Table 1. Summary Statistics.
Variable | Mean/Proportion | Std Dev | Min | Max |
Tobacco Use (Binary) | 0.25 | 0 | 1 | |
Number of Cigarettes Daily | 3.73 | 8.76 | 0 | 140 |
Number of Cigarettes Daily (Among Smokers) | 15.2 | 11.78 | 1 | 140 |
Cotinine (ng/ml) | 68.41 | 139.29 | 0.35 | 1890 |
Age (years) | 42.83 | 17.09 | 17 | 90 |
Female | 0.52 | 0 | 1 | |
White Race | 0.75 | 0 | 1 | |
Black race | 0.10 | 0 | 1 | |
Hispanic ethnicity | 0.10 | 0 | 1 | |
Other Race | 0.05 | 0 | 1 | |
Education (years) | 12.52 | 3.06 | 0 | 17 |
Income ($1000 s) | 35.32 | 18.39 | 0 | 60 |
Married | 0.61 | 0 | 1 | |
Missing Information on Demographic Characteristics | 0.06 | 0 | 1 | |
State Level Tobacco Use Rate | 0.25 | 0.04 | 0.17 | 0.34 |
Cigarette Tax Level (cents per pack) | 24.53 | 11.34 | 2.0 | 56.0 |
SNP: | ||||
rs2304297 = = “CC” | 0.11 | 0 | 1 | |
rs2304297 = = “CG” | 0.38 | 0 | 1 | |
rs2304297 = = “GG” | 0.51 | 0 | 1 |
NHANES 1991–1994 Genetic Sample (N = 6,178).
Notes: Author’s calculations from NHANES Data. Sample weights used.