Characteristics of International Tobacco Four Country Survey (ITC-4) sample by country (n = 9058)
| Unweighted | Weighted | |||||||
|---|---|---|---|---|---|---|---|---|
| CAN | AUS | USA | UK | CAN | AUS | USA | UK | |
| *CPD, cigarettes per day. | ||||||||
| Sex | ||||||||
| Female | 54.3% | 52.7% | 55.2% | 56.6% | 45.8% | 44.5% | 46.4% | 49.8% |
| Male | 45.7% | 47.3% | 44.8% | 43.4% | 54.2% | 55.5% | 53.6% | 50.2% |
| Age | ||||||||
| 18–24 | 15.6% | 16.8% | 15.7% | 8.5% | 14.3% | 17.2% | 15.3% | 14.2% |
| 25–39 | 31.8% | 36.8% | 30.9% | 32.4% | 33.7% | 35.5% | 31.3% | 33.2% |
| 40–54 | 34.5% | 32.8% | 33.9% | 33.9% | 34.7% | 32.2% | 35.8% | 28.7% |
| 55+ | 18.1% | 13.5% | 19.6% | 25.2% | 17.3% | 15.1% | 17.6% | 24.0% |
| Education | ||||||||
| 12 years or less | 46.9% | 66.8% | 44.1% | 64.5% | 47.7% | 67.8% | 45.2% | 63.4% |
| More than 12 years | 53.1% | 33.2% | 55.9% | 35.5% | 52.3% | 32.2% | 54.8% | 36.6% |
| Ethnicity/language | ||||||||
| White/English only | 87.5% | 86.2% | 76.4% | 94.7% | 88.1% | 86.5% | 74.7% | 94.6% |
| Other/mixed | 12.5% | 13.8% | 23.6% | 5.3% | 11.9% | 13.5% | 25.3% | 5.4% |
| CPD* (SD) | 16.0 (9.6) | 17.9 (12.7) | 17.9 (11.7) | 16.7 (10.6) | 16.6 (9.7) | 18.7 (13.6) | 18.6 (11.8) | 17.0 (11.0) |