Eligible participants were those who : ( i ) were aged 18-75years ; ( ii ) were currently taking antidepressant medication ( for at least 6weeks at an adequate dose ) ; ( iii ) scored 14 on the Beck Depression Inventory ( BDI-II ) ; ( iv ) had adhered to their medication ; and ( v ) met ICD-10 criteria for depression ( assessed using the Clinical Interview Schedule - revised version ) .
