Table 2 Participant characteristics at baseline
Characteristic | Received medication | p a | Type of medication | p a | ||
|---|---|---|---|---|---|---|
No (n = 365) | Yes (n = 522) | Bupropion (n = 258) | Varenicline (n = 264) | |||
Female, n (%) | 196 (53.7) | 307 (58.8) | 0.130 | 150 (58.1) | 157 (59.5) | 0.758 |
Age (years), mean (SD) | 38.6 (12.0) | 44.2 (12.5) | <0.001 | 44.4 (12.2) | 44.0 (12.8) | 0.729 |
Education level below high school diploma, n (%) | 94 (25.9) | 117 (22.4) | 0.232 | 59 (22.9) | 58 (22.0) | 0.806 |
Annual household income ≤$20,000, n (%) | 164 (48.8) | 209 (42.9) | 0.095 | 116 (46.4) | 93 (39.2) | 0.111 |
Employed, n (%)b | 198 (54.2) | 274 (52.5) | 0.642 | 136 (52.7) | 138 (52.3) | 0.647 |
Geographic region, n (%) | Â | Â | 0.495 | Â | Â | 0.418 |
 Northern Ontario | 46 (12.6) | 50 (9.5) |  | 26 (10.0) | 24 (9.1) |  |
 Toronto | 23 (6.3) | 30 (5.7) |  | 19 (7.3) | 11 (4.2) |  |
 Central Ontario (excluding Toronto) | 147 (40.3) | 237 (45.2) |  | 109 (42.1) | 128 (48.3) |  |
 Eastern Ontario | 57 (15.6) | 76 (14.5) |  | 37 (14.3) | 39 (14.7) |  |
 Southwestern Ontario | 92 (25.2) | 131 (25.0) |  | 68 (26.3) | 63 (23.8) |  |
Cigarettes per day, n (%) | Â | Â | 0.365 | Â | Â | 0.764 |
 10–19 | 35.9 (131) | 32.2 (168) |  | 31.4 (81) | 33.0 (87) |  |
 20–29 | 51.0 (186) | 51.9 (271) |  | 51.6 (133) | 52.3 (138) |  |
 30+ | 13.2 (48) | 15.9 (83) |  | 17.1 (44) | 14.8 (39) |  |
Time to first cigarette in the morning ≤5 min, n (%) | 51.0 (186) | 46.0 (240) | 0.291 | 47.3 (122) | 44.7 (118) | 0.817 |
Years since started smoking daily, mean (SD) | 24.2 (12.0) | 29.9 (12.4) | <0.001 | 29.7 (12.1) | 30.0 (12.7) | 0.835 |
Fewer than three past quit attempts, n (%)c | 220 (60.3) | 270 (51.7) | 0.012 | 140 (54.3) | 118 (45.7) | 0.251 |
Confidence in quitting (1–10), mean (SD) | 7.5 (2.1) | 7.8 (2.1) | 0.019 | 7.8 (2.2) | 7.8 (2.0) | 0.865 |
Previous use of smoking cessation medication, n (%)d | 186 (51.0) | 284 (54.4) | 0.311 | 142 (55.0) | 142 (53.8) | 0.774 |
Longest period of previous abstinence from smoking <1Â week, n (%) | 115 (31.5) | 149 (28.5) | 0.342 | 75 (29.1) | 74 (28.0) | 0.793 |
All or most friends smoke, n (%) | 180 (49.3) | 164 (31.4) | <0.001 | 80 (31.0) | 84 (31.8) | 0.749 |
Lives with other smoker(s), n (%) | 219 (60.0) | 279 (53.4) | 0.053 | 140 (54.3) | 139 (52.7) | 0.712 |
History of drug or alcohol problem, n (%) | 55 (15.1) | 67 (12.8) | 0.342 | 40 (15.5) | 27 (10.2) | 0.072 |