A Systematic Review of the Effectiveness of Group versus Individual Treatments for Adult Obesity

Measuring inconsistency in meta-analyses

Higgins, J. P. T., Thompson, S. G., Deeks, J. J., & Altman, D. G. (2003) · BMJ · doi:10.1136/bmj.327.7414.557 · Cited by 63,139

The CONSORT statement: revised recommendations for improving the quality of reports of parallel-group randomised trials

Moher, D., Schulz, K. F., & Altman, D. G. (2001) · The Lancet · doi:10.1016/s0140-6736(00)04337-3 · Cited by 5,373

The Spread of Obesity in a Large Social Network over 32 Years

Christakis, N. A., & Fowler, J. H. (2007) · New England Journal of Medicine · doi:10.1056/nejmsa066082 · Cited by 5,007

Improving the quality of reports of meta-analyses of randomised controlled trials: the QUOROM statement

Moher, D., Cook, D. J., Eastwood, S., Olkin, I., Rennie, D., & Stroup, D. F. (1999) · The Lancet · doi:10.1016/s0140-6736(99)04149-5 · Cited by 4,826

Framework for design and evaluation of complex interventions to improve health

Campbell, M. (2000) · BMJ · doi:10.1136/bmj.321.7262.694 · Cited by 3,474

The CONSORT statement: revised recommendations for improving the quality of reports of parallel group randomized trials

Moher, D., Schulz, K. F., & Altman, D. G. (2001) · BMC Medical Research Methodology · doi:10.1186/1471-2288-1-2 · Cited by 2,755

Systematic review of the long-term effects and economic consequences of treatments for obesity and implications for health improvement

Avenell, A., Broom, J., Brown, T., Poobalan, A., Aucott, L., Stearns, S., Smith, W., Jung, R., Campbell, M., & Grant, A. (2004) · Health Technology Assessment · doi:10.3310/hta8210 · Cited by 1,041

Benefits of recruiting participants with friends and increasing social support for weight loss and maintenance.

Wing, R. R., & Jeffery, R. W. (1999) · Journal of Consulting and Clinical Psychology · doi:10.1037/0022-006x.67.1.132 · Cited by 571

Individual versus group therapy for obesity: Effects of matching participants to their treatment preferences.

Renjilian, D. A., Perri, M. G., Nezu, A. M., McKelvey, W. F., Shermer, R. L., & Anton, S. D. (2001) · Journal of Consulting and Clinical Psychology · doi:10.1037/0022-006x.69.4.717 · Cited by 334

Evidence and consensus-based clinical practice guidelines for management of overweight and obesity in midlife women: An AIIMS-DST initiative

Ranjan, P., Vikram, N. K., Kumari, A., Chopra, S., Choranur, A., Pradeep, Y., Puri, M., Malhotra, A., Ahuja, M., Meeta, et al. (2022) · Journal of Family Medicine and Primary Care · doi:10.4103/jfmpc.jfmpc_51_22 · Cited by 5

Bridging the Science-Practice Gap in Obesity Treatment

Johnston, C. A., & Moreno, J. P. (2015) · American Journal of Lifestyle Medicine · doi:10.1177/1559827615620381 · Cited by 5

Five Vital Components in an Occupational Therapy-Based Municipal Weight Loss Program Obtained Through Research Circles

Jessen-Winge, C., Lee, K., Surrow, S., & Christensen, J. R. (2022) · Frontiers in Rehabilitation Sciences · doi:10.3389/fresc.2022.822896 · Cited by 4

Integration of a lifestyle modification intervention for women with overweight and obesity in a gynecologic oncology practice

Morris, D. H., Kosmacki, A., Tolby, L. T., Marx, C., Vanderlan, J. R., Mutch, D. G., Colditz, G. A., & Hagemann, A. R. (2025) · Gynecologic Oncology · doi:10.1016/j.ygyno.2025.04.516 · Cited by 4

Feasibility and Efficacy of a Plant-Based Nutrition Intervention for Type 2 Diabetes in a Primary Care Setting

Rahman, V. J., Becker, R., Gray, S., Holubkov, R., Loomis, J. F., & Barnard, N. D. (2025) · American Journal of Lifestyle Medicine · doi:10.1177/15598276251339396 · Cited by 3

[Evidence of social support as therapy for weight loss: a systematic review].

