Conceição EM, Mitchell JE, Engel S, Machado PP, Lancaster KK, Wonderlich SA. What is grazing? Reviewing its definition, frequency, clinical characteristics, and impact on bariatric surgery outcomes, and proposing a standardized definition. Surg Obes Relat Dis. 2014;10(5):973–82.

Article  PubMed  Google Scholar 

Conceição EM, de Lourdes M, Pinto-Bastos A, Vaz AR, Brandão I, Ramalho S. Problematic eating behaviors and psychopathology in patients undergoing bariatric surgery: the mediating role of loss of control eating. Int J Eat Disord. 2018;51(6):507–17.

Article  PubMed  Google Scholar 

Spirou D, Heriseanu AI, Sichieri R, Hay P, Moraes CE, Appolinario JC. Grazing prevalence and associations with eating and general psychopathology, body mass index, and quality of life in a middle-income country. Nutrients. 2023;15(3):557.

Article  PubMed  PubMed Central  Google Scholar 

Heriseanu AI, Hay P, Touyz S. Grazing behaviour and associations with obesity, eating disorders, and health-related quality of life in the Australian population. Appetite. 2019. https://doi.org/10.1016/j.appet.2019.104396

Article  PubMed  Google Scholar 

Heriseanu AI, Hay P, Corbit L, Touyz S. Grazing in adults with obesity and eating disorders: a systematic review of associated clinical features and meta-analysis of prevalence. Clin Psychol Rev. 2017;58:16–32.

Article  PubMed  Google Scholar 

Teodoro MC, Conceição EM, de Lourdes M, Alves JR, Neufeld CB. Grazing’s frequency and associations with obesity, psychopathology, and loss of control eating in clinical and community contexts: A systematic review. Volume 167. Appetite: Academic; 2021.

Google Scholar 

Conceição EM, de Lourdes M, Neufeld CB. Assessment of grazing. In: Meule A, editor. Assessment of eating behavior. Hogrefe; 2023. pp. 82–96.

Moraes CEF, Heriseanu A, Mourilhe C, Faller ALK, Hay P, Appolinario JC. Validation of the Brazilian version of the short inventory of grazing (SIG). Trends Psychiatry Psychother. 2024;46.

Lins Berber LC, Silva Melendez-Araújo M, Nakano EY, Kênia, De Carvalho B, Dutra M. ES. Grazing Behavior Hinders Weight Loss in Long-Term Post Bariatric Surgery: a Cross-Sectional Study. Obes Surg [Internet]. 2021;31:4076–82. Available from: https://doi.org/10.1007/s11695-021-05533-4

Hua H, Yang N, Liang H. Latent class analysis of influencing factors of grazing behavior among patients undergoing metabolic and bariatric surgery. Journal of Abdominal Surgery [Internet]. 2024 [cited 2025 Jan 30];37(5):348–35. Available from: https://doi.org/10.3969/j.issn.1003-5591.2024.05.008

Kikuchi JLD, Carvalhal MM, de Castro L, Vieira MM, Lourenço-Costa V, dos Santos CAR, Cunha FS et al. Factors associated with grazing behavior in candidates for bariatric surgery at a hospital in the Amazon. Front Public Health. 2023;11.

Lopes KG, Romagna EC, Mattos DMF, Kraemer-Aguiar LG. Disordered eating behaviors and weight regain in post-bariatric patients. Nutrients. 2024. https://doi.org/10.3390/nu16234250.

Article  PubMed  PubMed Central  Google Scholar 

Teodoro MC, Conceição EM, Sinval J, de Lourdes M, Neufeld CB. Adaptation, confirmatory factor analysis, and psychometric properties of the Brazilian version of the repetitive eating questionnaire. Int J Eat Disord. 2023;56(4):747–57.

Article  PubMed  Google Scholar 

Conceição EM, Mitchell JE, Machado PPP, Vaz AR, Pinto-Bastos A, Ramalho S, et al. Repetitive eating questionnaire [Rep(eat)-Q]: enlightening the concept of grazing and psychometric properties in a Portuguese sample. Appetite. 2017;117:351–8.

