Table 1.
Characteristics of African-American men by prostate cancer status in the NIH-AARP Diet and Health study (N = 7,949)
| Characteristic | Non cases | Prostate Cancer | Advanced Prostate Cancer |
|---|---|---|---|
| Individual-level characteristics, n | 6,860 | 1,089 | 108 |
| Age, yrs | 61.8 (.06) | 61.8 (.15) | 61.3 (.50) |
| BMI, kg/m2 | 28.1 (.06) | 27.9 (.14) | 27.7 (.44) |
| Family history of prostate cancer, % | 7.8 | 12.2* | 11.1 |
| History of diabetes, % | 19.2 | 14.7* | 14.8 |
| College graduate, % | 32.3 | 34.2 | 30.6 |
| Currently married, % | 70.7 | 74.8* | 77.8 |
| Smoking status, % | |||
| Never | 29.1 | 31.5 | 25.5 |
| Former ≥1 yr | 51.7 | 51.1 | 53.9 |
| Current or former <1 yr | 19.2 | 17.4 | 20.6 |
| Vigorous physical activity ≥5 times/wk, % | 17.5 | 18.0 | 17.6 |
| Use of ≥1 vitamin supplement/month, % | 48.2 | 49.8 | 46.3 |
| Self-perceived health, fair/poor % | 19.2 | 14.2* | 8.5* |
| Dietary intake | |||
| Energy, kcal/d | 2080 (12.7) | 2060 (31.9) | 2131 (113.5) |
| Alcohol, g/d | 13.7 (.48) | 15.6 (1.3) | 16.3 (4.2) |
| Cholesterol, mg/d | 242 (1.9) | 233 (4.7) | 258 (16.3) |
| Protein, g/d | 73.1 (.49) | 71.1 (1.2) | 73.8 (4.2) |
| Tomatoes, srv/1000 kcal | 0.25 (.003) | 0.24 (.01) | 0.24 (.02) |
| Fruit, srv/1000 kcal | 2.0 (.02) | 2.2 (.05)* | 2.0 (.13) |
| Vegetables, srv/1000 kcal | 1.8 (.01) | 1.8 (.04) | 1.9 (.12) |
| Saturated fat, g/1000 kcal | 10.2 (.04) | 9.9 (.09)* | 10.1 (.29) |
| α-Linolenic acid, g/1000 kcal | 0.71 (.003) | 0.70 (.01) | 0.74 (.03) |
| Total calcium, mg/d | 782 (4.4) | 786 (11.5) | 767 (34.5) |
| Total vitamin E, μg/d | 57.6 (1.1) | 57.3 (2.7) | 48.1 (7.7) |
Mean (SE) reported unless otherwise indicated.
*
= P<.05; Significance indicated for non-prostate cancer comparisons