Flores-Gómez, I. R., Bacardí‐Gascón, M., Armendariz-Anguiano, A. L., Morales, M. A. E. P., & Jiménez–Cruz, A. (2012) · PubMed · doi:10.3305/nh.2012.27.5.5877 · Cited by 4

Efficacy of social support on metabolic syndrome among low income rural women in Chiapas, México.

Bezares-Sarmiento, V. D. R., Bacardí‐Gascón, M., Márquez, S., González, O. M., Estrada-Grimaldo, M., & Jiménez–Cruz, A. (2013) · PubMed · doi:10.3305/nh.2013.28.4.6518 · Cited by 4

Management und Therapie

Hauner, H., Wirth, A. G., Gola, U., Teufel, M., Zipfel, S., de Zwaan, M., Hüttl, T. P., Kramer, K. M., & Winckler, K. (2013) · Springer eBooks · doi:10.1007/978-3-642-22855-1_7 · Cited by 4

Factors that influence planning for physical activity among workers in small- and medium-sized enterprises

Kawahara, S., Tadaka, E., & Okochi, A. (2018) · Preventive Medicine Reports · doi:10.1016/j.pmedr.2018.02.015 · Cited by 4

Update on the Evaluation of the Anti-Obesity Effect of Green Tea (Camellia sinensis)

SULTANE, H. T. A., & Cambaza, E. (2019) · Clinical and Experimental Health Sciences · doi:10.33808/clinexphealthsci.523921 · Cited by 4

The Behavioral Treatment of Obesity

Chao, A. M., Quigley, K. M., & Wadden, T. A. (2022) · Wiley eBooks · doi:10.1002/9781119695257.ch19 · Cited by 4

Preferred Content in Occupational Therapy-Based Weight Loss Interventions: A Survey

Christensen, J. R., Konge, M. B., Devantier, M., Brandt, C. J., Gommesen, J. B., & Kolind, M. I. (2022) · OTJR Occupational Therapy Journal of Research · doi:10.1177/15394492221088511 · Cited by 3

Self-efficacy among health professionals to manage therapeutic groups of patients with obesity: Scale development and validity evidences

Santos, T. S. S., Victor, J. C., Dias, G. R., Balbino, A. C. D. M., Jaime, P. C., & Lourenço, B. H. (2022) · Journal of Interprofessional Care · doi:10.1080/13561820.2022.2085677 · Cited by 3

Development of a group‐based behaviour change intervention for people with severe obesity informed by the social identity approach to health

Moghadam, S., Hollands, L., Calitri, R., Swancutt, D. R., Lloyd, J., Hawkins, L. K., Sheaff, R., Dean, S. G., Perry, S., Watkins, R., et al. (2024) · British Journal of Health Psychology · doi:10.1111/bjhp.12737 · Cited by 4

Implementing texting programs in the P.O.W.E.R. (preventing obesity with eating right) medical group visit for weight loss

Saldivar, P., Mira, V., Duran, P. A., Moldovan, C. P., Ang, G., Parikh, N., Lee, M. L., & Friedman, T. C. (2021) · Obesity Science & Practice · doi:10.1002/osp4.513 · Cited by 3

The impact of signposting and group support pathways on a community-based physical activity intervention grounded in motivational interviewing

Wade, M., Brown, N., Steele, J., Mann, S., Dancy, B., Winter, S., & Majumdar, A. (2021) · Journal of Public Health · doi:10.1093/pubmed/fdab198 · Cited by 3

Executive Summary of Evidence and Consensus-Based Clinical Practice Guidelines for Management of Obesity and Overweight in Midlife Women

Ranjan, P., Vikram, N. K., Choranur, A., Pradeep, Y., Ahuja, M., Meeta, M., Puri, M., Malhotra, A., Kumari, A., Chopra, S., et al. (2022) · Journal of Mid-life Health · doi:10.4103/jmh.jmh_7_22 · Cited by 3

Pilot survey of a novel incentive to promote healthy behavior among school children and their parents

Yoo, B., Hasebe, T., Kim, M. C., Sasaki, T., & Styne, D. M. (2017) · Preventive Medicine Reports · doi:10.1016/j.pmedr.2017.03.020 · Cited by 3