Article  PubMed  Google Scholar 

Rossi AA, Mannarini S, Semonella M, Castelnuovo G, Pietrabissa G. The association between grazing and food addiction: the Italian version of the repetitive eating questionnaire (Rep(eat)-q) and its relationships with food addiction criteria. Nutrients. 2024. https://doi.org/10.3390/nu16070949.

Article  PubMed  PubMed Central  Google Scholar 

Reas DL, Lindvall Dahlgren C, Wonderlich J, Syversen G, Lundin Kvalem I. Confirmatory factor analysis and psychometric properties of the Norwegian version of the repetitive eating questionnaire: further evidence for two distinct subtypes of grazing behaviour. Eur Eat Disord Rev. 2019;27(2):205–11.

Article  PubMed  Google Scholar 

de Lourdes M, Pinto-Bastos A, Machado PPP, Conceição E. Problematic eating behaviors in patients undergoing bariatric surgery: studying their relationship with psychopathology. J Health Psychol. 2022;27(7):1535–46.

Article  PubMed  Google Scholar 

Anafarta-Şendağ M, Tığrak A, Özbek-Şimşek D. Conceptualization of Grazing: The Psychometric Properties of The Repetitive Eating Questionnaire (Rep[eat]-Q) Turkish Form. Turkish Journal of Psychiatry [Internet]. 2023; Available from: https://turkpsikiyatri.com/submission/MakaleKontrol?Id=VFdwamVVNTZXVDA9

Gormez A, Elbay RY, Saral E, Ozer BU, Karadere ME. Repetitive Eating Questionnaire: Reliability and Validity of Turkish Version and Correlates of Grazing Behavior. Psychiatry Behav Sci. 2023;13(2):78–85. https://doi.org/10.5455/PBS.20230109081332.

Article  Google Scholar 

Conceição EM, Pinheiro J, Félix S, Ramalho S, Gonçalves S. Grazing in children: associations with child’s characteristics and parental feeding practices. Eat Weight Disord. 2020. https://doi.org/10.1007/s40519-020-00866-y

Article  PubMed  Google Scholar 

Félix S, Ramalho S, Marôco J, Ribeiro A, Afonso N, Gonçalves S et al. Psychological aspects of grazing in adolescents: psychometric properties and measurement invariance of the Rep(eat)-Q in community and clinical samples. J Eat Disord. Preprint Available Res Square. 2025; (Version 1). https://doi.org/10.21203/rs.3.rs-5920202/v1.

Spirou D, Raman J, Leith M, Collison J, Bishay RH, Ahlenstiel G, et al. The psychometric properties of the grazing questionnaire in an obesity sample with and without binge eating disorder. J Eat Disord. 2022. https://doi.org/10.1186/s40337-022-00604-y

Article  PubMed  PubMed Central  Google Scholar 

Heriseanu AI, Hay P, Touyz S. Linking grazing to inhibition and goal-directed behaviour in obesity with and without eating disorder features. Behav Change. 2020. https://doi.org/10.1017/bec.2020.12.

Article  Google Scholar 

Pinto M, Conceição E, Brandão I, Pestana D, Cao L, Arrojado F et al. Maladaptive eating behaviors and metabolic profile in patients submitted to bariatric surgery: a longitudinal study. Obes Surg. 2017;27(6).

American Psychiatric Association (APA). Diagnostic and statistical manual of mental disorders (DSM-5). 5th ed. Washington DC: APA; 2013.

Book  Google Scholar 

Hua H, Liang H, Xu Q, Zhu H, Yang N. Reliability and validity of the Chinese version of repetitive eating questionnaire for patients undergoing bariatric surgery. Chin Gen Pract. 2023;26(7):810–5.

Google Scholar 

Ribeiro A, Sinval J, Félix S, Guimarães C, Machado BC, Gonçalves S, et al. Food addiction and grazing—the role of difficulties in emotion regulation and negative urgency in university students. Nutrients. 2023. https://doi.org/10.3390/nu15204410.

