BD1NEW.REC
975 records of 15 bytes each
Source: Tuyns, 1977; Breslow & Day, 1980
Data definition table
| Variable | Type | Len | Description |
| AGE | Integer | 1 | Age groups (in years) 1 = 25 - 34 2 = 35 - 44 3 = 45 - 54 4 = 55 - 64 5 = 65 - 74 6 = 75+ |
| ALC | Integer | 1 | Alcohol consumption (grams
per day) 1 = 0 - 39 2 = 40 - 79 3 = 80 - 119 4 = 120+ |
| TOB | Integer | 1 | Tobacco consumption (grams
per day) 1 = 0 - 9 2 = 10 - 19 3 = 20 - 29 4 = 30+ |
| ALCHIGH | Alpha | 10 | Alcohol consumption
dichotomized as: 1 = 80+ gms/day 2 = < 80 gms/day |
| CASE | Integer | 1 | Esophageal cancer: 1 = case 2 = control |
| TOBHIGH | Alpha | 10 | Tobacco consumption
dichotomized: 1 = 20+ gms/day 2 = < 20 gms/day |