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Randomized Controlled Trial
. 2011 Apr;41(2):252-63.
doi: 10.1007/s12160-010-9240-2.

Directive and nondirective e-coach support for weight loss in overweight adults

Jeanne Marisa Gabriele  1 , Brian D Carpenter, Deborah F Tate, Edwin B Fisher
Affiliations
Randomized Controlled Trial

Directive and nondirective e-coach support for weight loss in overweight adults

Jeanne Marisa Gabriele et al. Ann Behav Med. 2011 Apr.

Abstract

Background: Although e-coach support increases the effectiveness of Internet weight loss interventions, no studies have assessed influence of type of e-coach support.

Purpose: The effects of nondirective (collaborative, flexible) and directive (prescriptive, protocol driven) e-coach support on weight loss, dietary behavior, physical activity, and engagement were assessed in a 12-week weight loss e-coaching program.

Procedures: Overweight adults (N = 104) were randomly assigned to nondirective, directive, or minimal support. All received weekly lessons and feedback graphs via e-mail. Participants in the nondirective and directive support conditions received individualized nondirective or directive weight loss support.

Results: For females, weight loss (η(2) = 0.10) and changes in waist circumference (η(2) = 0.07) were greater in the directive than in the nondirective and minimal support conditions.

Conclusions: Differences in type of e-coach support are salient to participants. Directive support is beneficial to females in a 12-week e-coach weight loss program.

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Figures

Fig. 1
Fig. 1
Flow chart of participant attrition
See this image and copyright information in PMC

References

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