• Brytek-Matera A., Hay P. (2024). Introduction to Epidemiology. In: Robinson, P., Wade, T., Herpertz-Dahlmann, B., Fernandez-Aranda, F., Treasure, J., Wonderlich, S. (eds) Eating Disorders. Springer, Cham.
  • Brytek-Matera A., Touyz S., Hay P. (2024). Comparative utility of the DSM-5 and ICD-11 diagnostic classifications of eating disorders of recurrent binge eating in an Australian community-based sample.  European Eating Disorders Review, 32(3), 524–531.
  • Witaszek T., Babicki M., Brytek-Matera A., Mastalerz-Migas A., Kujawa K., Kłoda K. (2024). Maladaptive eating behaviours, generalised anxiety disorder and depression severity: a comparative study between adult women with overweight, obesity, and normal body mass index range. Nutrients, 16(1), 80.


  • Brytek-Matera  A. (2023). Additional phenotypes of eating disorders: orthorexia nervosa. In: P. Robinson, T. Wade, B. Herpertz-Dahlmann, F. Fernandez-Aranda, J. Treasure, S. Wonderlich (eds), Eating Disorders. Springer, Cham.
  • Brytek-Matera A. (2023). Prevalence of anorexia nervosa and bulimia nervosa in Eastern Europe. Psychiatria i Psychologia Kliniczna (Journal of Psychiatry and Clinical Psychology)23(4), 332–337. doi: 10.15557/PiPK.2023.0041
  • Brytek-Matera A., Obeid S., Donini L.M., Rogoza M., Marchlewska M., Plichta M., Jeżewska-Zychowicz M., Hallit S., Rogoza R. (2023). Psychometric properties of the ORTO-R in a community-based sample of women and men from Poland. Journal of Eating Disorders, 11, 9. doi:10.1186/s40337-023-00734-x
  • Mahfoud D., Pardini S., Mróz M., Hallit S., Obeid S., Akel M., Novara C., Brytek-Matera A. (2023). Profiling orthorexia nervosa in young adults: the role of obsessive behaviour, perfectionism, and self-esteem. Journal of Eating Disorders, 11, 188. doi:10.1186/s40337-023-00915-8
  • Mróz M., Gross J.J., Brytek-Matera A. (2023). Trait anxiety and unhealthy eating in adult women: the mediating role of cognitive instability. International  Journal of Environmental Research and Public Health, 20(1), 296. doi:10.3390/ijerph20010296
  • Razmus M., Czubak-Paluch K., Brytek-Matera A. (2023). The relationship between body mass index and food preoccupation in women: A moderated mediation of body self-conscious emotions and self-esteem. European Eating Disorders Review, 31(1), 188-196. doi:10.1002/erv.2955


  • Brytek-Matera A., Pardini S., Szubert J., Novara C. (2022). Orthorexia nervosa and disordered eating attitudes, self-esteem and physical activity among young adults. Nutrients, 14(6), 1289. doi:10.3390/nu14061289
  • Cheng Z., Gao X., Yang C., Brytek-Matera A., He J. (2022). Effects of online and face-to-face intuitive eating interventions on body image and eating behaviors among women in China : a feasibility study. Nutrients, 14(9), 1761. doi:10.3390/nu14091761
  • He J., Brytek-Matera A., Cooper M., Cui S., Chen G. (2022). Chinese translation of the Clinical Impairment Assessment (CIA 3.0): Psychometric properties and measurement invariance across sex and age in adolescents, young adults, and adult men. Eating Behaviors, 45, 101623. doi:10.1016/j.eatbeh.2022.101623.
  • Mróz M., Czub M., Brytek-Matera A. (2022). Heart rate variability—an index of the efficacy of complementary therapies in irritable bowel syndrome: a systematic review. Nutrients, 14(16), 3447.
  • Plasonja N., Brytek-Matera A., Décamps G. (2022). Psychological profiles of treatment-seeking adults with overweight and obesity: a cluster analysis approach. Journal of Clinical Medicine, 11(7), 1952.
  • Zhang H., Song J., Zhao Y., Brytek-Matera A., He J. (2022). Is the relationship between BMI and body appreciation explained by body dissatisfaction and body image inflexibility among older adults? A study among Chinese older men and women. Body Image, 40, 110-115. doi: 10.1016/j.bodyim.2021.11.006


