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A comparison of recruitment methods for an mHealth intervention targeting mothers: lessons from the growing healthy program

Laws, Rachel A, Litterbach, Eloise-Kate V, Denney-Wilson, Elizabeth A, Russell, Catherine G, Taki, Sarah, Ong, Kok-Leong, Elliott, Rosalind M, Lymer, Sharyn J and Campbell, Karen J 2016, A comparison of recruitment methods for an mHealth intervention targeting mothers: lessons from the growing healthy program, Journal of medical internet research, vol. 18, no. 9, Article number: e248, pp. 1-15, doi: 10.2196/jmir.5691.

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Title A comparison of recruitment methods for an mHealth intervention targeting mothers: lessons from the growing healthy program
Author(s) Laws, Rachel AORCID iD for Laws, Rachel A orcid.org/0000-0003-4328-1116
Litterbach, Eloise-Kate V
Denney-Wilson, Elizabeth A
Russell, Catherine G
Taki, Sarah
Ong, Kok-Leong
Elliott, Rosalind M
Lymer, Sharyn J
Campbell, Karen JORCID iD for Campbell, Karen J orcid.org/0000-0002-4499-3396
Journal name Journal of medical internet research
Volume number 18
Issue number 9
Season Article number: e248
Start page 1
End page 15
Total pages 15
Publisher JMIR Publications
Place of publication Toronto, Ont.
Publication date 2016-09
ISSN 1439-4456
1438-8871
Keyword(s) recruitment
mHealth
parents
social media
obesity prevention
infant feeding
children
infants
practitioners
primary health care
Summary BACKGROUND: Mobile health (mHealth) programs hold great promise for increasing the reach of public health interventions. However, mHealth is a relatively new field of research, presenting unique challenges for researchers. A key challenge is understanding the relative effectiveness and cost of various methods of recruitment to mHealth programs.

OBJECTIVE: The objectives of this study were to (1) compare the effectiveness of various methods of recruitment to an mHealth intervention targeting healthy infant feeding practices, and (2) explore factors influencing practitioner referral to the intervention.

METHODS: The Growing healthy study used a quasi-experimental design with an mHealth intervention group and a concurrent nonrandomized comparison group. Eligibility criteria included: expectant parents (>30 weeks of gestation) or parents with an infant <3 months old, ability to read and understand English, own a mobile phone, ≥18 years old, and living in Australia. Recruitment to the mHealth program consisted of: (1) practitioner-led recruitment through Maternal and Child Health nurses, midwives, and nurses in general practice; (2) face-to-face recruitment by researchers; and (3) online recruitment. Participants' baseline surveys provided information regarding how participants heard about the study, and their sociodemographic details. Costs per participant recruited were calculated by taking into account direct advertising costs and researcher time/travel costs. Practitioner feedback relating to the recruitment process was obtained through a follow-up survey and qualitative interviews.

RESULTS: A total of 300 participants were recruited to the mHealth intervention. The cost per participant recruited was lowest for online recruitment (AUD $14) and highest for practice nurse recruitment (AUD $586). Just over half of the intervention group (50.3%, 151/300) were recruited online over a 22-week period compared to practitioner recruitment (29.3%, 88/300 over 46 weeks) and face-to-face recruitment by researchers (7.3%, 22/300 over 18 weeks). No significant differences were observed in participant sociodemographic characteristics between recruitment methods, with the exception that practitioner/face-to-face recruitment resulted in a higher proportion of first-time parents (68% versus 48%, P=.002). Less than half of the practitioners surveyed reported referring to the program often or most of the time. Key barriers to practitioner referral included lack of time, difficulty remembering to refer, staff changes, lack of parental engagement, and practitioner difficulty in accessing the app.

CONCLUSIONS: Online recruitment using parenting-related Facebook pages was the most cost effective and timely method of recruitment to an mHealth intervention targeting parents of young infants. Consideration needs to be given to addressing practitioner barriers to referral, to further explore if this can be a viable method of recruitment.
Language eng
DOI 10.2196/jmir.5691
Field of Research 111711 Health Information Systems (incl Surveillance)
Socio Economic Objective 970111 Expanding Knowledge in the Medical and Health Sciences
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2016, The Authors
Free to Read? Yes
Use Rights Creative Commons Attribution licence
Persistent URL http://hdl.handle.net/10536/DRO/DU:30087670

Document type: Journal Article
Collections: School of Exercise and Nutrition Sciences
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Created: Thu, 20 Oct 2016, 09:36:23 EST

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.