“…The sample size ranged from 41 to 17,401 for a total number of 100,955. The exposure was assessed by food-frequency questionnaire (FFQ) in 16 studies ( 13 – 16 , 18 , 20 , 21 , 23 – 25 , 28 , 29 , 31 , 33 , 36 , 37 ), and recall method in 9 studies ( 17 , 19 , 22 , 26 , 27 , 30 , 32 , 34 , 35 ). The diagnostic criteria of depression were Diagnostic and Statistical Manual of Mental Disorders-IV (DSM-IV) ( 15 , 17 , 19 , 24 ), Patient Health Questionnaire-9 (PHQ-9) ( 27 , 29 , 32 , 34 ), Center for Epidemiological Studies Depression Scale (CES-D) ( 13 , 14 , 16 , 22 , 28 , 30 ), Beck Depression Inventory (BDI) ( 18 , 20 , 21 , 26 , 33 , 36 ), Geriatric Depression Scale (GDS) ( 23 ), Clinical Interview Schedule Revised (CIS-R) ( 37 ), and Depression, Anxiety, Stress Scale (DASS) ( 31 ), respectively.…”