Table 2.
Pretreatment Characteristics of High- and Low-Depression Prone Participants
| Low DPI (n=48) | High DPI (n=50) | t (96) (X2) [U] | P | |
|---|---|---|---|---|
| Demographics | ||||
| Mean (SD) Years of Age | 43.48 (12.60) | 41.82 (13.00) | 0.64 | .52 |
| % female | 54 | 48 | 0.37 | .54 |
| Race: % Caucasian | 54 | 76 | (5.91) | .02 |
| % African American | 40 | 18 | ||
| % Asian American | 0 | 4 | ||
| % other | 6 | 2 | ||
| Ethnicity: % Hispanic | 6 | 12 | (0.97) | .32 |
| Employment: % employed fulltime | 56 | 54 | (0.05) | .82 |
| Smoking: Current | ||||
| Mean (SD) cigarettes per day | 17.77 (6.07) | 17.80 (10.23) | 0.02 | .99 |
| Nicotine dependence (FTND Mean (SD)) | 4.67 (2.14) | 4.62 (2.56) | 0.10 | .92 |
| Smoking and Quitting History | ||||
| Mean (SD) years of smoking | 24.80 (13.19) | 22.12 (13.57) | 0.99 | .32 |
| Median (25%ile, 75%ile) prior quit attempts | 2 (1, 5) | 3 (2, 5) | [883.5] | .13 |
| Median (25%ile, 75%ile) days longest prior quit | 30 (21, 210) | 112 (30, 364) | [811.5] | .16 |
| Ever taken antidepressant medication (%) | 35 | 62 | (6.92) | .008 |
Note. FTND = Fagerstrom Test for Nicotine Dependence; Low DPI = Depression Proneness Inventory ≤ 31 at pretreatment; High DPI = Depression Proneness Inventory ≥ 32 at pretreatment; U = Mann-Whitney U test statistic.