Table 1 Demographic characteristics and tobacco use parameters of smokers and non-smokers.
Demographic variables | Smokers | Non-smokers | P values |
|---|---|---|---|
N | 55 | 49 | — |
Age, years, mean ± SD | 39.4 (6.9) | 37.3 (8.0) | 0.154 |
Range, years | 26–54 | 25-56 | — |
Gender (male/female) | 55/0 | 49/0 | 1.000 |
Education years, mean ± SD | 13.6 ± 2.6a | 16.2 ± 4.5 | 0.001 |
Handedness, right/left (n) | 55/0 | 49/0 | 1.000 |
Age at start of smoking, mean ± SD | 20.4 ± 5.1 | — | — |
Smoking initiation age range (years) | 12–43 | — | — |
Smoking years, mean ± SD | 19.0 ± 6.1 | — | — |
Range, years | 8–38 | — | — |
Cigarettes per day | 23.5 ± 10.2 | — | — |
Range, cigarettes per day | 10–60 | — | — |
FTND scores | 5.2 ± 2.1 | — | — |
Range, FTND scores | 1–10 | — | — |
