“…For the 31 studies included in this systematic review, NAFLD was defined by various means including liver biopsy, ultrasonography/evidence of ultrasound, hepatic steatosis index, pathology and/or radiologic testing, computed tomography, magnetic resonance imaging, and self-reported physician diagnosis ( Table 1 ). From the 31 included studies, 18 studies (58%) measured only depression ( 44 , 49 – 53 , 57 , 58 , 61 – 70 ), one study measured only anxiety ( 55 ), 10 studies (32%) measured depression and anxiety ( 43 , 45 – 48 , 56 , 60 , 71 – 73 ), one study measured only stress ( 54 ), and one study measured stress and anxiety ( 59 ). In these studies, the mental health conditions of interest were identified by validated measures (including DSM-IV and ICD-10) in 17 studies ( 44 , 46 , 48 , 49 , 53 , 54 , 56 – 59 , 63 , 65 – 68 , 70 , 73 ), self-reported in six studies ( 43 , 47 , 55 , 61 , 62 , 69 ), or identified by other diagnosis (e.g., medical history) in eight studies ( 45 , 50 – 52 , 60 , 64 , 71 , 72 ).…”