Update on Behavioral Weight Loss Treatments to Reduce Obesity and Lower Cardiometabolic Risks

Werner, J. J. (2019) · Current Cardiovascular Risk Reports · doi:10.1007/s12170-019-0620-2 · Cited by 4

The Role of Health Policies in Faith-based Institutions in Promoting Health and Changing Food Practices: The Philadelphia Ujima Experience

Robertson-James, C., Sawyer, L., Mertus, S., Robertson, D., Congleton, S., Watkins, S., Wolf, J., & Núñez, A. E. (2018) · Progress in community health partnerships · doi:10.1353/cpr.2018.0067 · Cited by 2

Concept of an Intervention for Sustainable Weight Loss in Postmenopausal Women with Overweight—Secondary Analysis of a Randomized Dietary Intervention Study

Englert, I., Egert, S., Hoffmann, L., & Kohlenberg-Müller, K. (2023) · Nutrients · doi:10.3390/nu15143250 · Cited by 2

“Healthier health in more ways than one”: Perspectives on a program for changing both smoking and obesity-related health behaviors

Murphy, C. M., Scott, K., Colby, S. M., Yermash, J., Evans, E. W., Wing, R. R., Kolbasov, L. A., & Rohsenow, D. J. (2024) · Eating Behaviors · doi:10.1016/j.eatbeh.2024.101883 · Cited by 2

Promoting Weight Loss in the Obese Patient

Althaus, J. (2013) · Postgraduate Obstetrics & Gynecology · doi:10.1097/01.pgo.0000436988.44188.44 · Cited by 2

Effect of a group medical clinic for veterans with diabetes on body mass index

Eisenberg, A., Crowley, M. J., Coffman, C. J., & Edelman, D. E. (2018) · Chronic Illness · doi:10.1177/1742395317753885 · Cited by 2

Adipositaszentrum

Weise, R. (2017) · Springer eBooks · doi:10.1007/978-3-662-48698-6_17 · Cited by 2

Association of counselor weight status and demographics with participant weight loss in a structured lifestyle intervention

Dao, M. C., Das, S. K., Silver, R. E., & Roberts, S. B. (2020) · Obesity Research & Clinical Practice · doi:10.1016/j.orcp.2020.11.005 · Cited by 2

Adaptive dietary and exercise strategies for weight loss in Adults with Prediabetes Trial (ADAPT): a sequential multiple assignment randomized trial

Ellison, K. M., Zein, A. E., Baidwan, N. K., Ferguson, C. C., Fowler, L. A., Bryan, D. R., Reynolds, C., Hermanson, D., Berg, K. J., Mehta, T. S., et al. (2025) · American Journal of Clinical Nutrition · doi:10.1016/j.ajcnut.2025.07.034 · Cited by 2

Young adults with metabolic dysfunction-associated steatotic liver disease (MASLD): why current services fail – and how we can fix them

Ekstrom, V. S. M. (2025) · Frontline Gastroenterology · doi:10.1136/flgastro-2025-103495 · Cited by 1

Design, Implementation, and Feasibility of a Community Co-Led Culinary Medicine Shared Medical Appointment Model

Agrawal, A., Wong, W., Knowles, A., Siler, M. D., Robinson, N., Smith, G., Hollis-Hansen, K., Bowen, M. E., Smith-Morris, C., Kitzman, H., et al. (2026) · American Journal of Lifestyle Medicine · doi:10.1177/15598276261417263 · Cited by 1

Addressing Family Caregivers’ Challenges Related to Nutrition and Diet Modification: A Qualitative Exploration to Inform Structured Nutrition-Related Caregiver Training Services

Bakare, J. O., Wang, C., Yedavalli, A., Garber, A., DiFilippo, K. N., & Raj, M. (2026) · Journal of Nutrition Education and Behavior · doi:10.1016/j.jneb.2026.05.009 · Cited by 1

Áhrif meðferðarinnar ,,njóttu þess að borða'' á heilsu og líðan kvenna sem flokkast með offitu

Lárusdóttir, S. H., Sævarsdóttir, H., Steingrímsdóttir, L., Guðmundsson, L., Arnarson, E. Ö., & Arnarsson, E. Ö. (2014) · Læknablaðið · doi:10.17992/lbl.2014.01.528 · Cited by 6

