The Effects of If-Then Plans on Weight Loss: Results of the McGill CHIP Healthy Weight Program Randomized Controlled Trial

Bärbel Knäuper , Kimberly Carrière , Mallory Frayn , Elena Ivanowa , Zhen Xu , Anaïs Ames-Bull , Farah Islam , Ilka Lowensteyn , Gentiana Sadikaj , Aleksandra Łuszczyńska , Steven Grover

Abstract

Objective: The NIH-developed Diabetes Prevention Program (DPP) is successful in achieving clinically significant weight loss in individuals with overweight/obesity when delivered one-on-one. The groupbased DPP is less effective, with average weight losses of only 3.5%. The objective of this study was to increase weight loss outcomes of the group-based DPP by integrating habit formation tools (i.e., if-then plans). This two-arm randomized controlled trial tested the efficacy of the habit formation–enhanced group-based DPP compared with the standard group-based DPP on changes in body weight (primary outcome). This study presents the 3- and 12-month results of this 24-month trial. Methods: A total of 208 participants were randomly assigned to the standard or enhanced DPP, and 172 participated. Participants were men and women with overweight/obesity who self-reported less than 200 min/wk of exercise. Results: Both groups achieved high weight losses at 3 (5.76%) and 12 (9.98%) months, with no differences between groups (v2<1). Both groups improved in blood pressure and physical activity. Conclusions: If-then plans did not result in higher weight loss. Both program versions resulted in higher weight loss than the group-based DPP. This may suggest that cognitive behavioral therapy skills of the coaches (clinical psychology doctoral students) was a key factor in treatment outcome.
Autor Bärbel Knäuper
Bärbel Knäuper
-
, Kimberly Carrière
Kimberly Carrière
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, Mallory Frayn
Mallory Frayn
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, Elena Ivanowa
Elena Ivanowa
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, Zhen Xu
Zhen Xu
-
, Anaïs Ames-Bull
Anaïs Ames-Bull
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, Farah Islam
Farah Islam
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, Ilka Lowensteyn
Ilka Lowensteyn
-
, Gentiana Sadikaj
Gentiana Sadikaj
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, Aleksandra Łuszczyńska (Filia we Wrocławiu / II Wydział Psychologii we Wrocławiu)
Aleksandra Łuszczyńska
- II Wydział Psychologii we Wrocławiu
et al.
Autor instytucjonalnyThe McGill CHIP Healthy Weight Program Investigators
Tytuł czasopisma/seriiObesity, ISSN 1930-7381, (A 40 pkt)
Rok wydania2018
Tom26
Nr8
Paginacja1285-1295
Objętość publikacji w arkuszach wydawniczych0.5
Klasyfikacja ASJC2916 Nutrition and Dietetics; 1310 Endocrinology; 2712 Endocrinology, Diabetes and Metabolism; 2701 Medicine (miscellaneous)
DOIDOI:10.1002/oby.22226
Języken angielski
Plik
The effects of it-then.pdf 552.15 KB
Pliki dodatkowe
The effects of it-then_oświadczenie Łuszczyńska.pdf 645.39 KB
Punktacja (całkowita)40
Żródło punktacjijournalList
Wskaźniki publikacji Scopus SNIP (Source Normalised Impact per Paper): 2016 = 1.217; Impact Factor WoS: 2017 = 4.042 (2) - 2017=4.355 (5)
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