Article  PubMed  PubMed Central  Google Scholar 

Bonder R, Kuk JL, Ardern CI, Wharton S, Kamran E, Davis C. Grazing and food addiction: associations between varied patterns of overconsumption and addictive-like eating. Appetite. 2025. https://doi.org/10.1016/j.appet.2024.107768.

Article  PubMed  Google Scholar 

Fairburn C, Cooper Z, O’Connor M. Eating disorder examination (16.0D). In: Fairburn C, editor. Cognitive behavior therapy and eating disorders. New York: Guilford Press; 2008. pp. 265–308.

Google Scholar 

Conceição EM, de Lourdes M, Moreira L, Pinto-Bastos A, Félix S. Weight loss expectations and weight loss after surgery: the mediating role of body image and weight concerns. Surg Obes Relat Dis. 2020;16(7):932–9.

Article  PubMed  Google Scholar 

Palavras MA, Morgan CM, Borges FMB, Claudino AM, Hay PJ. An investigation of objective and subjective types of binge eating episodes in a clinical sample of people with co-morbid obesity. J Eat Disord [Internet]. 2013;1(26). Available from: http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=4081732%26;tool=pmcentrez%26;rendertype=abstract

Conceição EM, Utzinger LM, Pisetsky EM. Eating disorders and problematic eating behaviours before and after bariatric surgery: characterization, assessment and association with treatment outcomes. Eur Eat Disord Rev. 2015;23(6):417–25.

Article  PubMed  PubMed Central  Google Scholar 

Kofman MD, Lent MR, Swencionis C. Maladaptive eating patterns, quality of life, and weight outcomes following gastric bypass: results of an internet survey. Obesity. 2010;18(10):1938–43.

Article  PubMed  Google Scholar 

Goodpaster KPS, Marek RJ, Lavery ME, Ashton K, Rish JM, Heinberg LJ. Graze eating among bariatric surgery candidates: prevalence and psychosocial correlates. Surg Obes Relat Dis. 2016;12(5):1091–7.

Article  PubMed  Google Scholar 

Catania J, Spirou D, Gascoigne M, Raman J. Loss of control as a transdiagnostic feature in obesity-related eating behaviours: a systematic review. Eur Eat Disord Rev. 2023;31(1):24–45.

Article  PubMed  Google Scholar 

Wilson DR, Loxton NJ, Joynt T, O’Donovan A. There is no such thing as a mindful binge: how mindfulness disrupts the pathway between anxiety and impulsivity on maladaptive eating behaviours. Pers Individ Dif. 2021;168.

Heriseanu AI, Spirou D, Moraes CEF, Hay P, Sichieri R, Appolinario JC. Grazing is associated with ADHD symptoms, substance use, and impulsivity in a representative sample of a large metropolitan area in Brazil. Nutrients. 2023. https://doi.org/10.3390/nu15132987.

Article  PubMed  PubMed Central  Google Scholar 

Seymour KE, Reinblatt SP, Benson L, Carnell S. Overlapping neurobehavioral circuits in ADHD, obesity, and binge eating: evidence from neuroimaging research. CNS Spectr. 2015;20(4):401–11.

Article  PubMed  PubMed Central  Google Scholar 

Kaisari P, Dourish CT, Rotshtein P, Higgs S. Associations between core symptoms of attention deficit hyperactivity disorder and both binge and restrictive eating. Front Psychiatry. 2018. https://doi.org/10.3389/fpsyt.2018.00103.

Article  PubMed  PubMed Central  Google Scholar 

Martin E, Dourish CT, Hook R, Chamberlain SR, Higgs S. Associations between inattention and impulsivity ADHD symptoms and disordered eating risk in a community sample of young adults. Psychol Med. 2022;52(13):2622–31.

Article  PubMed  CAS  Google Scholar 

Cortese S. The association between ADHD and obesity: intriguing, progressively more investigated, but still puzzling. Brain Sci. 2019;9(10):256.