Learn R Programming

httk (version 1.8)

hematocrit_infants: Predict hematocrit in infants under 1 year old.

Description

For infants under 1 year, hematocrit was not measured in NHANES. Assume a log-normal distribution where plus/minus 1 standard deviation of the underlying normal distribution is given by the reference range. Draw hematocrit values from these distributions by age.

Usage

hematocrit_infants(age_months)

Arguments

age_months

Vector of ages in months; all must be <= 12.

Value

Vector of hematocrit percentages corresponding to the input vector of ages.

Details

Age Reference range
<1 month 31-49
1-6 months 29-42

References

Ring, Caroline L., et al. "Identifying populations sensitive to environmental chemicals by simulating toxicokinetic variability." Environment International 106 (2017): 105-118.