Abstract
The blood pressure (BP) of tenth grade students from a town with 42 mg Na/L in drinking water was compared to that of comparable tenth grade students in a geographically contiguous community with 6 mg Na/L. No statistically significant difference occurred in mean BP between the two communities for males and females for diastolic BP and male systolic BP. However, the low sodium community females displayed a significantly higher BP (p < 0.05) of 1.6 mmHg. Analysis of covariance for potentially confounding variables did not significantly alter the initial findings. In summary, an average of 36 mg Na/L higher Na levels in the drinking water was not associated with an increase in BP levels in tenth grade students.
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