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Weight in the first year of life: associations with maternal prepregnancy body mass index and gestational weight gain-findings from a longitudinal pregnancy cohort

McPhie, Skye, Skouteris, Helen, Mattick, Richard P., Wilson, Judy, Honan, Ingrid, Allsop, Steven, Burns, Lucy, Elliott, Elizabeth, Teague, Samantha, Olsson, Craig A. and Hutchinson, Delyse 2017, Weight in the first year of life: associations with maternal prepregnancy body mass index and gestational weight gain-findings from a longitudinal pregnancy cohort, American journal of perinatology, vol. 34, no. 8, pp. 774-779, doi: 10.1055/s-0036-1597992.

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Title Weight in the first year of life: associations with maternal prepregnancy body mass index and gestational weight gain-findings from a longitudinal pregnancy cohort
Author(s) McPhie, Skye
Skouteris, Helen
Mattick, Richard P.
Wilson, Judy
Honan, Ingrid
Allsop, Steven
Burns, Lucy
Elliott, Elizabeth
Teague, SamanthaORCID iD for Teague, Samantha orcid.org/0000-0002-0487-7307
Olsson, Craig A.ORCID iD for Olsson, Craig A. orcid.org/0000-0002-5927-2014
Hutchinson, DelyseORCID iD for Hutchinson, Delyse orcid.org/0000-0003-3221-7143
Journal name American journal of perinatology
Volume number 34
Issue number 8
Start page 774
End page 779
Total pages 6
Publisher Thieme Medical Publishers
Place of publication New York, N.Y.
Publication date 2017-07
ISSN 1098-8785
Keyword(s) maternal weight
infant weight
gestational weight
pregnancy BMI
Summary Objective To investigate the obesogenic influence of maternal prepregnancy body mass index (BMI) and gestational weight gain (GWG) on infant weight at birth and 12 months postpartum in an Australian general population sample. Methods Data on 1,305 pregnant women were collected on prepregnancy BMI and GWG through maternal interview, on infant weight at birth through hospital records, and on infant weight 12 months postbirth through direct measurement. Relationships between prepregnancy, gestational weight exposures, and infant weight outcomes were assessed with and without adjustment for potential confounding. Results We observed a 14 to 24 g increase in infant birth weight for every 1 kg increase in maternal weight (infant birth weight: β(BMI) = 0.014, p < 0.000; β(GWG) = 0.012, p < 0.000; and 12 months: β(BMI) = 0.018, p < 0.000; β(GWG) = 0.024, p < 0.000). Effects remained after adjustment for potential confounders (infant birth weight: β(BMI) = 0.014, p < 0.000; β(GWG) = 0.012, p < 0.001; and 12 months: β(BMI)= 0.017, p ≤ 0.033; β(GWG) = 0.023, p = 0.001). However, the effects observed were small, and there was no evidence that GWG mediated relationships between preconception BMI and infant weight. Conclusion In a general population sample, there is a significant but not substantial observed relationship between maternal prepregnancy BMI and GWG and infant weight outcomes, suggesting a minor role for these factors at a population level.
Language eng
DOI 10.1055/s-0036-1597992
Field of Research 170199 Psychology not elsewhere classified
1103 Clinical Sciences
1114 Paediatrics And Reproductive Medicine
Socio Economic Objective 970117 Expanding Knowledge in Psychology and Cognitive Sciences
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2017, Thieme Medical Publishers
Persistent URL http://hdl.handle.net/10536/DRO/DU:30091313

Document type: Journal Article
Collection: School of Psychology
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