Why do diets fail? An exploration of dieters’ experiences using thematic analysis

Buchanan, Kiera; Sheffield, Jeanie

doi:10.1177/1359105315618000

Cited by 24 publications

(24 citation statements)

References 38 publications

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“…To alleviate this limitation, we restricted weight-loss coding to those who did not exhibit a re-gain in weight at a later visit over the 3 years of the study. Our logic was based on the unfortunate fact that most diets fail and can be characterized by re-gain of original weight lost [20, 21]. However, we also performed a sensitivity analysis classifying cachexia without removing those who regained weight later in the study and still observed a statistically significant increased risk of death for COPD cases with cachexia (Additional file 1: Figure S1).…”

Section: Discussionmentioning

confidence: 99%

It’s more than low BMI: prevalence of cachexia and associated mortality in COPD

et al. 2019

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Background Cachexia is associated with increased mortality risk among chronic obstructive pulmonary disease (COPD) patients. However, low body mass index (BMI) as opposed to cachexia is often used, particularly when calculating the BODE (BMI, Obstruction, Dyspnea and Exercise) index. For this reason, we examined mortality using a consensus definition and a weight-loss definition of cachexia among COPD cases and compared two new COPD severity indices with BODE. Methods In the current report, the consensus definition for cachexia incorporated weight-loss > 5% in 12-months or low BMI in addition to 3/5 of decreased muscle strength, fatigue, anorexia, low FFMI and inflammation. The weight-loss definition incorporated weight-loss > 5% or weight-loss > 2% (if low BMI) in 12-months. The low BMI component in BODE was replaced with the consensus definition to create the CODE (Consensus cachexia, Obstruction, Dyspnea and Exercise) index and the weight-loss definition to create the WODE (Weight loss, Obstruction, Dyspnea and Exercise) index. Mortality was assessed using Kaplan-Meier survival and Cox Regression. Performance of models was compared using C-statistics. Results Among 1483 COPD cases, the prevalences of cachexia by the consensus and weight-loss definitions were 4.7 and 10.4%, respectively. Cachectic patients had a greater than three-fold increased mortality by either the consensus or the weight-loss definition of cachexia independent of BMI and lung function. The CODE index predicted mortality slightly more accurately than the BODE and WODE indices. Conclusions Cachexia is associated with increased mortality among COPD patients. Monitoring cachexia using weight-loss criteria is relatively simple and predictive of mortality among COPD cases who may be missed if only low BMI is used. Electronic supplementary material The online version of this article (10.1186/s12931-019-1073-3) contains supplementary material, which is available to authorized users.

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Section: Discussionmentioning

confidence: 99%

It’s more than low BMI: prevalence of cachexia and associated mortality in COPD

et al. 2019

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“…Consequently, “the determination of the position of the person within the life space is the first prerequisite for understanding behavior” (Lewin, 1946b, p. 248). These forces are usually difficult to change, as people find when they try to change their behavior (Buchanan & Sheffield, 2017; Hawkes, 2016). Thus, Lewin (1947c) saw unfreezing as a challenging process of reeducation (Lewin & Grabbe, 1945), whereby, as Benne (1976) notes, “Men and women alter, replace, or transcend patterns of thinking, valuation, volition, or overt behavior” (p. 29).…”

Section: Discussion: Lewin’s Three-step Modelmentioning

confidence: 99%

The Origins of Lewin’s Three-Step Model of Change

Burnes

2019

The Journal of Applied Behavioral Science

130

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At the time of his death in 1947, Kurt Lewin was seen as one of the foremost psychologists of his day. He is now best known for his three-step model of change. However, this has been criticized for its “simplicity,” and it has even been suggested that Lewin “never developed such a model,” yet this ignores its links to the rest of Lewin’s work. Surprisingly, there appears to have been no rigorous attempt to understand the connection between Lewin’s early work on field theory and his later work on social and organizational change. In addressing this gap in the Lewin literature, this article will not only show that the three-step model of change is far from being simplistic but also that it was a well-thought-out approach to change based on his development of field theory. The main difference between the two is one of nomenclature rather than substance.

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“…This disparity is in part explained by low rates of adherence to available programs that would otherwise result in desired weight loss . In fact, there is little doubt that adherence is more important to obesity management than the type of diet prescribed .…”

Section: Introductionmentioning

confidence: 99%

Percutaneous CT‐Guided Cryovagotomy in Patients with Class I or Class II Obesity: A Pilot Trial

Prologo

Lee

Bergquist

et al. 2019

Obesity

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Objective: This study evaluated the safety of percutaneous CT-guided cryoablation of the vagus nerve (percutaneous cryovagotomy) in participants with class I or class II obesity. Methods: The study was an open-label, single-group, prospective pilot investigation designed around safetyrelated stopping criteria. Twenty participants with 30 > BMI > 37 underwent percutaneous cryovagotomy with follow-up visits at day 7, 45, 90, and 180. Data related to adverse events, technical success, weight loss, quality of life, dietary intake, global impressions of hunger change, activity, and body composition were analyzed. Results: The procedural technical success rate was 100%. There were no adverse events in 19 participants who completed the trial. Ninety-five percent of patients reported decreased appetite following the procedure, and reductions in mean absolute weight and BMI were observed at all time points. The mean quality of life and activity scores improved from baseline to 6 months post procedure, and mean caloric intake and overall body fat decreased over the same period. Conclusions: Percutaneous CT-guided cryovagotomy is feasible and was tolerated without complications or adverse events in this cohort. Quantitative preliminary data from this pilot investigation inform the design of a larger prospective randomized clinical trial.

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Why do diets fail? An exploration of dieters’ experiences using thematic analysis

Cited by 24 publications

References 38 publications

It’s more than low BMI: prevalence of cachexia and associated mortality in COPD

It’s more than low BMI: prevalence of cachexia and associated mortality in COPD

The Origins of Lewin’s Three-Step Model of Change

Percutaneous CT‐Guided Cryovagotomy in Patients with Class I or Class II Obesity: A Pilot Trial

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