Self-monitoring in weight loss: a systematic review of the literature.
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Date
2010-12-27
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Abstract
Self monitoring is the centerpiece of behavioral weight loss intervention programs This article presents a systematic review of the literature on three components of self monitoring in behavioral weight loss studies diet exercise and self weighing This review included articles that were published between 1993 and 2009 that reported on the relationship between weight loss and these self monitoring strategies Of the 22 studies identified 15 focused on dietary self monitoring one on self monitoring exercise and six on self weighing A wide array of methods was used to perform self monitoring the paper diary was used most often Adherence to self monitoring was reported most frequently as the number of diaries completed or the frequency of log ins or reported weights The use of technology which included the Internet personal digital assistants and electronic digital scales were reported in five studies Descriptive designs were used in the earlier studies whereas more recent reports involved prospective studies and randomized trials that examined the effect of self monitoring on weight loss A significant association between self monitoring and weight loss was consistently found however the level of evidence was weak because of methodologic limitations The most significant limitations of the reviewed studies were the homogenous samples and reliance on self report In all but two studies the samples were predominantly white and women This review highlights the need for studies in more diverse populations for objective measures of adherence to self monitoring and for studies that establish the required dose of self monitoring for successful outcomes