Cited by 54Obesity, Physical Activity, DietDietetics, Nutrition, and EducationObesity and Health Practices

Weight Management Interventions Provided by a Dietitian for Adults with Overweight or Obesity: An Evidence Analysis Center Systematic Review and Meta-Analysis

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Morgan-Bathke, Maria, Baxter, Suzanne Domel, Halliday, Tanya M., Lynch, Amanda, Malik, Neal, Raynor, Hollie A., Garay, Jessica L., Rozga, Mary·2023·Journal of the Academy of Nutrition and Dietetics

Abstract

Background Obesity is associated with a multitude of comorbidities and considerable health care costs.Objective The objective of this review was to examine the efficacy of weight management interventions provided by a registered dietitian or international equivalent (referred to as "dietitian").Methods This systematic review and meta-analysis of randomized controlled trials (RCTs) examined the effect of weight management interventions provided by a dietitian, compared with usual care or no intervention, on several cardiometabolic outcomes and quality of life in adults with overweight or obesity. MEDLINE, Embase, PsycINFO, Cochrane CENTRAL, Cochrane Database of Systematic Reviews, and CINAHL databases were searched for eligible RCTs published between January 2008 and January 2021 in the English language. Meta-analyses were conducted using a random-effects model, publication bias was assessed using funnel plots and Egger's statistics, and heterogeneity was assessed by interpreting I 2 values. Efficacy of intervention components, such as telehealth or group contacts, were explored in sub-group analyses. Version 2 of the risk-of-bias tool for RCTs was used to assess risk of bias. The Grading of Recommendations Assessment, Development and Evaluation method was used to determine certainty of evidence.Results This systematic review included 62 RCTs. Compared with control conditions, weight management interventions provided by a dietitian resulted in improved body mass index (mean difference [MD] -1.5; 95% CI -1.74 to -1.26; moderate evidence certainty); percent weight loss (MD -4.01%; 95% CI -5.26% to -2.75%; high evidence certainty); waist circumference (MD -3.45 cm; 95% CI -4.39 to -2.51 cm; high evidence certainty); blood pressure (MD -3.04 mm Hg; 95% CI -5.10 to -0.98 mm Hg and MD -1.99 mm Hg; 95% CI -3.02 to -0.96 mm Hg for systolic blood pressure and diastolic blood pressure, respectively; moderate and low evidence certainty); and quality of life using the 36-Item Short Form Survey (MD 5.84; 95% CI 2.27 to 9.41 and 2.39; 95% CI 1.55 to 3.23 for physical and mental quality of life, respectively; low and moderate evidence certainty).Conclusions For adults with overweight or obesity, weight management interventions provided by a dietitian are efficacious for improving several examined cardiometabolic outcomes and quality of life.

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Crossref · 10.1016/j.jand.2022.03.014

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Authors
Morgan-Bathke, M., Baxter, S. D., Halliday, T. M., Lynch, A., Malik, N., Raynor, H. A., Garay, J. L., & Rozga, M.
Affiliations
  • Viterbo University (US)
  • University of South Carolina (US)
  • University of Utah (US)
  • Oakland University (US)
  • California State University, San Bernardino (US)
  • University of Tennessee at Knoxville (US)
  • Syracuse University (US)
  • Academy of Nutrition and Dietetics (US)
Corresponding author
Rozga, Mary
Venue
Journal of the Academy of Nutrition and Dietetics
Publisher
Elsevier BV
Published
2023-11
Volume
123
Issue
11
Pages
1621-1661.e25
ISSN
2212-2672 (ISSN-L)
OpenAlex
W4283743174
Cited by
54
References
102
Citations by year
2026: 11 · 2025: 22 · 2024: 18 · 2023: 2 · 2022: 1
FWCI
2.13
Type
journal article
Language
en
Open access
Locations
  • Journal of the Academy of Nutrition and Dietetics (acceptedVersion)
  • PubMed (publishedVersion)
Funders
  • Academy of Nutrition and Dietetics Foundation
  • Academy of Nutrition and Dietetics
  • National Institutes of Health (5R01DK121360, KL2TR002539)
Topics
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Obesity, Physical Activity, Diet
  • Health Sciences › Health Professions › Health Information Management › Dietetics, Nutrition, and Education
  • Health Sciences › Health Professions › Pharmacy › Obesity and Health Practices
Keywords
weight management interventions, dietitians, obesity, overweight, cardiometabolic outcomes, blood pressure, waist circumference, body mass index, weight loss, quality of life, telemedicine, group intervention, usual care, adults, quality of evidence, risk of bias, subgroup analysis

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