China (n=6575) | Malaysia (n=2883) | ||||
---|---|---|---|---|---|
Variable | Value | Freq | Per cent | Freq | Per cent |
City (China only) | Beijing | 961 | 14.6 | – | – |
Shenyang | 1257 | 19.1 | – | – | |
Shanghai | 968 | 14.7 | – | – | |
Changsha | 1037 | 15.8 | – | – | |
Guangzhou | 1197 | 18.2 | – | – | |
Yinchuan | 1155 | 17.6 | – | – | |
Cohort | Recruited in Wave 1 | 4795 | 72.9 | 939 | 32.6 |
Recruited in Wave 2 | 920 | 14.0 | 438 | 15.2 | |
Recruited in Wave 3 | 860 | 13.1 | 749 | 26.0 | |
Recruited in Wave 4 | – | – | 757 | 26.3 | |
Sex | Male | 6221 | 94.6 | 2847 | 98.8 |
Female | 354 | 5.4 | 36 | 1.2 | |
Age group | 18–24 | 91 | 1.4 | 914 | 31.7 |
25–39 | 1134 | 17.2 | 919 | 31.9 | |
40–54 | 3167 | 48.2 | 701 | 24.3 | |
55+ | 2183 | 33.2 | 309 | 10.7 | |
Not stated | – | – | 40 | 1.4 | |
Income | Low | 1227 | 18.7 | 766 | 26.6 |
Medium | 2888 | 43.9 | 806 | 28.0 | |
High | 1969 | 29.9 | 749 | 26.0 | |
Not stated | 491 | 7.5 | 562 | 19.5 | |
Education | Low | 839 | 12.8 | 390 | 13.5 |
Medium | 4282 | 65.1 | 2188 | 75.9 | |
High | 1431 | 21.8 | 244 | 8.5 | |
Not stated | 23 | 0.3 | 61 | 2.1 | |
Smoking status | Daily | 6152 | 93.6 | 2704 | 93.8 |
Weekly | 423 | 6.4 | 179 | 6.2 | |
Cigarettes per day | 0–10 cigs | 2379 | 36.2 | 1360 | 47.2 |
11–20 cigs | 3177 | 48.3 | 1270 | 44.1 | |
21–30 cigs | 528 | 8.0 | 124 | 4.3 | |
31+ cigs | 454 | 6.9 | 57 | 2.0 | |
Not stated | 37 | 0.6 | 72 | 2.5 | |
Time to first cigarette | 61+ min | 1738 | 26.4 | 551 | 19.1 |
31–60 min | 941 | 14.3 | 634 | 22.0 | |
6–30 min | 1631 | 24.8 | 733 | 25.4 | |
≤5 min | 1805 | 27.5 | 512 | 17.8 | |
Not stated | 460 | 7.0 | 453 | 15.7 | |
Intention to quit | Yes | 1020 | 15.5 | 393 | 13.6 |
No | 4867 | 74.0 | 2277 | 79.0 | |
Not stated | 688 | 10.5 | 213 | 7.4 |