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Table 3 Associations of birth weight and newborn FTO genotypes or alleles

From: Does FTO have a paradoxical effect in fetal life?

 

Exposure = Newborn FTO SNP

 

Newborn weight (g)

FTO rs9930506 SNP

 

N

Mean ± SD(g)

P value vs 1°group*

N

Mean ± SD(g)

P value vs 1°group*

Genotypes

      
 

Homozygous for non rish allele

167

3314 ± 378

 

165

3326 ± 386

 
 

Heterozygous

253

3238 ± 386

0,02

236

3236 ± 394

0,02

 

Homozygous for risk allele

74

3157 ± 366

0,001

93

3161 ± 329

0,0006

  

Mean difference (g) per newborn risk-allele for rs9939609

Mean difference (g) per newborn risk-allele for rs9930506

  

Mean (95% CI)

P value

Mean (g) (95% CI)

P value

Various adjustments

    
 

Unadjusted

-78(-128; -28)

0,002

-83(-131; -36)

0,0006

 

Adjusted for maternal allele

-73(-130; -16)

0,09

-76(-132; -21)

0,007

 

Adjusted for maternal allele and other variables**

-56(-107; -5)

0,03

-55(-105; -6)

0,03

 

Adjusted also for maternal BMI

-50(-99; 0)

0,05

-48(-100; 0)

0,05

 

Adjusted also for Adjusted also for weight gain

-48(-98: +2)

0,06

-47(-95;+1)

0,06

  1. *Students T test.
  2. **Adjusted for sex, gestational age, panty and current smoking during pregnancy.