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The study was conducted in an industrial and prosperous city of Punjab to evaluate the biophysical profile of blood pressure (BP) in apparently healthy school children. A total of 2560 children between the ages of 5-15 years were enrolled. Their age, religion, dietary and family history were recorded. Weight and height of all children were measured and body mass index (BMI) calculated. A value of 2.26 or more was taken as obesity. BP measurements were made as per recommendations of the American Heart Association. Systolic as well as diastolic BP increased with age in both sexes, correlation coefficients being 0.59 and 0.6, respectively. A statistically significant linear relationship between BP and weight and height was noted. Children with BMI of > 2.26 had a significantly higher BP (P < 0.01). The mean BP did not vary among different religions. The BP of vegetarians and also non- vegetarians also did not differ. A family history of hypertension was associated significantly with elevated BP (p < 0.01). It is concluded that obesity and a family history of hypertension in children are associated with elevated BP and such children may be at risk for developing hypertension at a later date. They should be followed up and considered for modification of risk factors.

A study was conducted on two thousand five hundred and sixty school children to evaluate the prevalence of hypertension in apparently healthy school children of a prosperous, industrialized city of Punjab. The children belonged to 5-15 years age group of both sexes. The weight (kg) was taken by a standardized weighing machine while height was measured using a calibrated bar. For diagnosing obesity, the body mass index (BMI) was calculated by the formula: [formula: see text] A value of > or = 2.26 was considered as obesity. Blood pressure (BP) measurements were taken by a a mercury sphygmomanometer as per the recommendations of American Heart Association. Hypertension was diagnosed if blood pressure was more than 95th percentile for the age. Family history of hypertension was enquired from the parents of children. The BP of the hypertensive children was reassessed after six and nine months. The prevalence of hypertension was 2.8% at the first screening but decreased to 1.3% and 1.1% by 6 and 9 months, respectively. This fall was statistically significant (p < 0.01). There was no significant difference in the prevalence of hypertension between the two sexes. At the final screening, only children of 11 years or above were hypertensive. A statistically significant correlation with positive family history of hypertension was noted; 85.7% of hypertensive children had positive family history. The prevalence of hypertension was much higher in obese as compared to non-obese children (13.7% vs 0.4%). The correlation between obesity and hypertension was statistically significant (p < 0.01).(ABSTRACT TRUNCATED AT 250 WORDS)