Skip to main content

Table 4 Associations between parental pre-pregnancy BMI and newborn TL, stratified by paternal age at delivery

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 Paternal age at delivery (years)
< 31(n = 496) ≥ 31(n = 586)
Percentage change (95% CI) P-value Percentage change (95% CI) P-value
Maternal pre-pregnancy BMI
 NW Ref   Ref  
 UW 3.04(−3.17,9.40) 0.341 −3.62(− 10.05,3.28) 0.292
 OW −18.53(−33.17, − 0.92) 0.041 − 6.46(−13.70,1.62) 0.119
Paternal pre-pregnancy BMI
 HW Ref   Ref  
 OW −4.72(− 13.90,5.20) 0.337 6.66(−2.95,17.22) 0.184
Parents’ weight status combination*
 Both parents HW Ref   Ref  
 OW father, HW mother −3.84(−13.30,6.66) 0.451 5.44(−4.50,16.41) 0.302
 OW mother, HW father −19.83(−36.61,1.39) 0.064 −6.24(−13.90,1.86) 0.129
  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 model B in Table 2
  3. *Both parents OW was excluded for a small number 7(0.6%)