Table 1.
Demographic and clinical attributes (advanced prostate cancer cohort)
| Advanced stage prostate cancer cohort | ||||
|---|---|---|---|---|
|
|
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| Young-old (Age 66 - 74 years) |
Old-old (Age ≥ 75 years) |
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|
|
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| No substance use (n=7434) |
Substance use (n=1050) |
No substance use (n=5334) |
Substance use (n=429) |
|
|
| ||||
| Mean age in years (s.d.) | 69.6 (2.5) | 69.4(2.5) | 81.0(5.0) | 79.8.7(4.3) |
|
| ||||
| Race/Ethnicity (%) * | ||||
| White | 5867 (78.9) | 773 (73.6) | 4341 (81.4) | 332 (77.4) |
| African American | 812 (10.9) | 190 (18.1) | 618 (11.6) | 70 (16.3) |
| Hispanic | 755 (10.1) | 87 (8.2) | 375 (7.0) | 27 (6.3) |
|
| ||||
| Geographic area (%) * | ||||
| Metro | 6565 (88.3) | 861 (82.0) | 4625 (86.7) | 347 (80.9) |
| Non-metro | 869 (11.7) | 189 (18.0) | 709(13.3) | 82 (19.1) |
|
| ||||
| Comorbidity index (%) * | ||||
| 0 | 6938 (93.3) | 894 (85.1) | 4508 (84.5) | 309 (72.0) |
| 1 - 2 | 328 (4.4) | 85 (8.1) | 434 (8.1) | 56 (13.1) |
| ≥ 3 | 168 (2.3) | 71 (6.8) | 392(7.4) | 64 (14.9) |
|
| ||||
| Marital status (%) * | ||||
| Married | 5682 (76.4) | 767 (73.0) | 3356 (62.9) | 213 (49.7) |
| Other | 1473 (19.8) | 239 (22.8) | 1712 (32.2) | 191 (44.5) |
| Unknown | 279 (3.8) | 44 (4.2) | 266 (4.9) | 25 (5.8) |
|
| ||||
|
Mean % of persons with
at least 4 year college (s.d.) * |
32.1 (67.7) | 27.5 (70.0) | 30.9 (68.2) | 31.5 (90.2) |
|
| ||||
|
Median income for census tract (2000 census survey) (%)* ≤ $ 45000 > $45000 |
45.2 54.8 |
59.2 40.8 |
48.8 51.2 |
60.4 39.6 |
|
| ||||
| Grade (%) * | ||||
| Moderately | 3049 (41.0) | 363 (34.6) | 1093 (20.5) | 93 (21.7) |
| Poorly differentiated | 3645 (49.0) | 529 (50.4) | 2587 (48.5) | 208 (48.5) |
| Undifferentiated | 110 (1.5) | 34 (3.2) | 127 (2.4) | 15 (3.5) |
| Other | 630 (8.5) | 124 (11.8) | 1527 (28.6) | 113 (26.3) |
|
| ||||
| Treatment (%) | 2387 (32.1) | 199 (18.9) | 282 (5.3) | 28 (6.5) |
| Surgery alone * | 651 (8.8) | 92 (8.8) | 607 (11.4) | 46 (10.7) |
| Radiation alone | 3590 (48.3) | 678 (64.6) | 2539 (47.6) | 260 (60.6) |
| Multimodal* | 806 (10.8) | 81(7.7) | 1906 (35.7) | 95 (22.1) |
| No tx/watchful | ||||
| waiting* | ||||
*
Significant at 0.05 level