Directive and Nondirective E-Coach Support for Weight Loss in Overweight Adults

被引：57

作者：

Gabriele, Jeanne Marisa ^{[1
,2
]}

Carpenter, Brian D. ^{[3
]}

Tate, Deborah F. ^{[4
]}

Fisher, Edwin B. ^{[4
]}

机构：

[1] GV Sonny Montgomery VA Med Ctr, Jackson, MS 39216 USA

[2] Univ Mississippi, Med Ctr, Jackson, MS 39216 USA

[3] Washington Univ, Dept Psychol, St Louis, MO 63130 USA

[4] Univ N Carolina, Gillings Sch Global Publ Hlth, Chapel Hill, NC USA

来源：

ANNALS OF BEHAVIORAL MEDICINE | 2011年 / 41卷 / 02期

关键词：

Internet; Counseling; Social support; Obesity; RCT; Weight loss; PHYSICAL-ACTIVITY; OBESITY; ASSOCIATION; METABOLISM; NUTRITION; STATEMENT; GENDER; MODEL;

D O I：

10.1007/s12160-010-9240-2

中图分类号：

B84 [心理学];

学科分类号：

04 ; 0402 ;

摘要：

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 (eta(2)=0.10) and changes in waist circumference (eta(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.

引用

页码：252 / 263

页数：12

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