Table 1.
Demographic characteristics of study cohorts
| Variable | CEASAR | PCOS | p value |
|---|---|---|---|
| Age, yr | |||
| Mean | 63.2 | 64.1 | <0.001 |
| Median | 65 (58–69) | 65 (59–70) | |
| Race, % (n) | |||
| White | 63 (1974) | 69 (1601) | <0.001 |
| Black | 13 (403) | 17 (401) | |
| Hispanic | 6 (203) | 14 (332) | |
| Other | 18 (555) | 0 (0) | |
| Inflation-adjusted income, % (n) | |||
| <$30 000 | 22 (551) | 24 (522) | <0.001 |
| $30 000–100 000 | 50 (1276) | 58 (1226) | |
| >$100 000 | 28 (706) | 18 (384) | |
| Education, % (n) | |||
| Less than grade school | 5 (133) | 9 (199) | <0.001 |
| Less than high school | 5 (137) | 11 (249) | |
| High school graduate | 21 (573) | 21 (476) | |
| Some college | 22 (604) | 25 (567) | |
| College graduate | 23 (616) | 15 (337) | |
| Advanced degree | 23 (631) | 21 (476) | |
| Employment, % (n) | |||
| Works full time | 40 (1069) | 29 (682) | <0.001 |
| Works part time | 8 (209) | 9 (221) | |
| Retired | 47 (1272) | 56 (1315) | |
| Other | 5 (135) | 5 (116) | |
| Marital status, % (n) | 0.016 | ||
| Married | 79 (2116) | 82 (1892) | |
| Not married | 21 (575) | 18 (419) | |
| Insurance status, % (n) | |||
| Private or HMO | 51 (1361) | 51 (1197) | <0.001 |
| Medicare | 38 (1026) | 39 (904) | |
| VA or military | 0 (7) | 0 (0) | |
| Medicaid | 5 (139) | 2 (36) | |
| Other | 4 (105) | 8 (184) | |
| No insurance | 1 (40) | 1 (13) | |
CAESAR = Comparative Effectiveness Analysis of Surgery and Radiation; HMO = health maintenance organization; PCOS = Prostate Cancer Outcomes Study; VA = US Department of Veterans Affairs.
Percentages may not add to 100% due to rounding.