Quantity of cigarettes smoked by smokers among several Western European countries between 1985 and 2000 (25–79 years of age)*
| Education level | Age standardised daily tobacco consumption (number of cigarettes or equivalent) | |||
|---|---|---|---|---|
| 1985 | 1990 | 1995 | 2000 | |
| *Adjusted by age and country. Countries included: Norway, Finland, UK, Germany, Italy, and Spain. | ||||
| Men | ||||
| 1 (low) | 14.88 | 15.33 | 15.49 | 15.50 |
| 2 | 14.01 | 15.49 | 14.73 | 14.30 |
| 3 | 14.15 | 14.88 | 14.15 | 13.60 |
| 4 (high) | 14.43 | 14.01 | 13.74 | 12.55 |
| RII (95% CI) | 1.48 (1.35 to 1.60) | 1.27 (1.16 to 1.39) | 1.43 (1.32 to 1.55) | 1.57 (1.38 to 1.77) |
| Women | ||||
| 1 (low) | 11.70 | 11.82 | 11.25 | 11.36 |
| 2 | 9.49 | 11.59 | 11.82 | 11.24 |
| 3 | 10.70 | 11.70 | 11.24 | 12.30 |
| 4 (high) | 9.03 | 10.38 | 10.18 | 9.97 |
| RII (95% CI) | 1.45 (1.28 to 1.65) | 1.43 (1.30 to 1.57) | 1.57 (1.43 to 1.70) | 1.40 (1.26 to 1.57) |