Health coaching to prevent excessive gestational weight gain: A randomized‐controlled trial

Helen Skouteris*, Skye McPhie, Briony Hill, Marita McCabe, Jeannette Milgrom, Bridie Kent, Lauren Bruce, Sharon Herring, Janette Gale, Cathrine Mihalopoulos, Sophy Shih, Glyn Teale, Jennifer Lachal

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

<jats:sec><jats:title>Objectives</jats:title><jats:p>The objectives of this study were to evaluate the efficacy of a health coaching (<jats:styled-content style="fixed-case">HC</jats:styled-content>) intervention designed to prevent excessive gestational weight gain (<jats:styled-content style="fixed-case">GWG</jats:styled-content>), and promote positive psychosocial and motivational outcomes in comparison with an Education Alone (<jats:styled-content style="fixed-case">EA</jats:styled-content>) group.</jats:p></jats:sec><jats:sec><jats:title>Design</jats:title><jats:p>Randomized‐controlled trial.</jats:p></jats:sec><jats:sec><jats:title>Methods</jats:title><jats:p>Two hundred and sixty‐one women who were &lt;18 weeks pregnant consented to take part. Those allocated to the <jats:styled-content style="fixed-case">HC</jats:styled-content> group received a tailored <jats:styled-content style="fixed-case">HC</jats:styled-content> intervention delivered by a Health Coach, whilst those in the <jats:styled-content style="fixed-case">EA</jats:styled-content> group attended two education sessions. Women completed measures, including motivation, psychosocial variables, sleep quality, and knowledge, beliefs and expectations concerning <jats:styled-content style="fixed-case">GWG</jats:styled-content>, at 15 weeks of gestation (Time 1) and 33 weeks of gestation (Time 2). Post‐birth data were also collected at 2 months post‐partum (Time 3).</jats:p></jats:sec><jats:sec><jats:title>Results</jats:title><jats:p>There was no intervention effect in relation to weight gained during pregnancy, rate of excessive <jats:styled-content style="fixed-case">GWG</jats:styled-content> or birth outcomes. The only differences between <jats:styled-content style="fixed-case">HC</jats:styled-content> and <jats:styled-content style="fixed-case">EA</jats:styled-content> women were higher readiness (<jats:italic>b </jats:italic>= 0.29, 95% <jats:styled-content style="fixed-case">CI</jats:styled-content>s = 0.03–0.55, <jats:italic>p </jats:italic>&lt;<jats:italic> </jats:italic>.05) and the importance to achieve a healthy <jats:styled-content style="fixed-case">GWG</jats:styled-content> (<jats:italic>b </jats:italic>=<jats:italic> </jats:italic>0.27, 95% <jats:styled-content style="fixed-case">CI</jats:styled-content>s = 0.02–0.52, <jats:italic>p </jats:italic>&lt;<jats:italic> </jats:italic>.05), improved sleep quality (<jats:italic>b </jats:italic>=<jats:italic> </jats:italic>−0.22, 95% <jats:styled-content style="fixed-case">CI</jats:styled-content>s = −0.44 to −0.03, <jats:italic>p </jats:italic>&lt;<jats:italic> </jats:italic>.05), and increased knowledge for an appropriate amount of <jats:styled-content style="fixed-case">GWG</jats:styled-content> that would be best for their baby's health (<jats:italic>b </jats:italic>=<jats:italic> </jats:italic>−1.75, 95% <jats:styled-content style="fixed-case">CI</jats:styled-content><jats:italic> </jats:italic>= −3.26 to −0.24, <jats:italic>p </jats:italic>&lt;<jats:italic> </jats:italic>.05) reported by the <jats:styled-content style="fixed-case">HC</jats:styled-content> at Time 2.</jats:p></jats:sec><jats:sec><jats:title>Conclusions</jats:title><jats:p>Whilst the <jats:styled-content style="fixed-case">HC</jats:styled-content> intervention was not successful in preventing excessive <jats:styled-content style="fixed-case">GWG</jats:styled-content>, several implications for the design of future <jats:styled-content style="fixed-case">GWG</jats:styled-content> interventions were identified, including the burden of the intervention commitment and the use of weight monitoring.</jats:p></jats:sec><jats:sec><jats:label /><jats:p> <jats:boxed-text content-type="box" position="anchor"><jats:caption><jats:title>Statement of contribution</jats:title></jats:caption><jats:p> <jats:italic> <jats:bold>What is already known on the subject?</jats:bold> </jats:italic> </jats:p><jats:p> <jats:list list-type="bullet"> <jats:list-item><jats:p>Designing interventions to address gestational weight gain (<jats:styled-content style="fixed-case">GWG</jats:styled-content>) continues to be a challenge.</jats:p></jats:list-item> <jats:list-item><jats:p>To date, health behaviour change factors have not been the focus of <jats:styled-content style="fixed-case">GWG</jats:styled-content> interventions.</jats:p></jats:list-item> </jats:list> </jats:p><jats:p> <jats:italic> <jats:bold>What does this study add?</jats:bold> </jats:italic> </jats:p><jats:p> <jats:list list-type="bullet"> <jats:list-item><jats:p>Our health coaching (<jats:styled-content style="fixed-case">HC</jats:styled-content>) intervention did not reduce <jats:styled-content style="fixed-case">GWG</jats:styled-content> more so than education alone (<jats:styled-content style="fixed-case">EA</jats:styled-content>).</jats:p></jats:list-item> <jats:list-item><jats:p>There was an intervention effect on readiness and importance to achieve healthy <jats:styled-content style="fixed-case">GWG</jats:styled-content>.</jats:p></jats:list-item> <jats:list-item><jats:p>Yet there were no group differences regarding confidence to achieve healthy <jats:styled-content style="fixed-case">GWG</jats:styled-content> post‐intervention.</jats:p></jats:list-item> </jats:list> </jats:p></jats:boxed-text> </jats:p></jats:sec>
Original languageEnglish
Pages (from-to)31-51
Number of pages0
JournalBritish Journal of Health Psychology
Volume21
Issue number1
Early online date31 Jul 2015
DOIs
Publication statusPublished - Feb 2016

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