Associations of food consumption, serum vitamins and metabolic syndrome risk with physical activity level in middle-aged adults: the National Health and Nutrition Examination Survey (NHANES) 2005–2006

摘要

Abstract Objective To examine the associations of food consumption, serum vitamins and metabolic syndrome risk with physical activity level in middle-aged adults. Design Cross-sectional. Setting National Health and Nutrition Examination Survey (NHANES) 2005a€“2006. Subjects Adults aged 40a€“70 years were divided into three groups by tertile of accelerometer-determined steps/d (in men and women, respectively): tertile 1 (sedentary),