Table 2 Bivariate associations between sociodemographic and clinical predictors and willingness to donate biospecimens for future research uses (N = 1889)
From: Secondary consent to biospecimen use in a prostate cancer biorepository
N | Yes conditional N (%) | Yes always N (%) | χ2 | OR (95 % CI) always (vs. conditional) | p value | |
|---|---|---|---|---|---|---|
Age at diagnosis | 1859 | |||||
Mean (SD) | 61.0 (7.4) | 61.4 (7.2) | −0.75a | – | 0.453 | |
Race | 1889 | 54.28 | <0.001* | |||
White | 1523 (90.0) | 142 (72.1) | 1.00 (ref) | |||
Black | 169 (10.0) | 55 (27.9) | 3.49 (2.46, 4.95) | |||
Family history | 1694 | 10.53 | 0.001* | |||
No | 1004 (66.0) | 92 (53.5) | 1.00 (ref) | |||
Yes | 518 (34.0) | 80 (46.5) | 1.69 (1.23, 2.32) | |||
Marital status | 1301 | 0.415b | ||||
Married | 1049 (86.0) | 66 (81.5) | 1.00 (ref) | |||
Not currently married | 141 (11.6) | 12 (14.8) | 1.35 (0.71, 2.57) | |||
Never married | 30 (2.5) | 3 (3.7) | 1.59 (0.47, 5.34) | |||
Employment status | 1292 | 0.104b | ||||
Employed | 661 (54.6) | 40 (49.4) | 1.00 (ref) | |||
Retired | 489 (40.4) | 32 (39.5) | 1.08 (0.67, 1.75) | |||
Unemployed | 41 (3.4) | 6 (7.1) | 2.42 (0.97, 6.04) | |||
Other | 20 (1.7) | 3 (3.7) | 2.48 (0.71, 8.70) | |||
Smoking | 1847 | 0.34 | 0.844 | |||
Never smoked | 800 (48.4) | 98 (50.2) | 1.00 (ref) | |||
Former smoker | 660 (39.9) | 75 (38.7) | 0.93 (0.68, 1.28) | |||
Current smoker | 193 (11.7) | 21 (10.8) | 0.89 (0.54, 1.46) | |||
Stage | 1841 | 7.78 | 0.005* | |||
T1c | 1316 (79.4) | 162 (88.0) | 1.00 (ref) | |||
T2a/T2b/T2c | 341 (20.6) | 22 (12.0) | 0.52 (0.33, 0.83) | |||
Gleason score | 1846 | 17.22 | <0.001* | |||
2–6 | 1035 (62.5) | 89 (47.1) | 1.00 (ref) | |||
7 | 489 (29.5) | 81 (42.9) | 1.93 (1.40, 2.65) | |||
8+ | 133 (8.0) | 19 (10.1) | 1.66 (0.98, 2.82) |