Waist size predicts heart disease risk

Feb 22, 2005

The size of your waist correlates more closely with risk factors for heart disease than does your body mass index (BMI) — the measure of weight in relation to height — according to a report in the American Journal of Clinical Nutrition.

The size of your waist correlates more closely with risk factors for heart disease than does your body mass index (BMI) — the measure of weight in relation to height — according to a report in the American Journal of Clinical Nutrition.

The findings are based on data from 10,969 subjects.

Dr. Shankuan Zhu, from the Medical College of Wisconsin in Milwaukee, and colleagues found that waist circumference was more strongly tied to cholesterol levels and blood pressure than was BMI.

Among men, the circumferences that were equivalent in terms of cardiovascular risk to being overweight or obese were highest for whites, lowest for blacks, and intermediate for Mexican Americans. In contrast, the waist measurement cutoffs among women varied little by ethnicity.

Combining the data from the three ethnic groups, waist measurements of 89 and 101cm (35 and 40 inches) in men conferred a cardiovascular risk comparable to BMIs of 25 (overweight) and 30 (obese).

The waistlines with the corresponding risks for women were 83 and 94 cm (about 33 and 37 ins).

“The present study reports waist circumference cutoffs that correspond to well-established BMI cutoffs, recommended by the World Health Organisation and the National Institutes of Health for overweight and obesity, in their association with cardiovascular disease risk factors,” the researchers conclude.

“Our findings indicate that waist circumference is a better indicator of cardiovascular disease risk than is BMI across three race-ethnicity groups.”

Reuters

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