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. Author manuscript; available in PMC: 2020 Mar 23.
Published in final edited form as: JAMA Netw Open. 2020 Feb 5;3(2):e1920961. doi: 10.1001/jamanetworkopen.2019.20961

Table 5.

Multivariable Associations With Current and Frequent Use of JUUL or e-Cigarettes Among 4183 High School Students, 2018 New Jersey Youth Tobacco Survey

Adjusted Prevalence Ratio of e-Cigarette or JUUL Use (95% CI)a
Factor Current Frequent
Sex
 Male 1 [Reference] 1 [Reference]
 Female 1.06 (0.94–1.19) 0.85 (0.67–1.09)
Grade
 9th 1 [Reference] 1 [Reference]
 10th 1.19 (1.00–1.42) 1.29 (0.80–2.04)
 11th 1.09 (0.93–1.27) 1.74 (1.11–2.72)
 12th 1.29 (1.11–1.48) 1.92 (1.23–3.01)
Race/ethnicity
 Non-Hispanic
  White 1 [Reference] 1 [Reference]
  Black 0.97 (0.81–1.16) 0.61 (0.36–1.05)
 Hispanic 0.78 (0.69–0.89) 0.47 (0.34–0.64)
 Non-Hispanic other race 0.64 (0.51–0.81) 0.56 (0.33–0.96)
Past-30-d use of any traditional tobacco productb
 Yes 2.57 (2.24–2.95) 3.40 (2.49–4.64)
 No 1 [Reference] 1 [Reference]
Like or follow a tobacco brand on social media, past 12 mo
 Yes 1.43 (1.19–1.72) 1.61 (1.13–2.28)
 No 1 [Reference] 1 [Reference]
Buy or receive tobacco-branded merchandise, past 12 mo
 Yes 1.70 (1.46–1.97) 2.92 (2.15–3.98)
 No 1 [Reference] 1 [Reference]
Friend(s) use JUUL
 Yes 3.81 (3.17–4.58) 5.09 (2.96–8.76)
 Not sure 2.15 (1.70–2.73) 2.17 (1.04–4.53)
 No 1 [Reference] 1 [Reference]
Seen JUUL on school grounds
 Yes 1.43 (1.24–1.65) 1.53 (1.06–2.21)
 No 1 [Reference] 1 [Reference]

Abbreviation: e-cigarette, electronic cigarette.

a

Adjusted prevalence ratio computed using average marginal predictions.

b

Cigarettes, cigars, smokeless (including snus), or hookah.