Table 1.
Selected characteristics according to postmenopausal hormone use in the Nurses’ Health Study, 1994.
Postmenopausal Hormone Use
|
|||
---|---|---|---|
None | Past | Current | |
N participants | 20856 | 14196 | 29440 |
Mean age, yr | 61.3 | 63.7 | 59.9 |
Body mass index, kg/m2 | 27.1 | 26.6 | 25.8 |
physical activity, METS/week* | 20.0 | 19.4 | 20.9 |
Family history of colorectal in first degree relatives, % | 2.8 | 3.7 | 4.2 |
History of colorectal polyps, % | 2.4 | 3.8 | 3.2 |
Sigmoidoscopy or colonoscopy, % | 12.0 | 18.4 | 18.5 |
Current smoking, % | 15.9 | 12.4 | 10.7 |
Age at menopause, yr | 50.4 | 48.6 | 48.8 |
Hysterectomy, % | 15.4 | 44.8 | 53.4 |
Aspirin use (≥1 tab/week), % | 45.3 | 48.3 | 46.9 |
Multivitamin use, % | 33.8 | 37.7 | 41.9 |
Alcohol intake, g/day | 4.8 | 5.0 | 5.2 |
Fiber intake, mg/day | 18.9 | 19.6 | 19.6 |
Vitamin D intake, IU/day | 382.3 | 405.3 | 418.6 |
METS are metabolic equivalents which were calculated based on the frequency of a range of physical activities.