Table 1.

Study measures and data collection protocol.

Measures	Concept	Source	Pre-intervention	Post-intervention
Major outcome measures
Psychological distress in family members
PHQ-9 [58]	Family symptoms of depression	Families	Yes	Yes
PCL [59]	Family symptoms of PTSD	Families	Yes	Yes
GAD-7 [61]	Family symptoms of anxiety	Families	Yes	Yes
Processes of care
Length of stay	Length of time in the ICU and hospital	Medical chart	No	Yes
Costs of care	Estimated costs of medical care and of the intervention	Hospital decision support	No	Yes
Key covariate measures
Chart review	Patient demographics, diagnosis, chronic health conditions, illness severity; indicators of palliative care	Medical chart	No	Yes
Demographic questionnaire	Family: age, gender, education, insurance, income, relationship to patient	Families	Yes	No