Table 1.
Socio-demographic and smoking-related characteristics of smokers who were followed up and lost to follow-up
| Followed up (n=3863) | Not followed up (n=869) | p-value for chi-square tests (Followed vs Not- followed) | |||
|---|---|---|---|---|---|
| n | %Followed-up | n | %NOT followed-up | ||
| City | 0.000 | ||||
| Beijing | 710 | 18.4 | 75 | 8.6 | |
| Shenyang | 583 | 15.1 | 198 | 22.8 | |
| Shanghai | 703 | 18.2 | 81 | 9.3 | |
| Changsha | 648 | 16.8 | 152 | 17.5 | |
| Guangzhou | 560 | 14.5 | 231 | 26.6 | |
| Yinchuan | 659 | 17.1 | 132 | 15.2 | |
| Gender (male) | 3671 | 95.0 | 830 | 95.5 | 0.55 |
| Age at recruitment | 0.000 | ||||
| 18–24 | 34 | .9 | 22 | 2.5 | |
| 25–39 | 602 | 15.6 | 190 | 21.9 | |
| 40–54 | 1895 | 49.1 | 419 | 48.2 | |
| 55+ | 1332 | 34.5 | 238 | 27.4 | |
| Education | 0.000 | ||||
| Low | 526 | 13.6 | 94 | 10.9 | |
| Moderate | 2563 | 66.4 | 535 | 61.8 | |
| High | 773 | 20.0 | 236 | 27.3 | |
| Income | 0.001 | ||||
| Low | 785 | 20.3 | 140 | 16.1 | |
| Moderate | 1749 | 45.3 | 383 | 44.1 | |
| High | 1071 | 27.7 | 261 | 30.1 | |
| Don’t know | 256 | 6.6 | 84 | 9.7 | |
| Majority (Han) | 3664 | 94.8 | 833 | 95.9 | 0.22 |
| Daily/weekly smokers | 0.64 | ||||
| Daily smokers | 3613 | 93.5 | 809 | 93.1 | |
| Weekly smokers | 250 | 6.5 | 60 | 6.9 | |
| Cigarettes per day | 0.17 | ||||
| <=10 CPD* | 1313 | 34.0 | 327 | 37.6 | |
| 11–20 CPD | 1892 | 49.0 | 415 | 47.8 | |
| 21–30 CPD | 342 | 8.9 | 63 | 7.2 | |
| 31+ CPD | 296 | 7.7 | 58 | 6.7 | |
| Don’t known | 20 | .5 | 6 | .7 | |
| Time to first cigarette | 0.17 | ||||
| 61 minutes or more/don’t know | 1255 | 32.5 | 312 | 35.9 | |
| 31–60 minutes | 548 | 14.2 | 127 | 14.6 | |
| 6–30 minutes | 954 | 24.7 | 207 | 23.8 | |
| <=5 minutes | 1106 | 28.6 | 223 | 25.7 | |
| Intention to quit | 0.43 | ||||
| No intention | 2483 | 64.6 | 570 | 65.6 | |
| Beyond 6 months/don’t know | 819 | 21.3 | 167 | 19.2 | |
| Within 6 months | 235 | 6.1 | 62 | 7.1 | |
| Within 1 month | 307 | 8.0 | 70 | 8.1 | |
| Longest time quit | 0.62 | ||||
| Never tried | 1820 | 47.4 | 404 | 47.1 | |
| <1 month | 836 | 21.8 | 195 | 22.7 | |
| 1–6 months | 743 | 19.3 | 152 | 17.7 | |
| >6 months | 444 | 11.6 | 107 | 12.5 | |
| Tried to quit within last year | 641 | 16.8 | 143 | 16.8 | 0.99 |
| Self efficacy | 0.67 | ||||
| Not at all sure | 1644 | 42.6 | 360 | 41.4 | |
| Somewhat sure | 946 | 24.5 | 212 | 24.4 | |
| Very sure | 511 | 13.2 | 111 | 12.8 | |
| Extremely sure | 486 | 12.6 | 126 | 14.5 | |
| Don’t know | 274 | 7.1 | 60 | 6.9 | |
| Outcome expectancy | 0.48 | ||||
| Not at all | 775 | 20.1 | 169 | 19.4 | |
| Somewhat/don’t know | 1756 | 45.5 | 415 | 47.8 | |
| Very much | 1328 | 34.4 | 285 | 32.8 | |
| Worries about health | 0.36 | ||||
| Not at all | 1336 | 34.6 | 304 | 35.0 | |
| Somewhat/don’t know | 1839 | 47.6 | 395 | 45.5 | |
| Very much | 685 | 17.7 | 170 | 19.6 | |
| Enjoy smoking too much to quit | 0.36 | ||||
| Other | 1725 | 44.7 | 403 | 46.4 | |
| Agree | 2137 | 55.3 | 466 | 53.6 | |
| Overall opinion about smoking | 0.67 | ||||
| Other | 1819 | 47.1 | 423 | 48.7 | |
| Negative | 1477 | 38.2 | 319 | 36.7 | |
| Very negative | 566 | 14.7 | 127 | 14.6 | |
| Smoking restrictions at home | 0.58 | ||||
| Home bans | 411 | 10.6 | 771 | 88.7 | |
| No home bans | 3452 | 89.4 | 98 | 11.3 | |
*
CPD: cigarettes per day.