Table 3. Number of validation studies for each population group.

Population		Number of Studies
Child & Adolescent		17
Perinatal	Antenatal	9
	Postnatal	27
	Clinic attendees	34
	HIV+	6
	Physically ill	9
Adult	Mentally ill	8
	Trauma survivors	5
	General population	20
	University students	8
Elderly		15
		158
Total		(5 of the 153 studies sampled from populations
		representing two of the above groups)