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Table 1 Baseline characteristics of 750 study participants
| Characteristic | Total (n = 750) | PM (n = 250) | MDM (n = 249) | HDM (n = 251) |
|---|---|---|---|---|
| Demographic | ||||
| Age, mean (SD) | 47.2 (13.1) | 47.0 (13.4) | 48.2 (12.4) | 46.4 (13.5) |
| Female, counts (%) | 439 (58.5) | 144 (57.6) | 144 (57.8) | 151 (60.2) |
| Marital: Married/partners (vs. others), counts (%) | 504 (67.2) | 170 (68.0) | 167 (67.1) | 167 (66.5) |
| Education: High school or less, counts (%) | 385 (51.3) | 128 (51.2) | 129 (51.8) | 128 (51.0) |
| Annual income ≤ 40 K, counts (%)* | 453 (61.4) | 155 (63.0) | 151 (61.9) | 147 (59.3) |
| Child under 18 (vs. no), counts (%) | 294 (39.2) | 97 (38.8) | 89 (35.7) | 108 (43.0) |
| Child under 6 (vs. no), counts (%) | 106 (14.1) | 33 (13.2) | 31 (12.5) | 42 (16.7) |
| Smoking | ||||
| Cigarettes smoked per day (CPD), mean (SD) | 23.7 (10.4) | 24.3 (11.0) | 23.8 (10.3) | 22.9 (10.0) |
| Nicotine dependence (time to first cigarette): within 5 minutes after waking up, counts (%) | 285 (38.0) | 93 (37.2) | 103 (41.4) | 89 (35.5) |
| Number of friends that smoked: < 3 friends (vs. ≥ 3 friends), counts (%) | 289 (38.5) | 99 (39.6) | 95 (38.2) | 95 (37.9) |
| Partner smoked? counts (%) | 309 (41.2) | 110 (44.0) | 104 (41.7) | 95 (37.9) |
| Other smokers at home? counts (%) | 345 (46.0) | 119 (47.6) | 116 (46.6) | 110 (43.8) |
| Home smoking rules | ||||
| Not allowed, counts (%) | 204 (27.2) | 65 (26.0) | 67 (26.9) | 72 (28.7) |
| Allowed some place, counts (%) | 205 (27.3) | 70 (28.0) | 73 (29.3) | 62 (24.7) |
| No rules (reference) | ||||
| Psychosocial | ||||
| Motivation to quit score (MOT), mean (SD) | 8.6 (2.1) | 8.7 (2.0) | 8.6 (2.1) | 8.6 (2.0) |
| Confidence to quit score (CON), mean (SD) | 6.1 (2.7) | 5.9 (2.7) | 6.1 (2.8) | 6.3 (2.6) |
| Smoking Self-Efficacy total score, mean (SD) | 32.9 (10.7) | 31.7 (10.5) | 33.4 (11.0) | 33.6 (10.5) |
| Serious quit attempt (SQA), counts (%) | 180 (24.0) | 56 (22.4) | 60 (24.1) | 64 (25.5) |
