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Table 5 Associations between prenatal cadmium exposure and relative cord blood TL, stratified by infant sex and maternal age

From: Prenatal cadmium exposure is associated with shorter leukocyte telomere length in Chinese newborns

Subgroup n Percentage change(%)* (95% CI) P for interaction
Infant sex    0.907
Male 206 − 5.52 (− 12.24, 1.71)  
Female 204 − 8.26 (− 14.45, − 1.63)  
Maternal age at delivery (years)    0.797
< 29 201 − 8.47 (−15.45, − 0.91)  
≥ 29 209 − 5.29 (−11.28, 1.11)  
  1. Models’ adjustments are according to model C in Table 3. *Estimates are percentage changes in relative cord blood TL of per doubling in urinary cadmium concentration