Table 4.

HR estimates for factors associated with disengagement by race

Model for White participants (n = 27,588)Model for Black participants (n = 4,161)
HR (95% CI)PHR (95% CI)P
Demographics
 Age
  50–54 years1.58 (1.31–1.89)<0.0001
  55–59 years1.07 (0.98–1.16)0.14941.41 (1.15–1.73)0.0012
  60–64 years0.94 (0.86–1.04)0.22731.04 (0.84–1.28)0.7426
  65 years and older1.00 (reference)1.00 (reference)
 Hispanic ethnicity vs. not1.83 (1.34–2.50)0.00011.37 (0.82–2.28)0.2332
 Living alone vs. not1.35 (1.20–1.50)<0.00011.27 (1.12–1.45)0.0003
 College degree vs. not0.81 (0.75–0.88)<0.00010.88 (0.75–1.03)0.1150
Comorbidities
 Family history of prostate cancer0.91 (0.84–0.99)0.03020.76 (0.64–0.90)0.0017
 Current smoker vs. former or never smoker1.51 (1.33–1.71)<0.00011.47 (1.27–1.70)<0.0001
Why participating in SELECT
 “It makes me proud to be part of a study” vs. not0.85 (0.79–0.91)<0.00011.03 (0.91–1.16)0.6619
 “It may help others in the future” vs. not0.84 (0.74–0.94)0.00350.90 (0.78–1.03)0.1276
 “My wife or others in my family want me to join” vs. not1.00 (0.90–1.11)0.94170.76 (0.63–0.92)0.0040
Site characteristics
 Received an R&A grant vs. not0.66 (0.45–0.97)0.03550.76 (0.57–1.00)0.0532
 Number of training meetings missed
  5 or more1.92 (1.38–2.67)0.00012.00 (1.20–3.35)0.0079
  3 or 41.40 (0.94–2.08)0.09541.74 (1.17–2.57)0.0056
  0, 1, or 21.00 (reference)1.00 (reference)
 Type of site
  CCOP0.67 (0.52–0.86)0.00140.70 (0.51–0.96)0.0277
  VA1.99 (1.26–3.15)0.00320.87 (0.65–1.16)0.3523
  Other1.00 (reference)1.00 (reference)

NOTE: Covariates are adjusted for all other covariates presented in the table.