4. Original Scientific Paper
Abstract

The present cross-sectional study was carried out to find the association of percent body fat (PBF) with blood pressure (BP) variables among apparently healthy young females studying in Guru Nanak Dev University, Amritsar. A total of 150 females ranging in age from 20-25 years were personally interviewed. Height and weight of each subject was taken using standard methodology. Their body composition parameters were taken by using body fat analyzer. Subjects were categorized as obese and non-obese according to PBF, in which those having >30% body fat was considered as obese. BP of each subject was measured by using the standard methodology. The prevalence of hypertension was calculated according to JNC VII criteria. In the pooled data, the percentage prevalence of obesity according to PBF was 36%. The percentage prevalence of pre-hypertension and hypertension in the pooled sample was 54% and 12%, respectively. However, it was observed that prevalence of hypertension was slightly more among obese females (7.3%) as compared to non-obese (4.7%) but the prevalence of pre-hypertension was significantly (p<0.05) more in non-obese females (39.3%) as compared to obese females (14.7%). The underline cause of this high prevalence of pre-hypertension in non-obese subjects was not known. It is clear from the correlation analysis that no association was observed between SBP and MAP with PBF in obese and non-obese subjects while DBP is positively and significantly (p<0.05) correlated with weight, fat mass and fat free mass in non-obese subjects only. Thus it is concluded from this study that PBF measured by BIA was not likely to be a good predictor of high BP. Therefore, further large prospective studies on the association of hypertension and whole body fat and abdominal fat should be carried out to confirm the role of fat on BP.

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