Scale	Population	Items	Format	DSM-IV coverage*
Beck Depression Inventory12	Adults	21	Multiple choice	8/9
Center for Epidemiologic Studies–Depression Scale13	Adults	20	Likert scale	7/9
General Health Questionnaire†14	Adults	28	Likert scale	3/9
Geriatric Depression Inventory15	Older adults (> 55 years)	30	Yes/no answers	6/9
Zung Self-Rating Depression Scale11	Adults	20	Likert scale	9/9