Investigating the Weight Loss Success of Clients Participated in Different Telenutrition Intervention Groups: A Cross-Sectional Design

MISIRLI, E., & Cebioğlu, İ. K. (2022) · Turkiye Klinikleri Journal of Health Sciences · doi:10.5336/healthsci.2021-87525 · Cited by 1

Ryhmäohjauksen vuorovaikutusmekanismit vertaistuen kokemusten taustalla

Tiitinen, S., Weiste, E., Ruusuvuori, J., & Laitinen, J. H. (2025) · Psykologia · doi:10.62443/psykologia.v53i5-6.70039 · Cited by 1

Weight Management Programs

Dyson, P. A. (2017) · Elsevier eBooks · doi:10.1016/b978-0-323-48559-3.00021-x · Cited by 1

Shared medical appointments

Egger, G. J., Binns, A., Cole, M.-A., Ewald, D. P., Davies, L., Meldrum, H., Stevens, J., & Noffsinger, E. (2014) · Cited by 1

Weight management in adults

Mete, R., Georgousopoulou, E. N., Mellor, D. D., Khoo, J. J. C., Cheong, M., Leeds, A., Allan, K., Avery, A., Hart, K., Muir, A., et al. (2017) · Wiley eBooks · doi:10.1002/9781118857991.ch4 · Cited by 2

Designing Interventions

Sidani, S., & Braden, C. J. (2021) · Wiley eBooks · doi:10.1002/9781119610113.ch4 · Cited by 1

Árangur hugrænnar atferlismeðferðar við ofþyngd og offitu

Hannesdóttir, E. H., & Steinþórsdóttir, K. H. (2013)

Providing a Person‐centred Weight‐management Service

Pearson, D., & Grace, C. (2012) · doi:10.1002/9781118702758.ch5

Losing weight and keeping it off: workplace and dietitian clinic settings

Zinn, C. (2012) · Tuwhera (Auckland University of Technology)

Nichtmedikamentöse verhaltensbezogene Adipositastherapie unter Berücksichtigung der zugelassenen Arzneimittelbehandlung, Health Technology Assessment

Kossmann, B. (2014) · DuEPublico (University of Duisburg-Essen)

Welche Abnehmprogramme sind seriös und für wen sind sie geeignet?

Holzapfel, C., & Hauner, H. (2013) · MMW - Fortschritte der Medizin · doi:10.1007/s15006-013-0290-9

Achieving Weight Loss Goals at Lower Cost

Hertzman-Miller, R. P. (2013) · Clinical Diabetes · doi:10.2337/diaclin.31.3.123

Evaluation of a community group weight management scheme: Are outcomes influenced by who delivers it?

Shotton, D. M. (2012) · ChesterRep (University of Chester)

Tyypin 2 diabeteksen ennaltaehkäisy ryhmäohjauksella osana perusterveydenhuollon normaalia toimintaa

Rekola, T. (2014) · Jyväskylä University Digital Archive (University of Jyväskylä)

Painonhallintaryhmäläisten kokemuksia elintapamuutosten vaikeuksista ja niistä selviytymisestä : "Ole itsellesi armollinen. Mulle se oli just se koko homman idea."

Minkkinen, H. (2015) · Jyväskylä University Digital Archive (University of Jyväskylä)

Intentions, Attitudes and Perceived Behavior Control Towards Healthy Nutrition Behaviors of Individuals Participating in a Group Counseling Program Versus Those Receiving Individual Counseling

Paranjape, A. (2011) · OhioLink ETD Center (Ohio Library and Information Network)

Shared Medical Appointments (Group Visits): Potential for improving chronic disease management in the Australian health care system.

