A web-based intervention to increase weight loss treatment initiation: results of a cluster randomized feasibility and acceptability trial

Megan A McVay, William S Yancy, Gary G Bennett, Erica Levine, Seung-Hye Jung, Soyeon Jung, Steve Anton, Corrine I Voils, Megan A McVay, William S Yancy, Gary G Bennett, Erica Levine, Seung-Hye Jung, Soyeon Jung, Steve Anton, Corrine I Voils

Abstract

Evidence-based behavioral weight loss treatment is under-utilized. To increase initiation of treatment, we developed a single-session, online, primary care-based intervention ("mobilization tool"). We evaluated the mobilization tool's acceptability for primary care patients with obesity, trial design feasibility, and signal of an effect of the tool on treatment initiation. In this cluster randomized feasibility trial, primary care providers (PCPs) were randomized to a mobilization tool or comparator tool arm. Patients with obesity and a scheduled appointment with a randomized PCP were assigned to complete the mobilization or comparator tool prior to their appointment. The online mobilization tool asks patients to answer questions about a variety of weight-related topics and then provides automated, tailored feedback that addresses psychosocial determinants of weight loss treatment initiation. The comparator tool provided a nontailored description of treatments. All participants were offered free enrollment in behavioral weight loss treatments. Six PCPs were randomized. Sixty patients (57% female; 66% white; aged 55 ± 13 years) participated in this study of 296 contacted for eligibility evaluation (20.2%). Six-month follow-up assessments were completed by 65% (22/34) of the mobilization and 73% (19/26) of comparator tool participants. Participants completing the acceptability survey reported that the mobilization tool was usable, enjoyable, informative, and useful. Weight loss treatment was initiated by 59% (n = 19) of mobilization and 33% (n = 8) of comparator tool participants. The mobilization tool shows promise for increasing treatment initiation among primary care patients, which may increase population weight loss. Trial Registration: Clinicaltrials.gov identifier: NCT02708121.

Keywords: Feasibility study; Obesity management; Primary health care; Web-based; Weight loss.

© The Author(s) 2019. Published by Oxford University Press on behalf of the Society of Behavioral Medicine.

Figures

Fig. 1
Fig. 1
Conceptual model of treatment initiation and hypothesized effects of mobilization tool on treatment initiation.
Fig. 2
Fig. 2
Participant flow chart following Consolidated Standards of Reporting Trials guidelines. BMI = body mass index. PCP = primary care provider. EHR = electronic health record. Participants who did not complete the 6 month assessment were lost to follow-up.

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Source: PubMed

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