Nutritional Epidemiology Commons^™

Decomposing Trends In Adult Body Mass Index, Obesity, And Morbid Obesity, 1971-2012, Ashley Wendell Kranjac, Robert L. Wagmiller

Sociology Faculty Articles and Research

Trends in adult obesity have been used to motivate key public health policies in the United States. While these analyses provide important insights into the broad historical contours of the obesity epidemic in the U.S., they shed less light on the proximate mechanisms that have generated these changes and that will ultimately determine the long-term course and pace of change in obesity rates. We used data from the National Health and Nutrition Examination Survey (NHANES), Glenn Firebaugh's linear decomposition technique, and Kitagawa's algebraic decomposition method to decompose change in body mass index (BMI), obesity, and morbid obesity from 1971 through …