2.43–4.87)2.19 (1.38–3.46)0.75 (0.48–1.18)
 Mostly Cs to mostly Fs2.64 (2.01–3.47)5.03 (3.50–7.22)2.79 (1.71–4.56)0.67 (0.41–1.08)
 School ungraded1.76 (0.52–5.95)1.92 (0.60–6.17)6.87 (2.38–19.88)0.41 (0.07–2.49)
Internet access (reference: several times a d)
 Approximately once a day1.37 (1.10–1.70)1.23 (0.90–1.67)0.84 (0.54–1.33)1.57 (1.05–2.36)
 3–5 d a wk1.13 (0.86–1.48)1.38 (1.01–1.87)1.29 (0.80–2.09)1.00 (0.65–1.54)
 1–2 d a wk1.34 (0.91–1.96)1.13 (0.65–1.98)0.53 (0.19–1.50)1.06 (0.44–2.60)
 Less than once a wk1.52 (1.06–2.16)1.33 (0.84–2.10)1.11 (0.53–2.34)0.94 (0.47–1.88)
Social networking account use (reference: several times a day)
 Daily0.69 (0.58–0.83)0.79 (0.63–1.00)0.64 (0.46–0.90)1.12 (0.83–1.52)
 Weekly0.61 (0.48–0.77)0.77 (0.56–1.06)0.87 (0.55–1.37)0.67 (0.42–1.07)
 Monthly or less0.42 (0.33–0.54)0.47 (0.33–0.66)0.54 (0.33–0.88)0.74 (0.45–1.22)
Use smartphone (reference: no)1.42 (1.17–1.71)1.12 (0.86–1.44)1.18 (0.81–1.71)0.97 (0.66–1.42)
Sensation seeking (reference: low)
 Moderate1.14 (0.94–1.39)1.25 (0.94–1.66)1.11 (0.75–1.64)1.08 (0.74–1.58)
 High2.01 (1.65–2.47)2.02 (1.51–2.70)2.16 (1.47–3.19)0.86 (0.59–1.26)
Internalizing (reference: low)
 Moderate1.16 (0.94–1.42)0.84 (0.63–1.12)0.92 (0.62–1.36)1.17 (0.79–1.74)
 High1.32 (1.06–1.64)0.94 (0.69–1.27)1.23 (0.84–1.82)1.04 (0.68–1.58)
Externalizing (reference: low)
 Moderate1.37 (1.08–1.73)0.94 (0.67–1.32)1.15 (0.73–1.80)0.76 (0.49–1.18)
 High1.56 (1.22–2.00)1.34 (0.95–1.89)1.23 (0.77–1.94)0.74 (0.47–1.14)
Currently lives with a tobacco user (reference: no)1.59 (1.36–1.85)1.74 (1.42–2.13)1.60 (1.21–2.11)0.76 (0.58–1.00)
Exposed to tobacco coupons by mail (reference: no)0.71 (0.49–1.01)0.82 (0.56–1.20)0.72 (0.42–1.23)0.91 (0.52–1.60)
Exposed to other tobacco information by mail (reference: no)1.07 (0.51–2.24)1.07 (0.57–2.03)2.17 (0.70–6.76)2.25 (0.74–6.81)
Other substance use (reference: 0)
 11.85 (1.48–2.32)2.50 (1.98–3.15)3.41 (2.53–4.60)0.54 (0.41–0.71)
 2+6.37 (3.34–12.15)2.63 (1.87–3.71)5.32 (2.82–10.05)0.25 (0.16–0.40)
  • a Among the 9067 tobacco never-users at baseline with follow-up.

  • b Among the 11 996 tobacco never- and ever-users at baseline with follow-up.

  • c Among the 10 928 tobacco never-users and single-product tobacco users at baseline with follow-up.

  • d Among the 1869 past-year tobacco users at baseline with follow-up.