Values and options in cancer care (VOICE): study design and rationale for a patient-centered communication and decision-making intervention for physicians, patients with advanced cancer, and their caregivers

Table 3 Survey measures completed by patients in the RCT

Domain	Measures	Study entry	Post- visit	2-4 day follow-up	Quarterly follow-up
Demographics	Gender, age, race/ethnicity, SES, relationship status, religion	X
Physician-Patient Relationship	THC	X		X	X^a
Physician-Patient Interaction	HCCQ + MUIS + IPS		X
Patient Communicational Self-Efficacy	PEPPI	X		X	X^a
Physician-Patient Conversations	Topics discussed in recent medical encounters	X			X
Preferred Decision Role	CPS	X		X
Actual Decision Role	Modified CPS		X		X
Treatment Preferences	Preferences for experimental treatments, life support, palliative care	X		X
Illness Acceptance	PEACE	X			X
Well-being	MQOL + FACT-G	X			X
Prognostic Forecasting	Estimate of prognosis	X		X

Note. SES, Socioeconomic status; THC, The human connection scale; HCCQ, Health care communication questionnaire; MUIS, Mishel uncertainty in illness scale; IPS, Illness preference scale; PEPPI, Perceived efficacy in patient-physician interaction; CPS, Control preferences scale; PEACE, Peace, equanimity, and acceptance in the cancer experience; MQOL, McGill quality of life; FACT-G, Functional assessment of cancer therapy – general.
^a Administered at only the first quarterly follow-up.

ISSN: 1471-2407