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A mobile health intervention promoting healthy gestational weight gain for women entering pregnancy at a high body mass index: the txt4two pilot randomised controlled trial

Willcox, Jane C., Wilkinson, S. A., Lappas, M., Ball, Kylie, Crawford, David, McCarthy, E. A., Fjeldsoe, B., Whittaker, R., Maddison, Ralph and Campbell, Karen J. 2017, A mobile health intervention promoting healthy gestational weight gain for women entering pregnancy at a high body mass index: the txt4two pilot randomised controlled trial, BJOG, In press, pp. 1-11, doi: 10.1111/1471-0528.14552.

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Title A mobile health intervention promoting healthy gestational weight gain for women entering pregnancy at a high body mass index: the txt4two pilot randomised controlled trial
Author(s) Willcox, Jane C.
Wilkinson, S. A.
Lappas, M.
Ball, KylieORCID iD for Ball, Kylie orcid.org/0000-0003-2893-8415
Crawford, DavidORCID iD for Crawford, David orcid.org/0000-0002-2467-7556
McCarthy, E. A.
Fjeldsoe, B.
Whittaker, R.
Maddison, RalphORCID iD for Maddison, Ralph orcid.org/0000-0001-8564-5518
Campbell, Karen J.ORCID iD for Campbell, Karen J. orcid.org/0000-0002-4499-3396
Journal name BJOG
Season In press
Start page 1
End page 11
Total pages 11
Publisher Wiley
Place of publication Chichester, Eng.
Publication date 2017-02-20
ISSN 1470-0328
1471-0528
Keyword(s) diet
gestational weight gain
intervention
mHealth
physical activity
pregnancy
Summary OBJECTIVE: To determine the feasibility and effectiveness of an mHealth intervention promoting healthy diet, physical activity and gestational weight gain in pregnant women.

DESIGN: Randomised controlled trial (RCT).

SETTING: Australian tertiary obstetric hospital.

POPULATION: One hundred pregnant women who were overweight or obese prior to pregnancy.

METHODS: Women recruited at the first antenatal clinic visit were randomised to either an intervention or a control group. The intervention consisted of a tailored suite of strategies delivered (from first antenatal visit until 36 weeks' gestation) via multiple modalities available on mobile devices.

MAIN OUTCOME MEASURES: The primary outcome was intervention feasibility and secondary outcomes were objectively measured changes in gestational weight gain (GWG) and self-reported dietary intake and physical activity.

RESULTS: Ninety-one women completed the study. Delivery to protocol provides evidence of program feasibility. Most women engaged regularly with the program, with the majority (97.6%) reporting that the intervention was helpful. Secondary outcomes demonstrated a significantly lower GWG in the intervention group (7.8 kg ± 4.7 versus 9.7 kg ± 3.9; P =0.041) compared with the control group at intervention completion. Intervention group women reported significantly smaller reductions in total, light- and moderate-intensity physical activity from baseline to completion of the intervention (P = 0.001) compared with the control group, but no differences in consumption frequencies of key food groups.

CONCLUSION: An intervention that aimed to deliver healthy diet, physical activity and GWG guidance utilising innovative technology can be feasibly implemented and produce positive physical activity and GWG outcomes.

TWEETABLE ABSTRACT: txt4two mHealth study improved gestational weight gain and physical activity in pregnant women with high BMIs.
Language eng
DOI 10.1111/1471-0528.14552
Field of Research 111199 Nutrition and Dietetics not elsewhere classified
11 Medical And Health Sciences
Socio Economic Objective 920401 Behaviour and Health
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2017, Royal College of Obstetricians and Gynaecologists
Persistent URL http://hdl.handle.net/10536/DRO/DU:30091578

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