Interpreting weight losses from lifestyle modification trials: using categorical data

Christian, James G.; Tsai, Adam Gilden; Bessesen, Daniel H.

doi:10.1038/ijo.2009.213

Cited by 83 publications

(74 citation statements)

References 10 publications

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“…These results should be considered satisfactory in comparison with the results achieved by other authors [11][12][13]. The meta-analysis of the scores related to following various programs modifying lifestyle has shown that about 30% of participants had weight loss ≥ 10%, 25% between 5% and 9.9%, and 40% ≤ 4.9% [11]. The lowest effectiveness of losing weight defined as weight loss maintained for at least 1 year was described in the group of 14,306 adult Americans (the 1999-2006 National Health and Nutrition Examination Survey) [12].…”

Section: Discussionsupporting

confidence: 81%

“…This was present in 92 individuals after 12 months (71.3%) and 88 individuals after 24 months (68.2%), respectively. These results should be considered satisfactory in comparison with the results achieved by other authors [11][12][13]. The meta-analysis of the scores related to following various programs modifying lifestyle has shown that about 30% of participants had weight loss ≥ 10%, 25% between 5% and 9.9%, and 40% ≤ 4.9% [11].…”

Section: Discussionsupporting

confidence: 56%

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Changes in body mass during weight loss treatment – a two-year prospective study

Krekora-Wollny¹,

Suliga²

2017

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Introduction: A reduction of 5% to 10% of body mass is related to a significantly lower risk of the occurrence of conditions whose underlying cause is obesity. Aim of the research: The analysis of body mass and body composition changes in overweight and obese patients undergoing weight loss treatment. Material and methods: A total of 129 overweight and obese individuals qualified for the study. All patients were instructed to follow a healthy, balanced diet based on the nutritional standards. The patients were subjected to anthropometric measurements and body composition tests by means of bioimpedance analysis. The analysis included measurements performed 3, 6, 12, and 24 months after the first appointment. One-factor analysis of variance was applied to test the changes of body mass and composition in the following months. Results: The average body mass index of the patients decreased on consequent follow-up appointments from 33.8 ±5.17 kg/m

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Section: Discussionsupporting

confidence: 81%

Section: Discussionsupporting

confidence: 56%

Changes in body mass during weight loss treatment – a two-year prospective study

Krekora-Wollny¹,

Suliga²

2017

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“…to split the group by the median value, would be an inappropriate approach. A systematic review on the outcome of weight loss lifestyle modification programs found that, at 1 year, about 30% of the participants had achieved a weight loss of 10%, 25% a loss of between 5% and 9.9%, and 40% a loss of 4.9% [22,23]. Our success rates even indicate a slight superiority and at least fulfil these criteria derived from published studies.…”

Section: Discussionsupporting

confidence: 52%

High and Low Responders in a Comprehensive Lifestyle Program for Weight Loss - Secondary Analysis of a Randomized Controlled Trial

2017

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Background/Objectives: Unhealthy lifestyle is often related to overweight and obesity and thus to chronic diseases. Web-based programs might be an option for a comprehensive approach to improving long-term weight management. Data from a randomized controlled trial (RCT) evaluating the impact of a lifestyle program on weight reduction were used for a secondary analysis. The objectives were (a) to identify potential predictors for marked weight loss, (b) to explore associations of weight reduction with changes in health-related variables, and (c) to evaluate whether self-monitoring of the daily lifestyle is associated with weight loss. Methods: 67 subjects with a body mass index of 28-35 who underwent the 1-year ‘Individual Health Management' (IHM) program were included in the analysis (mean age 49.8 years, 79% female). Two subgroups (high response: ≥7.5% weight reduction vs. low response: <7.5%) were compared in terms of sociodemographic data, baseline values, and pre-post changes of various risk and protective factors. A logistic regression was performed to identify potential predictors of weight loss. Results: 70% of the subjects fulfilled the criterion of high response. There were no statistically significant differences between the two subgroups with respect to sociodemographic and baseline data. Regression analysis failed to identify any predictors for the amount of weight reduction. Subjects with high response showed a more distinct improvement in life satisfaction and neurovegetative stability. The findings indicated an association between the level of self-monitoring and weight loss. Conclusions: More research is needed to establish optimal strategies for maximizing the longer-term maintenance of weight loss and prevention effects. For weight reduction, support strategies like feedback learning through self-monitoring, reporting systems, and self-performance measurement with questionnaires might ameliorate high-intensity lifestyle modification programs.

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“…These potential mediating variables were examined continuously, then categorically as: 3 clinically relevant categories of weight loss: 21,22 <5%, ≥5%-10%, and ≥10% loss; change in pedometer steps/day corresponding to a decrease/no change (≤0 steps/ day), an increase up to 2 miles/day (1-3520 steps/day), or >2 miles/day (>3520 steps/day); and tertiles of change in total body fat (kg) and VO 2 max (L/min). Models included age, group assignment, and the baseline value of the outcome variable as covariates.…”

Section: Discussionmentioning

confidence: 99%

Dietary Weight Loss and Exercise Effects on Insulin Resistance in Postmenopausal Women

2011

American Journal of Preventive Medicine

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Background-Comprehensive lifestyle interventions are effective in preventing diabetes and restoring glucose regulation; however, the key stimulus for change has not been identified and effects in older individuals are not established. The aim of the study was to investigate the independent and combined effects of dietary weight-loss and exercise on insulin sensitivity and restoration of normal fasting glucose in mid-aged and older women.

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Interpreting weight losses from lifestyle modification trials: using categorical data

Cited by 83 publications

References 10 publications

Changes in body mass during weight loss treatment – a two-year prospective study

Changes in body mass during weight loss treatment – a two-year prospective study

High and Low Responders in a Comprehensive Lifestyle Program for Weight Loss - Secondary Analysis of a Randomized Controlled Trial

Dietary Weight Loss and Exercise Effects on Insulin Resistance in Postmenopausal Women

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