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. Author manuscript; available in PMC: 2023 Apr 1.
Published in final edited form as: Environ Res. 2021 Dec 13;205:112551. doi: 10.1016/j.envres.2021.112551

Table 5.

BLL by sex interactions for HRV outcomes

BLLs x Sex 1 β [95% CI]
Planning Phase HRV
LF/HF (ms2)		 Speaking Phase HRV
LF/HF (ms2)
BLLs 3-5 years x Sex 0.01 [−0.10, 0.12] 0.02 [−0.09, 0.14]
BLLs 3-5 years 0.03 [−0.04, 0.10] 0.05 [−0.01, 0.12]
Female 0.01 [−0.72, 0.74] 0.34 [−0.40, 1.07]
BLLs 12 years x Sex −0.08 [−0.32, 0.15] −0.32 [−0.58, −0.07]
BLLs 12 years 0.00 [−0.18, 0.18] 0.13 [−0.07, 0.33]
Female 0.33 [−0.49, 1.15] 1.46 [0.61, 2.30]
1

Models adjusted for sex, age at HRV measurement, neighborhood conditions, parental occupation, and serum Fe, Bolded= p-value <0.05