Paternal BMI in the preconception period, and the association with child zBMI
Authors' conclusion
Paternal preconception BMI was associated with child zBMI growth rate, zBMI and weight status in boys, with greater effects when the biological mother had preconception overweight or obesity. Further understanding of sex differences in paternal preconception weight effects in children is needed.
Study context
- Population
- Children followed with repeated height and weight measures from birth to 10 years old, TARGet Kids!
- Participants
- 218 children
- Exposure
- Paternal preconception BMI
- Outcome
- Child zBMI growth rates (zBMI SD units/month), zBMI and weight status
- Follow-up
- 0 to 10 years
Methodological detailsTARGet Kids!
- TARGet Kids!
Main finding
As reported in the abstract
Association of paternal preconception BMI with child zBMI growth rate, mean zBMI and weight status
5 kg/m² higher paternal preconception BMI: higher zBMI growth rate in boys born to mothers with preconception overweight
≈0.01 zBMI SD unit/month
Observational data: associations, not effects.
Original publication
Paternal BMI in the preconception period, and the association with child zBMI. Int J Obes (Lond). Published 3 February 2023. doi:10.
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