Table 3.

Results from Weighted Multivariable Logistic Regression Models of Engagement with Online Tobacco Marketing Within the Past Year

	Model 1	Model 2	Model 3	Model 4	Model 5 (Full Model)
	aOR (95% CI)	aOR (95% CI)	aOR (95% CI)	aOR (95% CI)	aOR (95% CI)
Race/Ethnicity (Ref: Non-Hispanic White)
Hispanic	1.08 (0.95, 1.23)	1.13 (0.98, 1.31)	1.21 (1.04, 1.41)^*	1.33 (1.13, 1.57)^*	1.31 (1.11, 1.56)^*
Non-Hispanic Black	1.24 (1.05, 1.48)^*	1.23 (1.02, 1.48)^*	1.33 (1.09, 1.62)^*	1.42 (1.15, 1.76)^*	1.42 (1.14, 1.77)^*
Non-Hispanic Other/Multi-Racial	1.18 (0.96, 1.46)	1.20 (0.97, 1.49)	1.18 (0.94, 1.47)	1.19 (0.93, 1.52)	1.18 (0.92, 1.50)
Sexual Orientation and Being Transgender (Ref: Straight Male)
Transgender	2.13 (1.29, 3.54)	2.21 (1.30, 3.75)^*	1.81 (1.01, 3.25)^*	1.42 (0.74, 2.71)	1.37 (0.72, 2.60)
Sexual Minority Female	2.18 (1.78, 2.69)^*	2.19 (1.76, 2.71)^*	1.54 (1.22, 1.94)^*	1.29 (1.00, 1.65)^*	1.25 (0.97, 1.61)
Sexual Minority Male	1.64 (1.16, 2.32)^*	1.66 (1.16, 2.37)^*	1.49 (1.02, 2.19)^*	1.57 (1.05, 2.33)^*	1.57 (1.05, 2.35)^*
Straight Female	1.09 (0.96, 1.23)	1.09 (0.96, 1.24)	0.92 (0.80, 1.06)	0.88 (0.75, 1.02)	0.86 (0.74, 1.00)
Age (Ref: 14 Years)
15	-	1.08 (0.91, 1.27)	1.04 (0.88, 1.23)	1.05 (0.87, 1.26)	1.06 (0.88, 1.27)
16	-	1.02 (0.86, 1.21)	0.94 (0.79, 1.12)	0.91 (0.75, 1.10)	0.89 (0.74, 1.08)
17	-	0.91 (0.77, 1.09)	0.87 (0.72, 1.05)	0.79 (0.65, 0.97)	0.79 (0.64, 0.97)
School Performance (Ref: Mostly As or School Ungraded)¹
As and Bs	-	0.95 (0.80, 1.11)	0.94 (0.80, 1.11)	0.83 (0.70, 1.00)	0.85 (0.71, 1.02)
Mostly Bs	-	0.98 (0.79, 1.23)	0.96 (0.76, 1.21)	0.81 (0.63, 1.03)	0.81 (0.63, 1.04)
Bs and Cs	-	0.97 (0.80, 1.17)	0.96 (0.79, 1.17)	0.73 (0.59, 0.91)	0.77 (0.62, 0.95)
Mostly Cs to Mostly Fs	-	1.22 (1.00, 1.49)^*	1.23 (1.00, 1.52)^*	0.89 (0.71, 1.12)	0.90 (0.71, 1.14)
Weekly Income (Ref: None or <$1)
$1-$20	-	1.46 (1.26, 1.70)^*	1.30 (1.11, 1.52)^*	1.23 (1.04, 1.46)^*	1.25 (1.06, 1.48)^*
$21-$50	-	1.58 (1.31, 1.92)^*	1.45 (1.19, 1.78)	1.31 (1.05, 1.62)^*	1.33 (1.07, 1.66)^*
$51 or more	-	1.60 (1.33, 1.91)^*	1.48 (1.22, 1.79)^*	1.21 (0.99, 1.49)	1.25 (1.01, 1.54)^*
Parental Education (Ref: At Least Some College)
Less than High School Graduate	-	1.15 (0.95,1.40)	1.12 (0.91, 1.37)	1.11 (0.89, 1.38)	1.08 (0.87, 1.35)
High School Graduate or Equivalent	-	1.15 (0.97,1.36)	1.01 (0.84, 1.20)	1.08 (0.89, 1.30)	1.05 (0.86, 1.27)
Internalizing Problems (Ref: Low)
Moderate	-	-	1.23 (1.03, 1.48)^*	1.22 (1.01, 1.48)^*	1.22 (1.01, 1.49^*)
High	-	-	1.53 (1.27, 1.85)^*	1.44 (1.17, 1.76)^*	1.41 (1.14, 1.73)^*
Externalizing Problems (Ref: Low)
Moderate	-	-	1.44 (1.18, 1.75)^*	1.33 (1.08, 1.64)^*	1.37 (1.11, 1.70)^*
High	-	-	1.91 (1.57, 2.31)^*	1.52 (1.23, 1.88)^*	1.53 (1.23, 1.89)^*
Social Networking Account Use (Ref: No social networking account)
Monthly or less often	-	-	1.26 (0.85, 1.88)	1.42 (0.92, 2.20)	1.43 (0.92, 2.24)
Weekly	-	-	1.26 (0.85, 1.87)	1.25 (0.82, 1.91)	1.23 (0.80, 1.90)
Daily	-	-	1.24 (0.87, 1.75)	1.25 (0.85, 1.84)	1.24 (0.84, 1.84)
Several times a day	-	-	1.32 (0.96, 1.83)	1.22 (0.86, 1.75)	1.26 (0.88, 1.81)
Regularly Used Smart Phone (Ref: No)	-	-	1.12 (0.95, 1.31)	1.09 (0.91, 1.29)	1.10 (0.92, 1.31)
Other Substance Use (Ref: No)
1	-	-	-	1.33 (1.08, 1.64)^*	1.35 (1.09, 1.67)^*
≥2	-	-	-	1.69 (1.17, 2.44)^*	1.65 (1.14, 2.38)^*
Close Contact with a Smoker Within the Past Week (Ref: No)	-	-	-	1.65 (1.43, 1.92)^*	1.60 (1.37, 1.85)^*
Lives with Tobacco User (Ref: No)	-	-	-	1.03 (0.88, 1.19)	1.03 (0.88, 1.20)
Received Tobacco Discount Coupon or Promotion by Mail (Ref: No)	-	-	-	3.00 (1.80, 4.98)^*	2.73 (1.58, 4.70)^*
Received Tobacco-Related Information by Mail (Ref: No)	-	-	-	4.92 (1.92, 12.63)^*	4.55 (1.79, 11.59)^*
Tobacco Use Status (Ref: Never, Non-Susceptible)
Never, Susceptible	-	-	-	1.83 (1.54, 2.17)^*	1.74 (1.47, 2.07)^*
Ever Tobacco Use, Not Past Year	-	-	-	1.45 (1.12, 1.89))^*	1.28 (0.98, 1.67)
Past Year Tobacco Use	-	-	-	2.21 (1.77, 2.76)^*	2.02 (1.61, 2.53)^*
Engagement with Online Tobacco Marketing at Wave 1 (Ref: No)	-	-	-	-	3.35 (2.72, 4.11)^*

Note: aOR=adjusted odds ratio; CI=confidence interval; Ref=reference.

1 The number of adolescent respondents indicating school ungraded fell below reporting requirements for PATH Restricted Use File. Thus, this category was combined with Mostly As.

p<0.05.