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Table 3 Associations between parental pre-pregnancy BMI and newborn TL, stratified by newborn sex

From: Maternal overweight but not paternal overweight before pregnancy is associated with shorter newborn telomere length: evidence from Guangxi Zhuang birth cohort in China

Subgroup Unadjusted Model A Model B
Percentage change (95% CI) P-value Percentage change (95% CI) P-value Percentage change (95% CI) P-value
Male (n = 582)
 Maternal BMI
  NW Ref   Ref   Ref  
  UW 0.69(− 5.38,7.15) 0.839 0.23(− 6.03,6.91) 0.934 0.46(− 5.81,7.15) 0.905
  OW −9.84(− 17.96, − 0.92) 0.033 −9.22(− 17.59,0.00) 0.048 −9.01(− 17.40,0.23) 0.054
 Paternal BMI
  HW Ref   Ref   Ref  
  OW 2.33(−7.32,12.72) 0.655 2.57(− 7.10,12.98) 0.616 2.09(− 7.53,12.72) 0.686
 Parents’ weight status combination
  Both parents HW Ref   Ref   Ref  
  OW father, HW mother 2.80(−7.10,13.76) 0.588 3.04(−6.89,14.02) 0.568 2.33(−7.74,13.24) 0.670
  OW mother, HW father −9.43(−17.78, −0.23) 0.047 −8.80(− 17.40,0.69) 0.071 − 8.80(− 17.59,0.69) 0.068
  Both parents OW − 14.10(− 39.19,21.34) 0.388 − 14.10(− 39.19,21.34) 0.388 −10.05(− 36.61,27.64) 0.550
Female (n = 500)
 Maternal BMI
  NW Ref   Ref   Ref  
  UW −0.23(−6.24,6.17) 0.915 0.00(−6.03,6.66) 0.972 0.46(−5.81,7.15) 0.899
  OW −5.16(−15.67,6.66) 0.366 −6.67(− 17.21,5.44) 0.267 − 6.46(− 17.01,5.68) 0.281
 Paternal BMI
  HW Ref   Ref   Ref  
  OW −0.46(−9.43,9.65) 0.932 −0.23(− 9.43,9.90) 0.965 0.23(− 9.01,10.15) 0.972
 Parents’ weight status combination
  Both parents HW Ref   Ref   Ref  
  OW father, HW mother −1.14(−10.67,9.14) 0.804 −1.37(− 10.67,9.14) 0.803 −0.92(− 10.26,9.65) 0.867
  OW mother, HW father −6.67(− 17.59,5.68) 0.280 −8.38(−19.46,4.23) 0.179 −8.38(−19.46,4.23) 0.187
  Both parents OW 3.99(−23.62,41.91) 0.802 4.71(−23.26,43.22) 0.767 4.95(−23.26,43.55) 0.759
  1. Abbreviation: BMI Body mass index, TL Telomere length, UW Underweight, NW Normal weight, HW Normal and underweight, OW Overweight
  2. Models’ adjustments were according to Table 2