| China (%) (n = 4763) | Thailand (%) (n = 2000) | Australia (%) (n = 1767) | USA (%) (n = 1780) | |
| Gender (male) | 95.9 | 95.5 | 54.0 | 53.9 |
| Age: | ||||
| 18–24 | 1.9 | 6.7 | 11.5 | 13.2 |
| 25–39 | 18.0 | 24.5 | 37.0 | 31.4 |
| 40–54 | 47.6 | 41.1 | 34.5 | 36.9 |
| 55+ | 32.4 | 27.7 | 16.9 | 18.5 |
| Education:* | ||||
| Low | 13.7 | 75.0 | 62.7 | 45.9 |
| Moderate | 66.3 | 17.5 | 22.8 | 36.6 |
| High | 20.0 | 7.5 | 14.5 | 17.6 |
| Income: | ||||
| Low | 20.8 | 54.6 | 28.1 | 36.9 |
| Moderate | 48.8 | 30.4 | 33.8 | 34.6 |
| High | 30.4 | 15.0 | 38.1 | 28.5 |
| Cigarettes per day: | ||||
| 0–10 | 35.0 | 55.7 | 27.8 | 31.7 |
| 11–20 | 48.7 | 36.9 | 42.4 | 46.3 |
| 21+ | 16.3 | 7.4 | 29.8 | 22.0 |
| Type of cigarettes smoked: | ||||
| Factory-made only | 93.8 | 41.8 | 74.8 | 90.0 |
| Roll your own only | 1.1 | 32.9 | 11.8 | 1.5 |
| Both | 5.1 | 25.3 | 13.4 | 8.4 |
Relative levels were used for education and income across countries.
*Education in China and Thailand: low, no schooling/elementary; moderate, middle school (secondary); high, tertiary (college or higher). Education in Australia and the US: low levels of education were considered to be completed high school or less; moderate levels were considered to be technical/trade/some university (no degree in Australia, and community college/trade/technical school/some university (no degree) in the US; high levels were those who completed university and/or postgraduate degrees.