From: Fluoride exposure and sleep patterns among older adolescents in the United States: a cross-sectional study of NHANES 2015–2016
Measure
Arithmetic mean
Standard error
Median
5th percentile
95th percentile
Plasma fluoride (μmol/L) a
0.35
0.02
0.29
0.14
0.67
Tap water fluoride (mg/L)b
0.39
0.05
0.27
0.07
0.81