Table 3.
Variable and Measure | α | Mean | Standard Deviation |
---|---|---|---|
Patient’s decision*—Response to question: “Did you decide to enroll in the clinical trial offered to you?” (0 = decided not to enroll; 1 = undecided; 2 = decided to enroll) | |||
Patient’s decision-related affect/cognition | |||
Confidence in decision—Average reported agreement (4 = strongly agree; 1 = strongly disagree) with statements: “I am comfortable with the treatment decision I have made” and “I have no second thoughts about the decision” | 3.42 | 0.69 | |
Confidence in oncologist—Average reported agreement (4 = strongly agree; 1 = strongly disagree) with statements: “I have confidence in Dr. ___at this time,” “Dr. ___and I are partners together in treating my disease,” and “I trust Dr. ___’s judgment about my care” | .81 | 3.51 | 0.54 |
Oncologist-patient-family/companion relationship quality—Summed rating (4 = very positive; 1 = very negative) of each dyadic relationship during the visit: “During your discussion with Dr. ___, would you describe the relationship between you and doctor as ___?”; “The relationship between Dr. ___and your family/companion as ___? 0”; and “The relationship between yourself and your family/companion as ___?” | .83 | 3.50 | 0.50 |
Oncologist-patient-family/companion decision agreement—Summed rating (4 = strongly disagree; 1 = strongly agree) of agreement about decision for each dyadic relationship: “Regarding your decision about the clinical trial, how would you rate the level of agreement between yourself and Dr. ___?”; “Between Dr. ___and your family/companion?”; and “Between yourself and your family/companion?” | .75 | 3.57 | 0.53 |
Patient’s reasons for decision | |||
Personal factors—Extent to which each item influenced the decision (1 = no influence on decision; 2 = some influence; 3 = major influence on decision): “Extent to which the trial would increase your quality of life,” “Participation in the trial would extend your life,” and “Participating in the trial would help fight your cancer” | .79 | 2.58 | 0.47 |
Physician communication behaviors—Extent to which each item influenced the decision (1 = no influence on decision; 2 = some influence; 3 = major influence on decision): “Physician listened to you during the discussion” and “Physician was supportive of you” | 2.52 | 0.51 | |
Family members’ opinions—Extent to which the family member (present or not present during the visit) influenced the decision (1 = no influence on decision; 2 = some influence; 3 = major influence on decision) | 2.21 | 0.62 | |
Costs manageable—Extent to which the perception that costs of participating in the trial were manageable influenced the decision (1 = no influence on decision; 2 = some influence; 3 = major influence on decision) | 2.04 | 0.85 | |
Adverse effects manageable—Extent to which perception that adverse effects were manageable influenced the decision (1 = no influence on decision; 2 = some influence; 3 = major influence on decision) | 2.07 | 0.84 |
Twenty-seven patients (77%) decided to enroll in the clinical trial offered to them; four (11.4%) decided not to enroll, and four (11.4%) were undecided at the time of the follow-up interview.