Table 2.

Characteristics and findings of quantitative study included in scoping review.

References	Country	Study design	Participants	Findings
Poulin et al. (23)	Canada	A cross-sectional study	147 family caregivers	Family caregivers of critically ill adults with delirium frequently experience clinically significant anxiety and are significantly more likely to report frequently worrying too much about different things.
Smithburger et al. (24)	United States	A cross-sectional study	60 family members	Patients' families can be a valuable resource to engage when implementing delirium-prevention activities in the ICU, according to health care providers and family members
Rosgen et al. (25)	Canada	A cross-sectional study	147 patient-caregivers	Caregiver-detected patient delirium was associated with increased depression and anxiety symptoms in family caregivers of critically ill patients.