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. 2016 Apr 20;6(4):e010795. doi: 10.1136/bmjopen-2015-010795

Table 1.

Demographic characteristics and tobacco-related factors of 457 male smokers in two groups

FC (N=117) FCF (N=340) p Value
Demographic characteristics
Age (years)
Mean (SD)
41.2 (10.0) 41.0 (11.2) 0.865
Age (years)
Number (%)
N (%) N (%)
 <31 16 (13.7) 64 (18.8) 0.123
 31 to 40 36 (30.8) 113 (33.2)
 41 to 50 46 (39.3) 95 (27.9)
 >50 19 (16.2) 68 (20.0)
Marital status
 Married 104 (88.9) 297 (87.4) 0.662
 Single or divorced 13 (11.1) 43 (12.6)
Educational level
 College and above 74 (63.2) 201 (59.1) 0.431
 High school and below 43 (36.8) 139 (40.9)
Occupation
 Currently employed 91 (77.8) 277 (81.5) 0.384
 Student/unemployed/retired/others 26 (22.2) 63 (18.5)
Family income per month (Yuan, US$1=¥6)
 <3000 43 (36.8) 123 (36.2) 0.955
 3000 to 6000 31 (26.5) 95 (27.9)
 >6000 43 (36.8) 122 (35.9)
Tobacco-related factors
Age at initiation of smoking (years)
 <18 40 (34.2) 113 (33.2) 0.851
 ≥18 77 (65.8) 227 (66.8)
Cigarettes smoked on average daily (cig/day)
 ≥20 74 (63.2) 201 (59.1) 0.711
 10 to 19 33 (28.2) 104 (30.6)
 <10 10 (8.5) 35 (10.3)
Smoking duration (years)
 <20 46 (39.3) 153 (45.0) 0.285
 ≥20 71 (60.7) 187 (55.0)
Prior attempts to quit smoking
 0 27 (23.1) 84 (24.7) 0.723
 ≥1 90 (76.9) 256 (75.3)
Fagerström test score
 Severe (6–10) 53 (45.3) 148 (43.5) 0.569
 Moderate (4–5) 32 (27.4) 82 (24.1)
 Low (0–3) 32 (27.4) 110 (32.4)
Exhaled CO level at first visit (mean:12 ppm)
 ≥12 60 (51.3) 164 (48.2) 0.570
 <12 57 (48.7) 176 (51.8)
Stage of quitting smoking
 Contemplation 33 (28.2) 76 (22.4) 0.415
 Preparation 40 (34.2) 120 (35.3)
 Action 44 (37.6) 144 (42.4)
Perceived importance of quitting (mean score: 86)
 <86 47 (40.2) 139 (40.9) 0.893
 ≥86 70 (59.8) 201 (59.1)
Perceived difficulty in quitting (mean score: 73)
 ≥73 87 (74.4) 179 (52.6) <0.001
 <73 30 (25.6) 161 (47.4)
Perceived confidence in quitting (mean score: 67)
 <67 52 (44.4) 158 (46.5) 0.704
 ≥67 65 (55.6) 182 (53.5)
Expenditure on cigarettes per day, Yuan (mean: 20)
 <20 61 (52.1) 156 (45.9) 0.243
 ≥20 56 (47.9) 184 (54.1)
Perceived health status at the first visit
 Fair/poor/very poor 73 (62.4) 232 (68.2) 0.247
 Very good/good 44 (37.6) 108 (31.8)
Number of other smokers in household
 0 98 (83.8) 273 (80.3) 0.408
 ≥1 19 (16.2) 67 (19.7)
Medical advice to quit 36 (30.8) 123 (36.2) 0.290
Doctor-diagnosed tobacco-related chronic diseases 62 (53.0) 183 (53.8) 0.876
Current drinkers 82 (70.1) 228 (67.1) 0.545
Central obese 68 (58.1) 230 (67.6) 0.062
Overweight/obese 86 (73.5) 264 (77.6) 0.361

FC group, face-to-face counselling only; FCF group, face-to-face counselling plus follow-up telephone counselling.