Title

Adding telephone and text support to an obesity management program improves behavioral adherence and clinical outcomes: a randomized controlled crossover trial

Document Type

Article

Publication details

Lewis, E, Huang, HC, Hassmén, P, Welvaert, M & Pumpa, KL 2019, 'Adding telephone and text support to an obesity management program improves behavioral adherence and clinical outcomes: a randomized controlled crossover trial', International Journal of Behavioral Medicine.

Published version available from:

https://dx.doi.org/10.1007/s12529-019-09815-1

Peer Reviewed

Peer-Reviewed

Abstract

BACKGROUND: Behavioral treatment strategies improve adherence to lifestyle intervention for adults with obesity, but can be time and resource intensive when delivered via traditional face-to-face care. This study aimed to investigate the efficacy and optimal timing of using telephone calls and text message as adjunctive tools to support a community-based obesity management program.
METHOD: This 8-month randomized controlled crossover trial recruited 61 adults with class III obesity (BMI > 40 kg/m2) enrolled in a publicly funded obesity management service (OMS). Participants were randomly assigned to receive telephone and text message support in addition to standard OMS care, or standard OMS care alone. After 4 months, participants crossed over to the alternative sequence. The technological support was based on self-determination theory. Outcome measures included diet, physical activity, anthropometry, self-efficacy, and treatment self-regulation.
RESULTS: Telephone and text message support improved lifestyle intervention adherence and clinical outcomes when compared with standard care. Participants who received the intervention in the first 4-month period lost 4.87 kg, compared with no weight loss (+ 0.38 kg) in the standard care only group. There was no evidence to indicate an optimal timing of the intervention, with both groups achieving significant results by the end of the intervention.
CONCLUSION: These results suggest a high degree of promise for the incorporation of telephone and text message support into community-based obesity management services. The findings have the potential to improve existing practices and reduce the burden on the health care system by demonstrating a resource-effective improvement to obesity management service delivery.

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