Table 2. Baseline characteristics of participants by later development of CP/CPPS symptoms in HPFS in 1986.
| CP/CPPS (NIH-CPSI pain score)* | ||
|---|---|---|
|
|
||
| Noncases (0–7) | Cases (8 or greater) | |
| No. participants | 19,138 | 653 |
| Mean age | 50.7 | 51.1 |
| No. race/ethnicity (%): | ||
| White | 94.3 | 93.6 |
| Black | 0.6 | 0.4 |
| Asian | 1.5 | 1.5 |
| Other | 3.6 | 4.5 |
| Mean BMI (kg/m2) | 25.3 | 25.5 |
| Mean waist circumference (in) | 37.0 | 37.3 |
| Mean waist-to-hip ratio | 0.93 | 0.94 |
| No. cigarette smoking (%): | ||
| Current | 7.5 | 7.1 |
| Past | 40.7 | 43.0 |
| Never | 51.8 | 49.9 |
| Mean daily dietary intake: | ||
| Alcohol (gm) | 11.1 | 10.2 |
| Red meat (No. servings) | 0.6 | 0.6 |
| Fish (No. servings) | 0.4 | 0.4 |
| Vegetables (No. servings) | 3.7 | 3.6 |
| Fruit (No. servings) | 2.4 | 2.2 |
| % Hypertension | 15.9 | 17.8 |
| Physical activity (MET-hrs/wk) | 22.1 | 18.0 |
*
All variables except age are standardized to age.