Table 1 Demographic characteristics and tobacco-related factors of 547 male smokers in two groups
|  | FC (N = 149) | FCF (N = 398) | P-value |
|---|---|---|---|
Demographic characteristics | Â | Â | Â |
Age (years) mean(SD) | 41.1(10.2) | 41.0(11.5) | 0.89 |
Age (years) number (%) | N (%) | N (%) | Â |
  < 31 | 22 (14.8) | 78 (19.6) | 0.26 |
 31–40 | 48 (32.2) | 126 (31.7) |  |
 41–50 | 54 (36.2) | 114 (28.6) |  |
  > 50 | 25 (16.8) | 80 (20.1) |  |
Marital status | Â | Â | Â |
 Married | 134 (89.9) | 345 (86.7) | 0.31 |
 Single or divorced | 15 (10.1) | 53 (13.3) |  |
Education | Â | Â | Â |
 College and above | 93 (62.4) | 232 (58.3) | 0.38 |
 High school and below | 56 (37.6) | 166 (41.7) |  |
Occupation | Â | Â | Â |
 Currently employed | 118 (79.2) | 318 (79.9) | 0.86 |
 Student/unemployed/retired/others | 31 (20.8) | 80 (20.1) |  |
Family income per month (Yuan, U.S.$1 = 6 Yuan) |  |  |  |
  < 3000 | 58 (38.9) | 145 (36.4) | 0.70 |
 3000 ~ 6000 | 37 (24.8) | 113 (28.4) |  |
  > 6000 | 54 (36.2) | 140 (35.2) |  |
Tobacco related factors | Â | Â | Â |
Age at initiation of smoking (years) | Â | Â | Â |
  < 18 | 48 (32.2) | 135 (33.9) | 0.71 |
  ≥ 18 | 101 (67.8) | 263 (66.1) |  |
Cigarettes smoked on average daily (cig/d) | Â | Â | Â |
  ≥ 20 | 96 (64.4) | 241 (60.6) | 0.70 |
 10–19 | 40 (26.8) | 117 (29.4) |  |
 <10 | 13 (8.7) | 40 (10.1) |  |
Smoking duration (years) | Â | Â | Â |
  < 20 | 59 (39.6) | 175 (44.0) | 0.36 |
 ≥20 | 90 (60.4) | 223 (56.0) |  |
Prior attempts to quit smoking | Â | Â | Â |
 0 | 33 (22.1) | 102 (25.6) | 0.40 |
  ≥ 1 | 116 (77.9) | 296 (74.4) |  |
Fagerström test score |  |  |  |
 Severe (6–10) | 65 (43.6) | 181 (45.5) | 0.41 |
 Moderate (4–5) | 42 (28.2) | 91 (22.9) |  |
 Low (0–3) | 42 (28.2) | 126 (31.7) |  |
Exhaled CO level at first visit (mean:12Â ppm) | Â | Â | Â |
  ≥ 12 | 69 (46.3) | 193 (48.5) | 0.65 |
  < 12 | 80 (53.7) | 205 (51.5) |  |
Stage of quitting smoking | Â | Â | Â |
 Contemplation | 43 (28.9) | 91 (22.9) | 0.35 |
 Preparation | 51 (34.2) | 146 (36.7) |  |
 Action | 55 (36.9) | 161 (40.5) |  |
Perceived importance of quitting (mean score:86) | Â | Â | Â |
  < 86 | 63 (42.3) | 165 (41.5) | 0.86 |
  ≥ 86 | 86 (57.7) | 233 (58.5) |  |
Perceived difficulty in quitting (mean score:73) | Â | Â | Â |
  ≥ 73 | 108 (72.5) | 209 (52.5) | <0.001 |
  < 73 | 41 (27.5) | 189 (47.5) |  |
Perceived confidence in quitting (mean score:68) | Â | Â | Â |
  < 68 | 65 (43.6) | 184 (46.2) | 0.59 |
  ≥ 68 | 84 (56.4) | 214 (53.8) |  |
Expenditure on cigarettes per day, Yuan (mean:20) | Â | Â | Â |
  < 20 | 76 (51.0) | 185 (46.5) | 0.35 |
  ≥ 20 | 73 (49.0) | 213 (53.5) |  |
Willingness to pay for quitting, Yuan (mean:2000) | Â | Â | Â |
  < 2000 | 89 (59.7) | 198 (49.7) | 0.04 |
  ≥ 2000 | 60 (40.3) | 200 (50.3) |  |
Perceived health status at the first visit | Â | Â | Â |
 Fair / poor / very poor | 93 (62.4) | 270 (67.8) | 0.23 |
 Very good / good | 56 (37.6) | 128 (32.2) |  |
Number of other smokers in household | Â | Â | Â |
 0 | 123 (82.6) | 323 (81.2) | 0.71 |
  ≥ 1 | 26 (17.4) | 75 (18.8) |  |
Medical advice to quit | 48 (32.2) | 139 (34.9) | 0.55 |
Had doctor diagnosed tobacco related chronic diseases | 75 (50.3) | 215 (54.0) | 0.44 |
Current drinkers | 106 (71.1) | 274 (68.8) | 0.60 |