Table 2.
Distribution of GGT, BMI and age over drinking categories (in glasses per week), for males and females
| Drinking level category | N (%) | Mean GGTa (SD) | Mean BMI (SD) | Mean age (SD) | |
|---|---|---|---|---|---|
| Males | <1 glass p/wk | 340 (15.0%) | 35.7 (29.0) | 26.2 (4.6) | 47.5 (15.4) |
| 1-5 glasses p/wk | 701 (30.9%) | 34.0 (20.7) | 25.5 (3.6) | 46.3 (15.7) | |
| 6-10 glasses p/wk | 506 (22.3%) | 38.4 (44.8) | 25.4 (3.4) | 46.8 (15.6) | |
| 11-20 glasses p/wk | 511 (22.6%) | 45.7 (41.0) | 25.6 (3.2) | 48.1 (15.3) | |
| 21-40 glasses p/wk | 180 (7.9%) | 55.0 (58.7) | 25.8 (3.3) | 48.2 (15.1) | |
| >40 glasses p/wk | 28 (1.2%) | 66.4 (78.8) | 24.6 (3.3) | 45.9 (15.1) | |
| Females | <1 glass p/wk | 1,580 (37.6%) | 25.8 (31.5) | 25.4 (4.9) | 42.8 (13.5) |
| 1-5 glasses p/wk | 1,463 (34.8%) | 24.7 (17.0) | 24.7 (4.3) | 43.1 (13.5) | |
| 6-10 glasses p/wk | 630 (15.0%) | 25.4 (16.3) | 24.5 (3.8) | 45.9 (13.5) | |
| 11-20 glasses p/wk | 445 (10.6%) | 32.6 (38.5) | 24.6 (4.0) | 48.9 (13.2) | |
| 21-40 glasses p/wk | 77 (1.8%) | 64.2 (109.0) | 25.3 (3.4) | 51.3 (10.4) | |
| >40 glasses p/wk | 4 (.1%) | 76.3 (119.8) | 25.9 (3.3) | 39.6 (12.4) | |
a
untransformed values for alcohol in grams/day and GGT