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Weight loss and attrition in overweight and obese young women during a 36- week internet-based lifestyle intervention

Lim, S. S., Norman, R. J., Clifton, P. M. and Noakes, M. 2014, Weight loss and attrition in overweight and obese young women during a 36- week internet-based lifestyle intervention, Journal of obesity & weight loss therapy, vol. 4, no. 4, pp. 1-8, doi: 10.4172/2165-7904.1000235.

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Title Weight loss and attrition in overweight and obese young women during a 36- week internet-based lifestyle intervention
Author(s) Lim, S. S.
Norman, R. J.
Clifton, P. M.
Noakes, M.
Journal name Journal of obesity & weight loss therapy
Volume number 4
Issue number 4
Start page 1
End page 8
Total pages 8
Publisher OMICS Publishing Group
Place of publication Hyderabad, India
Publication date 2014
ISSN 2165-7904
Keyword(s) weight reduction programs
diet
exercise
internet
womens health
Summary Background: Young women are at high risk of weight gain yet few studies have examined the long-term effectiveness of weight loss programs in this group. This study aimed to investigate the effects of a self-directed internet-based lifestyle program on body weight in young women.

Methods: Overweight or obese young women (BMI 33.4 ± 0.3 kg/m2, age 27.8 ± 0.3 years) were initially randomized to General lifestyle advice (G) or Structured lifestyle advice (S) via in-person and website support for 12 weeks (Phase I). After Phase I, all participants were supported through a self-directed internet-based program for 36 weeks (Phase II). The internet-based program included a structured hypocaloric diet, physical activity program, self-monitoring tools, peer group forum and monthly emails. Body weight, energy intake and physical activity were measured at week 0, week 12, week 24 and week 48. Adherence to self-regulatory behaviors was measured at week 48. Mixed model analyses were conducted to determine changes in body weight, energy intake and physical activity.

Results: A total of 203 overweight or obese young women commenced Phase I and 130 commenced Phase II. In Phase I, S group had significantly greater weight loss than G group (4.2 ± 0.6 kg vs 0.6 ± 0.3 kg, P<0.001). In Phase II, both groups had significant weight loss over time without significant group differences (-0.8 ± 1.1kg vs -0.8 ± 0.6, P>0.05). Forty-one percent (53/130) of the participants who commenced Phase II completed the internet-based intervention. Dropouts had a higher baseline BMI, were more likely to be married or in a de facto relationship, and more likely to have at least one child.

Conclusions: A self-directed internet-based program could be effective in providing support in maintaining weight loss on a structured lifestyle program in young women over 36 weeks. Further research is required to maintain engagement in young women who were married/in a de facto relationship or have children.
Language eng
DOI 10.4172/2165-7904.1000235
Field of Research 119999 Medical and Health Sciences not elsewhere classified
Socio Economic Objective 929999 Health not elsewhere classified
HERDC Research category C1.1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2014, The Authors
Free to Read? Yes
Use Rights Creative Commons Attribution licence
Persistent URL http://hdl.handle.net/10536/DRO/DU:30079825

Document type: Journal Article
Collections: School of Medicine
Open Access Collection
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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.