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. Author manuscript; available in PMC: 2024 Apr 1.
Published in final edited form as: Tob Control. 2021 Dec 1;32(e1):e10–e15. doi: 10.1136/tobaccocontrol-2021-056970

Table 3:

Results from Regressions of Past 30-Day Smoking on Demographics, Year, and Grade: Relative Risk Ratios and 95% Confidence Intervals in Parentheses

------------------ Type of Combustible Cigarette Smoked ------------------
Any Mentholated Nonmentholated

Race/Ethnicity
 Non-Hispanic Black 0.43** (0.36–0.50) 0.55** (0.45–0.68) 0.31** (0.24–0.40)
 Hispanic 0.62** (0.56–0.69) 0.67** (0.58–0.76) 0.58** (0.50–0.68)
 Other 0.80** (0.70–0.92) 0.87 (0.73–1.05) 0.75** (0.63–0.89)
 Non-Hispanic White Reference Reference Reference
Female 0.80** (0.75–0.86) 1.04 (0.95–1.14) 0.61** (0.55–0.68)
Parent has College Degree 0.63** (0.59–0.67) 0.57** (0.52–0.63) 0.69** (0.62–0.77)
Year of Surveya 0.86** (0.85–0.88) 0.85** (0.82–0.87) 0.88** (0.86–0.90)
School Grade
 Grade 8 0.31** (0.28–0.35) 0.34** (0.29–0.40) 0.29** (0.25–0.34)
 Grade 10 0.57** (0.52–0.63) 0.65** (0.57–0.74) 0.51** (0.45–0.58)
 Grade 12 Reference Reference Reference
Constant 0.29** (0.27–0.32) 0.13** (0.11–0.15) 0.16** (0.14–0.19)

Note: n=85,547

a

Year centered at 2012

*

p<.05

**

p<.01