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. Author manuscript; available in PMC: 2023 Oct 2.
Published in final edited form as: Prev Med. 2019 Dec 6;131:105951. doi: 10.1016/j.ypmed.2019.105951

Table 1a.

Free sample receipt by demographic characteristics and coupon or promotion receipt among adults 18 years and older at Wave 2 (2014–2015) and Wave 3 (2015–2016).

Wave 2 (2014–2015) Wave 3 (2015–2016)
Free sample of any tobacco product in past 30 days Free sample of E-cigarette or E-liquid in past 30 days
Count (weighted %) [SE] 323 (0.8) [0.1] 624 (1.65) [0.09]
Weighted population 1,901,252 3,967,522
Total N (non-missing) 25,349 25,328
Weighted % (95%CI) Weighted % (95%CI)
Demographics (at wave 2)
Age
 18–24 0.8 (0.62, 1.0) 2.7 (2.3, 3.1)
 25–44 1.1 (0.87, 1.3) 2.2 (1.9, 2.6)
 45–64 0.8 (0.59, 1.0) 1.5 (1.2, 1.9)
 65+ 0.4 (0.19, 0.85) b 0.3 (0.09, 0.87) b
Gender
 Female 0.7 (0.58, 0.87) 1.4 (1.2, 1.7)
 Male 0.9 (0.72, 1.1) 2.0 (1.7, 2.3)
Race/ethnicity
 White, Non-Hispanic 0.7 (0.6, 0.89) 1.7 (1.5, 2.0)
 Black, Non-Hispanic 1.1 (0.92, 1.4) 1.8 (1.4, 2.3)
 Hispanic or Latino 0.9 (0.72, 1.3) 1.6 (1.3, 2.1)
 Other, Non-Hispanica 0.4 (0.2, 0.68) 1.1 (0.73, 1.6)
Sexual orientation
 Lesbian, gay, bisexual, something else 2.1 (1.4, 3.2) 2.6 (1.83, 3.7)
 Straight 0.7 (0.63, 0.90) 1.6 (1.5, 1.86)
Education
 Less than HS 1.2 (0.95, 1.6) 1.7 (1.2, 2.4)
 GED 1.1 (0.76, 1.6) 2.1 (1.6, 2.8)
 HS/diploma 1.0 (0.73, 1.3) 1.8 (1.5, 2.5)
 Some college, technical, associate degree 0.9 (0.69, 1.3) 2.1 (1.8, 2.5)
 Bachelor’s or more 0.3 (0.2, 0.38) 0.9 (0.73, 1.2)
Income
 Less than $25,000 1.4 (1.1, 1.7) 2.5 (2.2, 3.0)
 $25,000–49,999 0.8 (0.53, 1.2) 1.5 (1.2, 1.9)
 $50,000-$74,999 0.9 (0.58, 1.4) 1.7 (1.2, 2.2)
 ≥$75,000 0.3 (0.21, 0.43) 1.0 (0.7, 1.4)
Receipt of coupon or promotion in past 12 months
 Yes 4.8 (3.9, 5.8) 6.7 (5.9, 7.6)
 No 0.2 (0.17, 0.29) 0.8 (0.65, 0.94)

Note. The Wave 3 all-wave weights were used for the analyses presented in this table. Therefore, the individuals represented in this table had to be present at all three waves – Wave 1, Wave 2, and Wave 3. Bolded values indicate statistical significance (p < 0.05) based on a chi-square test.

a

Other race/ethnicity includes American Indian or Alaskan Native, Non-Hispanic; Asian, Non-Hispanic; Native Hawaiian or Other Pacific Islander, Non-Hispanic; or more than one race, Non-Hispanic.

b

Estimate has been flagged because it is statistically unreliable. It is based on a sample size of less than 50, or the coefficient of variation of the estimate is larger than 30%.