ABBREVIATIONS
- CI
Confidence interval
- CPD
Cigarettes per day
- CPS
Current population survey
- FDA
Food and Drug Administration
- FTND
Fagerström Test for Nicotine Dependence
- GED
General education development
- HSI
Heaviness of smoking index
- I2
Index of heterogeneity-attributable variance percent
- NHANES
National health and nutrition examination survey
- NHIS-CCS
National health interview survey - cancer control supplement
- NSDUH
National survey on drug use and health
- OR
Odds ratio
- p
Probability value
- RCT
Randomized controlled trial
- SES
Socioeconomic status
- TTFC
Time to first cigarette
- TUS
Tobacco use supplement
- TUS-CPS
Tobacco use supplement - current population survey