  • Azzi V., Hallit S., Malaeb D., Obeid S., Brytek-Matera A. (2021). Drunkorexia and emotion regulation and emotion regulation difficulties: the mediating effect of disordered eating attitudes. International Journal of Environmental Research and Public Health, 18(5), 2690. doi: 10.3390/ijerph18052690
  • Brytek-Matera A. (2021). Negative affect and maladaptive eating behavior as a regulation strategy in normal-weight individual: a narrative review. Sustainability, 13(24), 13704. doi: 10.3390/su132413704
  • Brytek-Matera A. (2021). The Polish version of the Düsseldorf Orthorexia Scale (PL-DOS) and its comparison with English version of the DOS (E-DOS). Eating and Weight Disorders – Studies on Anorexia, Bulimia and Obesity, 26, 1223-1232. doi: 10.1007/s40519-020-01025-z
  • Brytek-Matera A. (2021). Vegetarian diet and orthorexia nervosa: a review of the literature. Eating and Weight Disorders – Studies on Anorexia, Bulimia and Obesity, 26, 1-11.  doi: 10.1007/s40519-019-00816-3
  • Cena H., Porri D., De Giuseppe R., Kalmpourtzidou A., Pia Salvatore F., El Ghoch M., Itani L., Kreidieh D., Brytek-Matera A., Bianca Pocol C., Arteta Arteta D.S., Utan G., Kolčić I. (2021). How healthy are health-related behaviors in University Students: The HOLISTic Study. Nutrients, 13, 675. doi: 10.3390/nu13020675
  • Cui T., Xi J., Tang Ch., Song J., He J., Brytek-Matera A. (2021). The relationship between music and food intake: a systematic review and meta-analysis. Nutrients, 13(8), 2571. doi: 10.3390/nu13082571
  • Czepczor-Bernat K., Brytek-Matera A. (2021). The impact of food-related behaviours and emotional functioning on body mass index in an adult sample. Eating and Weight Disorders – Studies on Anorexia, Bulimia and Obesity, 26, 323-329. doi: 0.1007/s40519-020-00853-3
  • Czepczor-Bernat K., Brytek-Matera A., Staniszewska A. (2021). The effect of a web-based psychoeducation on emotional functioning, eating behaviors, and body image among premenopausal women with excess body weight. Archives of Women’s Mental Health, 24, 423-435. doi: 10.1007/s00737-020-01077-1
  • Hallit S., Brytek-Matera A., Obeid S. (2021). Orthorexia nervosa and disordered eating attitudes among Lebanese adults: Assessing psychometric proprieties of the ORTO-R in a population-based sample. PLoS ONE, 16(8), e025494. doi: 10.1371/journal.pone.0254948
  • Kornacka M., Czepczor-Bernat K., Napieralski P., Brytek-Matera A. (2021). Rumination, mood, and maladaptive eating behaviors in overweight and healthy populations. Eating and Weight Disorders – Studies on Anorexia, Bulimia and Obesity, 26, 273-285. doi: 10.1007/s40519-020-00857-z
  • Obeid S., Hallit S., Akel M., Brytek-Matera A. (2021). Orthorexia nervosa and its association with alexithymia, emotion dysregulation and disordered eating attitudes among Lebanese adults. Eating and Weight Disorders – Studies on Anorexia, Bulimia and Obesity, 26, 2607-2616. doi: 10.1007/s40519-021-01112-9
  • Parra-Fernández M.L., Onieva-Zafra M.D., Fernández-Muñoz J.J., Głębocka A., Fernández-Martínez E., Brytek-Matera A. (2021). The Spanish version of the Eating Habits Questionnaire (EHQ-ES) and its links to symptoms and concerns characteristic of eating disorders among young adults. Nutrients, 13(6), 1993. doi:10.3390/nu13061993
  • Plasonja N., Brytek-Matera A., Décamps G. (2021). French validation of the Weight Efficacy Life-Style Questionnaire (WEL): Links with mood, self-esteem and stress among the general population and a clinical sample of individuals with overweight and obesity. PLoS ONE, 16(11): e0259885. doi: 10.1371/journal.pone.0259885
  • Waliłko J., Bronowicka P., He J., Brytek-Matera A. (2021). Dieting and disinhibited eating patterns in adult women with normal body weight: does rumination matter? Nutrients, 13(7), 2475. doi: 10.3390/nu13072475
  • Zhao Y., Song J., Brytek-Matera A., Zhang H., He J. (2021). The relationships between sleep and mental and physical health of Chinese elderly: Exploring the mediating roles of diet and physical activity. Nutrients, 13(4), 1316. doi:10.3390/nu13041316


