Table 1.
Baseline characteristics of 34 141 women in the Swedish Mammography Cohort in 1997 by alcohol status and number of glasses of alcohol consumed per week
| Characteristic | Alcohol status | No of glasses of alcohol/week | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Never (n=4290) | Former (n=1340) | Occasional drinkers (n=16 733)* | Regular drinkers (n=11 778)† | <1 or never (n=12 488) | 1-2 (n=5319) | >2-4 (n=6508) | >4 (n=7497) | ||
| Mean (SD) age (years) | 67.3 (8.8) | 64.7 (9.4) | 61.3 (8.9) | 58.8 (8.1) | 64.2 (9.2) | 61 (8.8) | 59 (8.1) | 57.7 (7.5) | |
| No (%) nulliparous | 499 (11.9) | 153 (11.6) | 1483 (9) | 1045 (8.9) | 1249 (10.3) | 464 (8.8) | 577 (8.9) | 637 (8.6) | |
| No (%) current smokers | 342 (8.1) | 334 (25.6) | 3876 (24.5) | 3178 (27.5) | 2008 (16.4) | 1195 (22.9) | 1605 (25) | 2350 (31.7) | |
| Mean (SD) alcohol intake (No of glasses/month): | |||||||||
| Beer | — | — | 1.1 (1.2) | 6.3 (8.2) | 0.7 (2.2) | 2.1 (4.1) | 3.3 (4.5) | 6.4 (8.3) | |
| Wine | — | — | 1.6 (1.3) | 7.6 (7.7) | 0.7 (1.3) | 2.2 (2) | 4.1 (2.8) | 8.8 (8.4) | |
| Liquor | — | — | 0.5 (0.7) | 2.1 (4.1) | 0.2 (0.9) | 0.6 (1.2) | 1.1 (1.8) | 2.6 (4.3) | |
*Occasional drinkers ≤2 glasses of alcohol/week.
†Regular drinkers >2 glasses of alcohol/week.