Table 1.
Selected characteristics of prostate cancer cases and controls
| Cases n (%) | Controls n (%) | p-Value | |
|---|---|---|---|
| Total | 1001 (100) | 942 (100) | |
| Age at reference date (years) | |||
| 35–54 | 201 (20.1) | 209 (22.2) | 0.49 |
| 55–64 | 402 (40.2) | 361 (38.3) | |
| 65–74 | 398 (39.8) | 372 (39.5) | |
| Race | |||
| Caucasian | 843 (84.2) | 844 (89.6) | <0.001 |
| African-American | 158 (15.8) | 98 (10.4) | |
| Family history of prostate cancer | |||
| No | 775 (77.4) | 833 (88.4) | <0.001 |
| Yes | 226 (22.6) | 109 (11.6) | |
| PSA screening within the past 5 years | |||
| None | 220 (22.0) | 240 (25.5) | <0.001 |
| 1–2 PSAs | 172 (17.2) | 168 (17.8) | |
| ≥3 PSAs | 546 (54.6) | 380 (40.3) | |
| Unknown | 63 (6.3) | 154 (16.4) | |
| BMI | |||
| Normal (<25) | 287 (28.7) | 259 (27.5) | 0.26 |
| Overweight (25–29.9) | 492 (49.2) | 444 (47.1) | |
| Obese (≥30) | 222 (22.2) | 239 (25.4) | |
| Income | |||
| <$50,000 | 322 (33.6) | 309 (33.7) | 0.96 |
| $50,000+ | 637 (66.4) | 608 (66.3) | |
| Education | |||
| High school only | 196 (19.6) | 181 (19.2) | 0.76 |
| Some college/vocational | 241 (24.1) | 210 (22.3) | |
| Bachelors degree | 262 (26.2) | 261 (27.7) | |
| Graduate degree | 301 (30.7) | 289 (30.7) | |