Situation, A. (2014)

Original / Síndrome metabólico Efficacy of social support on metabolic syndrome among low income rural women in Chiapas, México

Bezares-Sarmiento, V. D. R., Bacardí‐Gascón, M., Márquez, S., González, O. M., Estrada-Grimaldo, M., & Jiménez–Cruz, A. (2013)

Implementation and Evaluation of the MOVE! Program at Medical Weight Loss Center

Bird, K. (2015) · doi:10.33915/etd.5213

Caregiver hope and child outcomes following pediatric weight management programs

Stough, C. C. O., Cordts, K. M. P., Gillette, M. L. D., Borner, K. B., Dean, K. M., Hampl, S. E., Peugh, J., & Davis, A. M. (2017) · Children s Health Care · doi:10.1080/02739615.2017.1327357

Impact of a Lifestyle Modification Intervention on Health Behaviors and Health Outcomes in a Mexican American population: A Mixed-methods Study

Kaur, R. (2018) · doi:10.25148/etd.fidc006852

A Pilot Study of a Multiple Health Behavior Change Intervention for Smokers

Seshadri, S. (2019) · UKnowledge (University of Kentucky) · doi:10.13023/etd.2019.303

Das Behandlungsprogramm bei Adipositas mit den Schwerpunkten Essverhalten und Lebensstiländerung (BASEL) ist effektiv, aber nicht kostendeckend

Goetschmann, M., Nickolai, B., Hegar, K., Fäh, D., & Kiss, C. (2020) · Aktuelle Ernährungsmedizin · doi:10.1055/a-1066-4267 · Cited by 1

A prevention and health promotion programme for persons with overweight in Primary Health Care Patient outcomes and nurses’ experiences in terms of weight, lifestyle, health and risk factors

Ewe, M. B. (2020)

Translating research results into everyday healthcare practice : an empirical study examining the influence of social-cognitive and perceived environmental factors on physical activity and weight during early stages of a lifestyle intervention

Hansen, S. (2020) · OPUS Publication Server of the University of Stuttgart (University of Stuttgart) · doi:10.18419/opus-11114

ANALISIS DAN PERANCANGAN SISTEM PENJUALAN BERBASIS WEB PADA PT TJENDANA REKANANDA

Halim, E., Yang, V., & Susanto, S. (2002)

Das Behandlungsprogramm bei Adipositas mit den Schwerpunkten Essverhalten und Lebensstiländerung (BASEL) ist effektiv, aber nicht kostendeckend

Goetschmann, M., Nickolai, B., Hegar, K., Fäh, D., & Kiss, C. (2022) · Adipositas - Ursachen Folgeerkrankungen Therapie · doi:10.1055/a-1722-5002

A Review of the Nature and Effectiveness of Nutrition Interventions in Adult Males

Taylor, P. J., Kolt, G. S., Vandelanotte, C., Caperchione, C. M., Mummery, W. K., George, E. S., Karunanithi, M., & Noakes, M. (2013) · Apple Academic Press eBooks · doi:10.1201/b16307-4

What are we?* The BMI should accept terms for a graceful retirement *with apologies to The Bunyip of Berkeley’s Creek

(2019) · British Journal of Cardiology · doi:10.5837/bjc.2019.021

Group Medical Visits Versus Usual Care for Illness Perception and Hypertension: A Randomized Pilot Study

Acehan, O., Bozdemir, N., Özcan, S., Duran, O., & Kurdak, H. (2022) · Journal for Healthcare Quality · doi:10.1097/jhq.0000000000000359

Obesity Centre

Weise, R. (2022) · Springer eBooks · doi:10.1007/978-3-662-63227-7_17

O papel da educação permanente em saúde na implementação da linha de cuidado para o sobrepeso e obesidade nas ações da atenção primária: um estudo de caso na região do Grande ABC

Henrique, D. (2023) · doi:10.11606/d.6.2023.tde-14042023-145705

Qualitative Analysis Following the Delivery of a Farmer Lifestyle Program

Kavanagh, R., Douglas, P., & Keaver, L. (2024) · Journal of Agromedicine · doi:10.1080/1059924x.2024.2343400

Management – Strategie – Schulung

Hauner, H. (2024) · Springer eBooks · doi:10.1007/978-3-662-58895-6_35

Gewichtsreduktionsprogramme

Hauner, H. (2024) · Springer eBooks · doi:10.1007/978-3-662-58895-6_40

Energy2MOB study, group food education programme to reduce obesity in adults: randomised clinical trial protocol

Gargallo-Civil, M., Ruiz-Comellas, A., Sola, L., & Vaque-Crusellas, C. (2025) · BMJ Open · doi:10.1136/bmjopen-2025-108028

