Descriptive information of the study population, per year
| N | Women, % | Mean age (SD) | Quit ratio* | Education† | Occupation‡ | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Low, % | Middle, % | High, % | Low, % | High, % | Self, % | Other, % | |||||
| 1987§ | 4181 | 41.3 | 43.0 (16.4) | 0.358 | 44.2 | 36.9 | 18.9 | 22.8 | 26.3 | 5.5 | 45.4 |
| 1988§ | 3902 | 41.9 | 43.4 (16.4) | 0.339 | 42.4 | 36.8 | 20.8 | 21.8 | 25.3 | 6.3 | 46.5 |
| 1989§ | 8402 | 43.5 | 44.0 (16.6) | 0.382 | 38.1 | 39.3 | 22.5 | 17.5 | 29.6 | 6.2 | 46.7 |
| 1990§ | 4378 | 41.9 | 42.9 (16.3) | 0.388 | 37.8 | 40.6 | 21.6 | 21.4 | 30.0 | 6.8 | 41.8 |
| 1992§ | 4392 | 40.7 | 44.3 (16.3) | 0.409 | 35.5 | 41.8 | 22.8 | 18.2 | 30.7 | 8.2 | 42.9 |
| 1994§ | 4540 | 42.6 | 44.0 (15.8) | 0.402 | 32.8 | 45.1 | 22.1 | 18.6 | 30.5 | 6.8 | 44.1 |
| 1995 | 5755 | 43.7 | 44.8 (16.1) | 0.441 | 29.4 | 44.1 | 26.5 | 17.7 | 32.3 | 6.9 | 43.1 |
| 2002 | 6075 | 48.9 | 45.2 (16.1) | 0.388 | 25.5 | 47.2 | 27.3 | 18.6 | 33.4 | 6.0 | 42.0 |
| 2005 | 5213 | 49.2 | 48.3 (16.4) | 0.490 | 25.8 | 43.7 | 30.5 | 14.0 | 33.7 | 5.4 | 46.9 |
| 2006 | 5408 | 48.7 | 49.2 (16.6) | 0.501 | 26.1 | 44.6 | 29.3 | 13.7 | 35.7 | 6.1 | 44.5 |
| 2009 | 5788 | 46.6 | 50.0 (16.8) | 0.501 | 25.7 | 44.0 | 30.3 | 15.2 | 33.7 | 4.7 | 46.5 |
| 2012 | 5703 | 45.5 | 50.9 (16.8) | 0.506 | 23.4 | 43.9 | 32.7 | 13.3 | 31.5 | 5.3 | 49.9 |
| Total | 63 737 | 44.8 | 46.0 (16.6) | 0.428 | 31.7 | 42.5 | 25.8 | 17.6 | 31.3 | 6.1 | 45.1 |
*Quit ratio=former smokers/(former smokers+current smokers).
†Education=age in years when finished/stopped full-time education: low ≤15 years, middle–high=16–19 years, high ≥20 years.
‡Occupation=occupational class: low=manual workers, high=non-manual workers, self=self-employed workers, other=other workers, students and those not gainfully employed.
§Data for Austria, Finland and Sweden were only available from 1995 onwards.