Table 1.
Baseline Characteristics of Pilot Sample
| Genetic feedback (n = 19) | Behavioral counseling (n = 17) | p value | |
|---|---|---|---|
| Demographics | |||
| Age (mean, SD) | 52.8 (8.6) | 49.4 (10.6) | .39 |
| Female (n, %) | 11 (63%) | 10 (58%) | .83 |
| Married (n, %) | 15 (88%) | 12 (75%) | .52 |
| High school education or greater (n, %) | 17 (100%) | 16 (100%) | 1.00 |
| Employed (n, %) | 17 (88%) | 15 (88%) | .95 |
| Genotype (n, %) | |||
| A1/A1 or A1/A2 | 4 (24%) | 6 (32%) | — |
| A2/A2 | 13 (76%) | 13 (68%) | .74 |
| Tobacco dependence and history | |||
| Nicotine dependence (FTND; mean, SD) (range: 0-8) | 4.3 (1.7) | 4.6 (1.5) | .63 |
| Cigarettes/day (mean, SD) | 16.5 (4.6) | 20.9 (10.1) | .13 |
| Previous quit attempts, past year (mean, SD) | 1.9 (1.8) | 0.9 (1.2) | .07 |
| Longest abstinent period (years; mean, SD) | 0.9 (1.2) | 0.9 (1.2) | .87 |
| Psychosocial measures (mean, SD) | |||
| Genetic literacy (Real-G; range: 0–8) | 7.1 (1.5) | 7.6 (0.6) | .18 |
| Numeracy (range: 0–3) | 1.8 (0.9) | 2.1 (0.8) | .44 |
| Risk perception (range: 4–20) | 16.7 (2.1) | 16.1 (2.6) | .47 |
| Threat minimization (range: 2–14) | 6.5 (3.5) | 8.8 (2.9) | .04 |
| Depression (CES-D; range: 0–60) | 5.3 (7.6) | 4.2 (3.9) | .62 |
| Motivation to quit (range: 1–7) | 5.7 (1.2) | 5.5 (1.5) | .64 |
| Intent to quit (range: 3–21) | 15.5 (5.1) | 15.3 (5.1) | .92 |
| Self-efficacy for quitting (range: 3–21) | 14.2 (4.0) | 13.4 (3.9) | .52 |
| Perceived control over quitting (range: 3–21) | 11.4 (4.0) | 11.8 (3.2) | .75 |
Note. CES-D = Center for Epidemiological Studies Depression Scale; FTND = Fagerström Test for Nicotine Dependence; SD = standard deviation. Ranges refer to range of possible scale scores.