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Understanding gestational weight gain: the role of weight-related expectations and knowledge

McPhie, Skye, Skouteris, Helen, Hill, Briony and Hayden, Melissa 2015, Understanding gestational weight gain: the role of weight-related expectations and knowledge, Australian and New Zealand journal of obstetrics and gynaecology, vol. 55, no. 1, pp. 21-26, doi: 10.1111/ajo.12265.

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Title Understanding gestational weight gain: the role of weight-related expectations and knowledge
Author(s) McPhie, Skye
Skouteris, Helen
Hill, BrionyORCID iD for Hill, Briony orcid.org/0000-0003-4993-3963
Hayden, MelissaORCID iD for Hayden, Melissa orcid.org/0000-0002-4837-5894
Journal name Australian and New Zealand journal of obstetrics and gynaecology
Volume number 55
Issue number 1
Start page 21
End page 26
Total pages 6
Publisher Wiley
Place of publication London, Eng.
Publication date 2015-02
ISSN 1479-828X
Keyword(s) beliefs
knowledge
obesity
pregnancy
weight gain
Science & Technology
Life Sciences & Biomedicine
Obstetrics & Gynecology
BODY-MASS INDEX
MATERNAL OBESITY
PREGNANT-WOMEN
INTERVENTIONS
METAANALYSIS
OVERWEIGHT
RISK
OUTCOMES
TRIALS
Summary BACKGROUND: Health behaviour theories acknowledge that beliefs, attitudes and knowledge contribute to health behaviours, yet the role of these cognitions in predicting weight gain during pregnancy has not been widely researched. AIMS: To explore and compare the predictive nature of gestational weight gain (GWG) expectations and knowledge on weight gain during pregnancy. MATERIALS AND METHODS: One hundred and sixty-six women were tracked during pregnancy. Participants provided information on prepregnancy weight, height, GWG expectations and knowledge at 16-18 weeks' gestation (Time 1). To calculate gestational weight gain, prepregnancy weight was subtracted from weight at 36 weeks' gestation (collected at Time 2). Gestational weight gain above the Institute of Medicine's GWG recommendations was classified as excessive. A hierarchical regression examined the predictive nature of GWG expectations for actual GWG. Chi-square significance tests determined whether the accuracy of GWG knowledge differed depending on GWG status and prepregnancy BMI category. RESULTS: GWG expectations were a significant predictor of weight gain during pregnancy. Women who experienced excessive GWG were more likely to overestimate the minimum amount of weight that they needed to gain to have a healthy baby. CONCLUSIONS: GWG expectations are predictive of actual GWG, and GWG knowledge among women is generally poor. In particular, overestimating of the minimum amount of weight to gain during pregnancy is associated with excessive GWG. As such, it may be beneficial to design interventions to prevent excessive GWG that targets these cognitions.
Language eng
DOI 10.1111/ajo.12265
Field of Research 170106 Health, Clinical and Counselling Psychology
Socio Economic Objective 920410 Mental Health
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2015, Wiley
Persistent URL http://hdl.handle.net/10536/DRO/DU:30070010

Document type: Journal Article
Collection: School of Psychology
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Created: Thu, 28 May 2015, 13:51:54 EST

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