Body size discrepancy, a measure of body size satisfaction, was calculated as the difference between self-perceived actual and self-perceived ideal body sizes.
Those with a misperception of body size believed they were healthy. But 35 percent of them had high blood pressure, 15 percent had high cholesterol, 14 percent had diabetes and 27 percent were current smokers.
These risk factors are similar to obese individuals who acknowledged they had a weight problem and needed to lose weight, Powell said.
Overall, 2 percent to 3 percent of the study population perceived an above-normal body size as ideal.
Compared to subjects who perceived their ideal body size as normal, those who perceived ideal body size to be above normal were more likely to be women, African American and had higher body mass index, blood pressure and higher insulin resistance.
The research has been presented at the American Heart Association's Scientific Sessions 2009.
Source-ANI
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