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Feasibility and efficacy of a parent-focused, text message-delivered intervention to reduce sedentary behavior in 2- to 4-year-old children (Mini Movers): pilot randomized controlled trial

Downing, Katherine L., Salmon, Jo, Hinkley, Trina, Hnatiuk, Jill A. and Hesketh, Kylie 2018, Feasibility and efficacy of a parent-focused, text message-delivered intervention to reduce sedentary behavior in 2- to 4-year-old children (Mini Movers): pilot randomized controlled trial, JMIR Mhealth Uhealth, vol. 6, no. 2, pp. 1-15, doi: 10.2196/mhealth.8573.

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Title Feasibility and efficacy of a parent-focused, text message-delivered intervention to reduce sedentary behavior in 2- to 4-year-old children (Mini Movers): pilot randomized controlled trial
Author(s) Downing, Katherine L.ORCID iD for Downing, Katherine L. orcid.org/0000-0002-6552-8506
Salmon, JoORCID iD for Salmon, Jo orcid.org/0000-0002-4734-6354
Hinkley, TrinaORCID iD for Hinkley, Trina orcid.org/0000-0003-2742-8579
Hnatiuk, Jill A.ORCID iD for Hnatiuk, Jill A. orcid.org/0000-0002-5754-7176
Hesketh, KylieORCID iD for Hesketh, Kylie orcid.org/0000-0002-2702-7110
Journal name JMIR Mhealth Uhealth
Volume number 6
Issue number 2
Article ID e39
Start page 1
End page 15
Total pages 15
Publisher JMIR Publications
Place of publication Toronto, Ont.
Publication date 2018-02-09
ISSN 2291-5222
Keyword(s) child behavior
children
mHealth
Science & Technology
Life Sciences & Biomedicine
Health Care Sciences & Services
Medical Informatics
AGED 0-4 YEARS
PHYSICAL-ACTIVITY
PRESCHOOL-CHILDREN
EARLY-CHILDHOOD
SELF-EFFICACY
HEALTH-STATUS
SCREEN TIME
RELIABILITY
ASSOCIATION
OVERWEIGHT
Summary BACKGROUND: Despite public health guidelines to limit sedentary behavior, many young children spend large amounts of time sedentary (eg, screen and sitting time) during waking hours.

OBJECTIVE: The objective of this study was to test the feasibility and efficacy of a parent-focused, predominantly text message-delivered intervention to support parents to reduce the amount of time their children spend in sedentary behavior.

METHODS: Mini Movers was a pilot randomized controlled trial delivered to parents of 2- to 4-year-old children in Melbourne, Australia. Participants were recruited through playgroups, social media, and snowball sampling. Eligibility criteria were having an ambulatory child (2-4 years), English literacy, and smartphone ownership. Participants were randomized to intervention or wait-list control on a 1:1 ratio after baseline data collection. The 6-week intervention was predominantly delivered via text messages, using a Web-based bulk text message platform managed by the interventionist. Intervention strategies focused on increasing parental knowledge, building self-efficacy, setting goals, and providing reinforcement, and were underpinned by the Coventry, Aberdeen & London-Refined taxonomy of behavior change techniques and social cognitive theory. The primary outcome was intervention feasibility, measured by recruitment, retention, intervention delivery, and fidelity; process evaluation questionnaires; and qualitative interviews with a subsample of participants. Secondary outcomes were children's screen and restraint time (parent report), sitting time (parent report, activPAL), and potential mediators (parent report). Linear regression models were used to determine intervention effects on secondary outcomes, controlling for the child's sex and age and clustering by playgroup; effect sizes (Cohen's d) were calculated.

RESULTS: A total of 57 participants (30 intervention; 27 wait-list control) were recruited, and retention was high (93%). Process evaluation results showed that the intervention was highly acceptable to parents. The majority of intervention components were reported to be useful and relevant. Compared with children in the control group, children in the intervention group had significantly less screen time postintervention (adjusted difference [95% CI]=-35.0 [-64.1 to -5.9] min/day; Cohen's d=0.82). All other measures of sedentary behavior were in the expected direction, with small to moderate effect sizes.

CONCLUSIONS: Mini Movers was shown to be a feasible, acceptable, and efficacious pilot intervention for parents of young children, warranting a larger-scale randomized control trial.
Language eng
DOI 10.2196/mhealth.8573
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2018, Katherine L Downing, Jo Salmon, Trina Hinkley, Jill A Hnatiuk, Kylie D Hesketh.
Free to Read? Yes
Use Rights Creative Commons Attribution licence
Persistent URL http://hdl.handle.net/10536/DRO/DU:30110324

Document type: Journal Article
Collections: School of Exercise and Nutrition Sciences
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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.