Independent Association Between Patient and Nursery Characteristics and TcB – TSB Difference

Hour of age0.05<.001
TcB meter brand JM-103b−0.87<.001
Anatomic site assessed
 Both chest and forehead0.53.04
African-American raceb0.67.002
White raceb−0.30.11
Hispanic ethnicityc−0.002.99
  • a Coefficient and P value determined with regression analysis including all listed variables after controlling for TSB level and nursery size (by quintile) and by accounting for multiple measurements in the same newborn.

  • b TcB brand missing for 27 measurements and race missing for 173 measurements.

  • c Infants for whom ethnicity data were recorded as unknown were classified as non-Hispanic. Data on ethnicity missing for 2 measurements.