Table 1. Characteristics of studies included in the systematic review.

Publication type	n (%)
Journal Article	137 (87.3)
Thesis	19 (12.1)
Book Section	1 (0.6)
Study setting	n (%)
Nursing Homes	143 (91.1)
Hospitals	7 (4.4)
Nursing/Care Homes	2 (1.3)
Assisted-living facilities	2 (1.3)
Nursing Home/Assisted-Living Facilities	2 (1.3)
Pharmacies	1 (0.6)
Study design	n (%)
Quantitative
Cross-sectional/Observational	140 (89.2)
Longitudinal	3 (1.9)
RCT	2 (1.3)
Experimental	2 (1.3)
Qualitative
Case study	4 (2.5)
Ethnography	1 (0.6)
Focus groups	1 (0.6)
Mixed methods	4 (2.5)
Country	n (%)
USA	140 (89.2)
Australia	9 (5.7)
Europe
United Kingdom	3 (1.9)
Denmark	1 (0.6)
Portugal	1 (0.6)
Netherlands	1 (0.6)
China	1 (0.6)
Saudi Arabia	1 (0.6)