Evaluating & Measuring Fitness

What factors affect my bioelectrical impedance (BEI) results?

A Answers (1)

  • Since BEI uses your water weight to estimate your body fat percentage, it is majorly affected by your hydration status.  Being dehydrated, having a full bladder, menstruation, consuming alcohol or caffeine, and even exercise can all affect the accuracy of a BEI measurement.
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How accurate are bioelectrical impedance (BEI) results?