Table 1.

Characteristics of the sample (N=23)

Study characteristic	Number (percentage) or median (range)
Country of origin
South Africa	7 (30)
Egypt	3 (13)
Uganda	3 (13)
Other †	10 (43)
Year of publication
Prior to 2010	9 (39)
2010	5 (22)
2011	6 (26)
2012	3 (13)
Sample size, median (range)	450 (10-1,216) ‡
Type of instrument assessed
Screening instrument or symptom rating scale	20 (87)
Diagnostic interview schedule	3 (13)
Study population ¶
Community	22 (96)
Outpatient	3 (13)
Inpatient	1 (4)
Type of evidence provided ¶
Reliability	17 (74)
Construct validity	9 (39)
Equivalence or content validity	7 (30)
Criterion-related validity	6 (26)
Internal structure	6 26)

^†Includes Botswana, Democratic Republic of Congo, Ethiopia (2 studies), Kenya, Nigeria (2 studies), Rwanda (2 studies), and Tanzania

^‡Interquartile range, 178-804

^¶Percentages may not add up to 100, as categories are not mutually exclusive