Table 1 Baseline characteristic of 21,054 US male physicians according to nut consumption
From: Nut consumption and risk of atrial fibrillation in the Physicians' Health Study
Variables | Categories of nut consumption | ||||
|---|---|---|---|---|---|
Rarely/Never N = 4,273 | 1-3/month N = 7,654 | 1/week N = 4,965 | 2-6/week N = 3,617 | ≥ 7/week N = 545 | |
Age (years) | 55.4 ± 9.9 | 54.3 ± 9.4 | 54.3 ± 9.3 | 54.5 ± 9.3 | 55.9 ± 9.8 |
Body mass index (kg/m 2 ) | 24.8 ± 2.9 | 24.8 ± 2.8 | 24.9 ± 2.8 | 24.7 ± 2.6 | 24.1 ± 2.5 |
Randomized to ASA (%) | 50.4 | 49.9 | 49.2 | 50.6 | 50.6 |
Randomized to Beta-Carotene (%) | 50.6 | 49.9 | 50.2 | 49.2 | 50.5 |
Hypercholesterolemia (%) | 12.4 | 11.6 | 12.2 | 12.0 | 12.6 |
Hypertension (%) | 26.3 | 23.9 | 22.9 | 21.4 | 19.0 |
Physical activity | 67.2 | 71.9 | 74.6 | 75.5 | 77.1 |
[exercise to sweat ≥ 1 per week] (%) | |||||
Current smokers (%) | 12.4 | 10.9 | 10.5 | 10.4 | 11.8 |
Cereal intake [servings per week] | |||||
(%) | |||||
≤ 1 | 59.5 | 55.1 | 51.6 | 50.8 | 50.6 |
2-6 | 19.9 | 23.9 | 26.5 | 27.0 | 18.5 |
≥ 7 | 20.6 | 20.9 | 22.0 | 22.2 | 30.8 |
Fruit/vegetable (servings/week) | 16.4 ± 9.0 | 16.4 ± 8.6 | 16.9 ± 8.4 | 17.4 ± 8.4 | 18.8 ± 10.8 |
Peanut butter consumption (%) | |||||
Rarely/Never | 65.0 | 39.8 | 27.3 | 27.0 | 33.0 |
1-3/month | 14.5 | 31.4 | 23.9 | 18.2 | 22.7 |
1/week | 8.9 | 13.8 | 27.5 | 19.8 | 14.6 |
2-6/week | 9.3 | 12.5 | 19.0 | 30.8 | 15.7 |
≥ 7/week | 2.3 | 2.5 | 2.4 | 4.3 | 14.0 |
Current drinking (%) | 83.0 | 86.0 | 86.0 | 85.0 | 80.7 |
Diabetes mellitus (%) | 3.7 | 2.9 | 2.9 | 3.6 | 5.9 |
Congestive heart failure (%) | 0.2 | 0.1 | 0.1 | 0.1 | 0.0 |
Coronary heart disease (%) | 1.5 | 1.0 | 1.0 | 0.9 | 0.6 |