Table 1 Study measures

 Socio-demographics (e.g, age, race/ethnicity, education, income)

X

 Date of prostate cancer diagnosis

X

 Economic burden [97]

X

 Health status [98]

X

X

 Health literacy [99, 100]

X

 Trust in the medical profession [101]

X

X

 Group-based medical mistrust [102]

X

 Receptivity to discussing a clinical trial [103]

X

 Decisional control preferences [69, 104]

X

 Patient-Practitioner Orientation Scale [105]

X

 Self-efficacy with discussing trials

X

 Positive and Negative Affect Scale (PANAS) [106]

X

X

 Attitudes toward clinical trials

X

 Trust in a physician [101]

X

 Perceived racial/ethnic discrimination [107]

X

 Religiosity [108]

X

 Spirituality [109]

X

 Social support [110]

X

 Decisional control perceptions [111]

X

 Perceived physician patient-centeredness [112]

X

 Perceived active participation in the interaction [37]

X

 Perceived physician patient-centered communication [37]

X

 Presence of a trial discussion/offer

X

 Decision about participating in trial offered

X

 Understanding of trial offered [113]

X

 Perceptions of team [114]

X

 Satisfaction with intervention (intervention arm only) [69]

X

 Open-ended questions regarding trial offered

X

 Socio demographic/professional characteristics (e.g., age, race/ethnicity, years in practice)

X

 Attitudes toward clinical trials [25, 115]

X

 Attitudes toward offering a clinical trial

X

 Decisional control preferences [69, 111]

X

 Patient-Practitioner Orientation Scale [105]

X

 Racial attitudes/symbolic racism [116]

X

 Implicit racial attitudes [117]

X

 Perceptions of patient [67]

X

 Presence of a trial discussion/offer

X

 Decisional control perceptions [111]

X

 Presence and quality of clinical trial discussion [38]

X

 Physician patient-centered communication [37]

X

 Patient active participation in interaction [37]

X