n = 116 395 (%) | 111 952 (96) | 4443 (4) |
Median age at enrolment (years) | 58 | 56 |
White (%) | 96 | 98 |
| | |
Educational level (%) | | |
<High school | 13 | 30 |
High school graduate | 19 | 27 |
Some college | 29 | 26 |
College graduate | 20 | 9 |
Graduate school | 18 | 6 |
| | |
Current alcohol consumption (%) | | |
Non-drinker | 13 | 16 |
<1 drink/day | 15 | 10 |
1 drink/day | 8 | 5 |
2–3 drinks/day | 12 | 8 |
⩾4+ drinks/day | 7 | 6 |
| | |
Amount of exercise (%) | | |
None/slight | 25 | 16 |
Moderate | 64 | 67 |
Heavy | 10 | 17 |
| | |
Aspirin use (%) | 57 | 57 |
Currently employed (%) | 70 | 67 |
Blue-collar occupation (%) | 23 | 45 |
Mean body mass index (kg/m2) | 26.1 | 26.2 |
Mean weekly vegetable/fruit intake | 18 | 16 |
Mean weekly dietary fat consumption | 282 | 310 |
| | |
Prevalent disease at enrolment (%) | | |
Cancer | 6 | 5 |
Heart disease or diabetes | 18 | 19 |
Stroke | 2 | 2 |
Chronic bronchitis/emphysema | 6 | 10 |
Any of the above | 27 | 30 |