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Does working memory training improve dietary self-care in type 2 diabetes mellitus? Results of a double blind randomised controlled trial.

Abstract：

AIMS:Controlling food intake despite adequate knowledge remains a struggle for many people with type 2 diabetes. The present study investigated whether working memory training can reduce food intake and improve glycaemic control. It also examined training effects on cognition, food cravings, and dietary self-efficacy and self-care. METHODS:In a double-blind multicentre parallel-group randomised controlled trial, adults with type 2 diabetes mellitus were randomly allocated to receive 25 sessions of either active (n = 45) or control (n = 36) working memory training. Assessments at baseline, post-training and 3-month follow-up measured cognition, food intake (primary outcomes), glycaemic control (HbA1c) and cholesterol (secondary outcomes). Semi-structured interviews assessed participants' experiences of the training. RESULTS:Intention-to-treat ANOVAs (N = 81) showed improved non-trained updating ability in active compared to control training from pre-test (active M = 34.37, control M = 32.79) to post-test (active M = 31.35, control M = 33.53) and follow-up (active M = 31.81, control M = 32.65; η2 = 0.05). There were no overall effects of training on other measures of cognition, food intake, HbA1c, cholesterol, food cravings and dietary self-efficacy and self-care. In post-hoc analyses, those high in dietary restraint in the active training group showed a greater reduction in fat intake pre to post-test compared to controls. Interviews revealed issues around acceptability and performance of the training. CONCLUSIONS:Transfer of working memory training effects to non-trained behaviour were limited, but do suggest that training may reduce fat intake in those who are already motivated to do so. TRIAL REGISTRATION:Current Controlled Trials ISRCTN22806944.

journal_name

Diabetes Res Clin Pract

journal_title

Diabetes research and clinical practice

authors

Whitelock V,Nouwen A,Houben K,van den Akker O,Rosenthal M,Higgs S

doi

10.1016/j.diabres.2018.07.005

subject

Has Abstract

pub_date

2018-09-01 00:00:00

pages

204-214

eissn

0168-8227

issn

1872-8227

pii

S0168-8227(18)30279-1

journal_volume

143

pub_type

杂志文章,多中心研究,随机对照试验

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Does working memory training improve dietary self-care in type 2 diabetes mellitus? Results of a double blind randomised controlled trial.