Design and protocol of a randomized multiple behavior change trial: Make Better Choices 2 (MBC2).

Abstract:

BACKGROUND:Suboptimal diet and inactive lifestyle are among the most prevalent preventable causes of premature death. Interventions that target multiple behaviors are potentially efficient; however the optimal way to initiate and maintain multiple health behavior changes is unknown. OBJECTIVE:The Make Better Choices 2 (MBC2) trial aims to examine whether sustained healthful diet and activity change are best achieved by targeting diet and activity behaviors simultaneously or sequentially. Study design approximately 250 inactive adults with poor quality diet will be randomized to 3 conditions examining the best way to prescribe healthy diet and activity change. The 3 intervention conditions prescribe: 1) an increase in fruit and vegetable consumption (F/V+), decrease in sedentary leisure screen time (Sed-), and increase in physical activity (PA+) simultaneously (Simultaneous); 2) F/V+ and Sed- first, and then sequentially add PA+ (Sequential); or 3) Stress Management Control that addresses stress, relaxation, and sleep. All participants will receive a smartphone application to self-monitor behaviors and regular coaching calls to help facilitate behavior change during the 9 month intervention. Healthy lifestyle change in fruit/vegetable and saturated fat intakes, sedentary leisure screen time, and physical activity will be assessed at 3, 6, and 9 months. SIGNIFICANCE:MBC2 is a randomized m-Health intervention examining methods to maximize initiation and maintenance of multiple healthful behavior changes. Results from this trial will provide insight about an optimal technology supported approach to promote improvement in diet and physical activity.

journal_name

Contemp Clin Trials

authors

Pellegrini CA,Steglitz J,Johnston W,Warnick J,Adams T,McFadden HG,Siddique J,Hedeker D,Spring B

doi

10.1016/j.cct.2015.01.009

subject

Has Abstract

pub_date

2015-03-01 00:00:00

pages

85-92

eissn

1551-7144

issn

1559-2030

pii

S1551-7144(15)00021-X

journal_volume

41

pub_type

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