Change in maternal body mass index is associated with offspring body mass index: a 21-year prospective study

Mamun, Abdullah A., O'Callaghan, Michael J., Williams, Gail M. and Najman, Jake M. (2012) Change in maternal body mass index is associated with offspring body mass index: a 21-year prospective study. European Journal of Nutrition, 52 6: 1597-1606. doi:10.1007/s00394-012-0465-7

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Author Mamun, Abdullah A.
O'Callaghan, Michael J.
Williams, Gail M.
Najman, Jake M.
Title Change in maternal body mass index is associated with offspring body mass index: a 21-year prospective study
Journal name European Journal of Nutrition   Check publisher's open access policy
ISSN 1436-6207
1436-6215
Publication date 2012-11-30
Year available 2012
Sub-type Article (original research)
DOI 10.1007/s00394-012-0465-7
Open Access Status File (Author Post-print)
Volume 52
Issue 6
Start page 1597
End page 1606
Total pages 10
Place of publication Heidelberg, Germany
Publisher Springer
Collection year 2013
Language eng
Formatted abstract
Purpose: To examine whether changes in maternal overweight and obesity from pre-pregnancy to two decades postpartum predict the body mass index (BMI) of adult offspring.

Methods: We used a subsample of 1997 mother–offspring pairs from the 7,223 original cohorts of women who gave birth in Brisbane, Australia, between 1981 and 1984. Multiple linear regression and multinomial logistic regression were used to examine the relationship between change in maternal BMI from pre-pregnancy to 21-year postpartum, and offspring BMI at 21-year, adjusting for potential confounding factors.

Results: At 21-year postpartum, 31.15 % mothers were overweight and a further 30.80 % were obese. Mothers gained a mean weight of 16.07 kg over the 21 year. We found that the offspring of mothers who became overweight or remained overweight at 21-year postpartum were at greater risk of being overweight and obese at 21 years. In the adjusted model, offspring of mothers who had normal BMI before pregnancy but became overweight by 21-year postpartum were (odds ratio) 1.72 (95 % CI = 1.20, 2.47) times more likely to be overweight. Compared to offspring of mothers who maintained normal weight over two decades, offspring of mothers who remained persistently overweight were (odds ratio) 5.39 (95 % CI = 3.50, 8.30) times more likely to be obese by age 21 year.

Conclusions:
The findings of this study suggest that long-term changes in maternal BMI from pre-pregnancy to 21-year postpartum are independently associated with BMI in their young adult offspring.
Keyword Maternal overweight
Offspring obesity
BMI change
Confounders
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ
Additional Notes Published online 30 November 2012

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2013 Collection
School of Public Health Publications
School of Medicine Publications
 
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Created: Wed, 16 Jan 2013, 10:08:03 EST by Geraldine Fitzgerald on behalf of School of Public Health