Additional file 1 of A group-based behavioural intervention for weight management (PROGROUP) versus usual care in adults with severe obesity: a feasibility randomised controlled trial protocol

Swancutt, D. R., Tarrant, M., Ingram, W. M., Baldrey, S., Burns, L., Byng, R., Calitri, R., Creanor, S., Dean, S. G., Evans, L., et al. (2022) · Figshare · doi:10.6084/m9.figshare.21077822

Additional file 2 of A group-based behavioural intervention for weight management (PROGROUP) versus usual care in adults with severe obesity: a feasibility randomised controlled trial protocol

Swancutt, D. R., Tarrant, M., Ingram, W. M., Baldrey, S., Burns, L., Byng, R., Calitri, R., Creanor, S., Dean, S. G., Evans, L., et al. (2022) · Figshare · doi:10.6084/m9.figshare.21077825

Incentivizing social support in the randomized mobile Lifestyle Intervention for Food and Exercise study: the impact of gamification on social support perceptions, provision, and receipt

Turner‐McGrievy, G. M., Monroe, C. M., Delgado-Diaz, C., Aydin, H. Z., DuBois, K., Kim, Y., Valafar, H., & Wilcox, S. (2025) · Translational Behavioral Medicine · doi:10.1093/tbm/ibaf086

The impact of digitally-enabled interventions on frailty and other age-related outcomes – Systematic review and meta-analysis

Tay, T. H. C., Grailey, K., Chen, F., Amin, H., Maan, B. S., Dryden, S., Shepherd, L. M., Fertleman, M. B., & Darzi, A. W. (2026) · Digital Health · doi:10.1177/20552076251410997

A Shared Medical Appointment Program to Improve Self-Management of Metabolic Dysfunction–Associated Steatotic Liver Disease

Catalli, L., Ha, N. B., Miller, S. A., Agudelo, E. Z., Madan, S. K., Bastani, A., Tan, R., Brandman, D., & Lai, J. C. (2026) · Gastro Hep Advances · doi:10.1016/j.gastha.2026.100903

Améliorer la prise en charge de l'obésité en chirurgie bariatrique : évaluation d'un programme d'intervention basé sur les thérapies émotionnelles cognitives et comportementales et s’appuyant sur la théorie de l'autodétermination. Étude ACROBAT

Cheroutre, C. (2020) · theses.fr (ABES) · doi:10.70675/68942d68ze39fz42fdzaa23z65f6cd09e47f

Evaluation of a group-based behavioural intervention (PROGROUP) versus usual care for weight management in adults with severe obesity: protocol for a randomised controlled trial with cost-consequence analysis and primary care implementation study

Barnett, A., Hosking, J., Tarrant, M., Creanor, S., Spencer, A. E., Ingram, W. M., Sanders, J., Swancutt, D. R., Lloyd, J., Sheaff, R., et al. (2026) · BMJ Open · doi:10.1136/bmjopen-2025-115791

The Efficacy of Group and Individual Lifestyle Interventions for Overweight and Obese Adults: a Systematic Review and Meta-Analysis of Randomised Controlled Trials*

Abbott, S. (2018) · Coventry University Open Collections (Coventry university)

Are individual or group interventions more effective for long‐term weight loss in adults with obesity? A systematic review

Street, S., & Avenell, A. (2022) · Clinical Obesity · doi:10.1111/cob.12539 · Cited by 27

The effect of an individual versus group program on weight loss.

Steinbeck, K. S., Droulers, A. M., & Caterson, I. D. (1997) · PubMed · Cited by 2

Group‐Based Diet and Physical Activity Weight‐Loss Interventions: A Systematic Review and Meta‐Analysis of Randomised Controlled Trials

Borek, A., Abraham, C., Greaves, C. J., & Tarrant, M. (2018) · Applied Psychology Health and Well-Being · doi:10.1111/aphw.12121 · Cited by 168

Recent Updates on the Efficacy of Group-Based Treatments for Pediatric Obesity

Hayes, J. F., Altman, M., Coppock, J. H., Wilfley, D. E., & Goldschmidt, A. B. (2015) · Current Cardiovascular Risk Reports · doi:10.1007/s12170-015-0443-8 · Cited by 21