“…The majority (> 50%) of studies controlled for age, gender, education, smoking status, alcohol consumption, physical activity, energy intake, BMI, hypertension, and diabetes. Two studies (7%) controlled for saturated fat intake [ 25 ••, 30 •], eleven studies (37%) controlled for vegetable intake [ 28 , 29 , 36 , 38 ••, 39 , 41 , 42 , 48 – 50 , 52 •], six studies (20%) controlled for meat intake [ 26 , 38 ••, 39 , 41 , 50 , 52 •] (two (6%) for processed meat [ 26 , 50 ]), three (10%) for Mediterranean diet score [ 28 , 44 , 46 ], three (10%) for dietary approaches to stop hypertension (DASH) score [ 31 – 33 ], and six (20%) for diet quality [ 24 , 26 , 34 , 35 •, 37 , 51 ]. Three (10%) studies which were across multiple countries controlled for center or region but not ethnicity [ 45 , 48 , 52 •].…”