Table 1.
Baseline Characteristics of Study Participants
| Characteristic | Total (n = 750) |
PM (n = 250) |
MDM (n = 249) |
HDM (n = 251) |
|---|---|---|---|---|
| Age, mean (SD), y | 47.2 (13.1) | 47.1 (13.4) | 48.2 (12.4) | 46.4 (13.5) |
| Female, No. (%) | 439 (58.5) | 144 (57.6) | 144 (57.8) | 151 (60.2) |
| ≤High school graduate, No. (%) | 385 (51.3) | 128 (51.2) | 129 (51.8) | 128 (51.0) |
| No. of cigarettes smoked per day, mean (SD) | 23.7 (10.4) | 24.3 (11.0) | 23.8 (10.3) | 22.9 (10.0) |
| Fagerström score, mean (SD)* | 5.2 (2.2) | 5.2 (2.2) | 5.2 (2.2) | 5.0 (2.1) |
| Previous use of bupropion, No. (%) | 245 (32.7) | 83 (33.2) | 74 (29.7) | 88 (35.1) |
| Previous use of nicotine replacement, No. (%) | 397 (52.9) | 128 (51.2) | 128 (51.4) | 141 (56.2) |
| Other smokers in household, No. (%) | 345 (46.0) | 119 (47.6) | 116 (46.6) | 110 (43.8) |
| Motivation to quit, mean (SD)† | 8.7 (2.1) | 8.7 (2.0) | 8.6 (2.2) | 8.6 (2.0) |
| Confidence to quit, mean (SD)† | 6.1 (2.7) | 5.9 (2.7) | 6.1 (2.8) | 6.3 (2.6) |
| Precontemplation stage of change, No. (%) | 65 (8.7) | 22 (8.8 | 20 (8.0) | 23 (9.2) |
| Contemplation stage of change, No. (%) | 457 (60.9) | 158 (63.2) | 153 (61.5) | 146 (58.2) |
| Preparation stage of change, No. (%) | 228 (30.4) | 70 (28.0) | 76 (30.5) | 82 (32.7) |
| Hypertension, No. (%) | 258 (34.4) | 95 (38.0) | 78 (31.3) | 85 (33.9) |
| Hyperlipidemia, No. (%) | 269 (35.9) | 91 (36.4) | 86 (34.5) | 92 (36.7) |
| Diabetes, No. (%) | 101 (13.5) | 43 (17.2) | 30 (12.1) | 28 (11.2) |
| Chronic lung disease, No. (%) | 202 (26.9) | 65 (26.0) | 73 (29.3) | 64 (25.5) |
| Heart disease, No. (%) | 73 (9.7) | 24 (9.6) | 29 (11.7) | 20 (8.0) |
| History of depression, No. (%) | 304 (40.5) | 107 (42.8) | 96 (38.6) | 101 (40.2) |
PM = pharmacotherapy management; MDM = moderate-intensity disease management; HDM = high-intensity disease management.
*
Fagerström test score for nicotine dependence ranges from 0 to 10. Scores of 6 or higher indicate greater levels of nicotine dependence.
†
Motivation and confidence to quit smoking scores range from 0 to 10