Table 2 Bioelectrical impedance analysis client pretesting guidelines20.

From: Wrist-wearable bioelectrical impedance analyzer with miniature electrodes for daily obesity management

1 No eating or drinking within 4 h of the test
2 No exercise within 12 h of the test
3 Client should urinate within 30 min of the test
4 No alcohol consumption within 48 h of the test
5 No diuretic medications within 7 days of the test
6 No testing of female clients who perceive they are retaining water during that stage of their menstrual cycle