Skip to main content

Advertisement

Table 4 Associations between categorical OTC concentrations and PI from linear regression analysis weighted for sampling fractions a

From: Association of placenta organotin concentrations with growth and ponderal index in 110 newborn boys from Finland during the first 18 months of life: a cohort study

Organotin compound Conc (ng/g fw) PI at birth   PI at 3 months   PI at 18 monhts  
N mean PI (kg/m3) β (95% CI) p N mean PI (kg/m3) β (95% CI) p N mean PI (kg/m3) β (95% CI) p
DBT <0.10 33 26.8 ref   31 27.5 ref   28 20.1 ref  
  0.10–0.14 30 26.0 −1.46 (−2.56, −0.35) 0.010   26.7 −1.35 (−2.77, 0.08) 0.063   20.0 −0.79 (−2.36, 0.79) 0.32
  ≥0.15 42 27.4 −0.45 (−1.55, 0.66) 0.43 30 41 28.2 −0.10 (−1.15, 1.13) 0.99 26 33 20.0 −0.93 (−2.04, 0.18) 0.098
TBT <0.10 33 26.5 ref   31 27.4 ref   27 20.0 ref  
  0.10–0.39 40 26.6 −1.36 (−2.90, 0.18) 0.084 39 26.9 −0.28 (−1.79, 1.24) 0.72   20.2 0.46 (−0.97, 1.90) 0.52
  ≥0.40 32 27.5 −0.26 (−1.63, 1.12) 0.71 32 28.5 0.85 (−0.20, 1.90) 0.11 34 26 19.9 −0.38 (−1.33, 0.57) 0.43
TPhT <0.02 61 27.0 ref   60 27.9 ref   49 20.1 ref  
  ≥0.02 44 26.6 −0.75 (−1.56, 0.06) 0.068 42 27.0 −0.24 (−1.20, 0.73) 0.63 38 20.1 0.21 (−0.67, 1.09) 0.63
Sum of OTCs <0.25 27 27.1 ref   26 27.3 ref   23 19.8 ref  
  0.25–0.49 32 26.0 −1.23 (−2.69, 0.24) 0.10 31 27.2 0.57 (−1.03, 2.16) 0.48   20.3 1.33 (−0.31, 2.97) 0.11
  ≥0.50 46 27.3 −0.53 (−1.79, 0.74) 0.41 45 27.9 0.42 (−0.59, 1.43) 0.41 27 37 20.0 −0.33 (−1.27, 0.60) 0.48
  1. aAdjusted for maternal age at birth, maternal pregnancy body mass index, diabetes (yes/no) and smoking (yes/no) during pregnancy, and infant weight for gestational age.