Table 2.

Measures for the evaluation of depression in the clinical setting [9]

Measure title	Validated population	Description
PHQ-9 [46]	Adults	9-item measure of depressive symptoms (corresponding to criteria for major depressive disorder)
BDI-II [38]	Adults	21-item questionnaire evaluating somatic and cognitive symptoms of depression
GDS [52]	Adults (55-58 yr)	15-item measure was developed to assess depression in older adults
CDI (current edition is CDI-2) [66]	Youth (7-17 yr)	27-item measure assessing depressive symptoms using child and parent report

PHQ-9, Patient Health Questionnaire; BDI-II, Beck Depression Inventory-II; GDS, Geriatric Depression Scale; CDI, Child Depression inventory.