Table 2. Selected Characteristics of Population-Based Controls By Digoxin Use.
| Digoxin Use | P-value | ||
|---|---|---|---|
| No N (%) |
Yes N (%) |
||
| Total | 917 (97.4) | 25 (2.7) | |
|
| |||
| Age at reference date (years) | |||
| 35-54 | 209 (22.8) | 0 (0.0) | 0.008 |
| 55- 64 | 352 (38.4) | 9 (36.0) | |
| 65-74 | 356 (38.8) | 16 (64.0) | |
| Race | |||
| Caucasian | 820 (89.4) | 24 (96.0) | 0.29 |
| African-American | 97 (10.6) | 1 (4.0) | |
| First-degree family history of PCa | |||
| No | 106 (11.6) | 3 (12.0) | 0.95 |
| Yes | 811 (88.4) | 22 (88.0) | |
| PSA screening within the past 5 years | |||
| None | 238 (26.0) | 2 (8.0) | 0.03 |
| 1 – 2 PSAs | 166 (18.1) | 2 (8.0) | |
| ≥ 3 PSAs | 363 (39.6) | 17 (68.0) | |
| Unknown | 150 (16.4) | 4 (16.0) | |
| Income (annual) | |||
| < $50,000 | 300 (33.6) | 9 (37.5) | 0.69 |
| $50,000 + | 593 (66.4) | 15 (62.5) | |
| Education | |||
| High school only | 176 (19.2) | 5 (20.0) | 0.90 |
| Some college/vocational | 206 (22.2) | 7 (28.0) | |
| Bachelors degree | 255 (27.8) | 6 (24.0) | |
| Graduate degree | 282 (30.8) | 7 (28.0) | |