BMI & Waist Circumference & Dietary
Pattern
BMI & Waist Circumference Study
Introduction
Obesity has increased more than 20 percent in the past decade in the United
States, and more than one-half of US adults are overweight or obese.
BMI & Waist Circumference Study
Aim
Discover the nutritional etiology of changes in body mass index (BMI;
in kg/m2) and waist circumference by dietary intake pattern. We hypothesized
that a healthy dietary pattern would lead to smaller changes in BMI and
waist circumference than would other dietary patterns.
BMI & Waist Circumference Study
Method
Subjects were 459 healthy men and women participating in the ongoing Baltimore
Longitudinal Study of Aging. Diet was assessed with the use of 7-day dietary
records, from which 41 food groups were created and entered into a cluster
analysis.
BMI & Waist Circumference Study
Results
Five dietary patterns were derived (healthy, white bread, alcohol, sweets,
and meat and potatoes). The mean annual change in BMI was 0.30 ±
0.06 for subjects in the meat-and-potatoes cluster and 0.05 ± 0.06
for those in the healthy cluster. The mean annual change in waist circumference
was more than 3 times as great for subjects in the white-bread cluster
as for those in the healthy cluster.
BMI & Waist Circumference Study
Conclusion
Consuming a diet high in fruit, vegetables, reduced-fat dairy, and whole
grains and low in red and processed meat, fast food, and soda was associated
with smaller gains in BMI and waist circumference. Because foods are not
consumed in isolation, dietary pattern research based on natural eating
behavior may be useful in understanding dietary causes of obesity and
in helping individuals trying to control their weight.
Source: American Journal of Clinical Nutrition
2003
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