  • Brytek-Matera A. (2020). Restrained eating and vegan, vegetarian and omnivore dietary intakes. Nutrients, 12(7), 2133. doi: 10.3390/nu12072133.
  • Brytek-Matera A. (2020). Interaction between vegetarian versus omnivorous diet and unhealthy eating patterns (orthorexia nervosa, cognitive restraint) and body mass index in adults. Nutrients, 12(3), 646. doi: 10.3390/nu12030646
  • Brytek-Matera A., Onieva-Zafra M.O., Parra-Fernández M.L., Staniszewska A., Modrzejewska J., Fernández-Martínez E. (2020). Evaluation of orthorexia nervosa and symptomatology associated with eating disorders among European university students: a multicentre cross-sectional study. Nutrients, 12(12), 371. doi: 10.3390/nu12123716
  • Brytek-Matera A., Plasonja N., Décamps G. (2020). Assessing orthorexia nervosa: validation of the Polish version of the Eating Habits Questionnaire in a general population sample. Nutrients, 12(12), 3820. doi: 10.3390/nu12123820
  • Brytek-Matera A., Sacre H., Staniszewska A., Hallit S. (2020). The prevalence of orthorexia nervosa in Polish and Lebanese adults and its relationship with sociodemographic variables and BMI ranges: a cross-cultural perspective. Nutrients, 12(12), 3865. doi: 10.3390/nu12123865
  • Brytek-Matera A., Staniszewska A., Hallit S. (2020). Identifying the profile of orthorexic behavior and “normal” eating behavior with cluster analysis: a cross-sectional study among Polish adults. Nutrients, 12(11), 3490. doi:10.3390/nu12113490
  • Czepczor-Bernat K., Brytek-Matera A., Gramaglia C., Zeppegno P. (2020). The moderating effects of mindful eating on the relationship between emotional functioning and eating styles in overweight and obese women. Eating and Weight Disorders – Studies on Anorexia, Bulimia and Obesity, 25, 841-849. doi: 10.1007/s40519-019-00740-6.
  • Czepczor-Bernat K., Brytek-Matera A., Matusik P. (2020). The Homeostatic Theory of Obesity: an empirical verification of the Circle of Discontent with an assessment of its relationship to restrained and uncontrolled eating among children and adolescents. International Journal of Environmental Research and Public Health,17(17), 6028; doi: 10.3390/ijerph17176028.
  • Parra-Fernández M.L., Manzneque-Cañadillas M., Onieva-Zafra M.O., Fernández-Martínez E., Fernández-Muñoz J.J., del Carmen Prado-Laguna M., Brytek-Matera A. (2020). Pathological preoccupation with healthy eating (orthorexia nervosa) in a Spanish sample with vegetarian, vegan and non-vegetarian dietary patterns. Nutrients,12 (12), 3907. doi: 10.3390/nu12123907


  • Brytek-Matera A., Czepczor-Bernat, Jurzak H., Kornacka M., Kołodziejczyk N. (2019). Strict health-oriented eating patterns (orthorexic eating behaviours) and their connection with a vegetarian and vegan diet. Eating and Weight Disorders – Studies on Anorexia, Bulimia and Obesity, 24(3),441-452.
  • Cena H., Barthels F., Cuzzolaro M., Bratman S., Brytek-Matera A., Dunn T., Varga M., Missbach B., Donini L.M. (2019). Definition and diagnostic criteria for orthorexia nervosa: a narrative review of the literature. Eating and Weight Disorders – Studies on Anorexia, Bulimia and Obesity, 24(2), 209-246.
  • Czepczor-Bernat K., Brytek-Matera A. (2019). Children’s and mothers’ perspectives of problematic eating behaviours in young children and adolescents: an exploratory study. International Journal of Environmental Research and Public Health, 16(15), 2692.
  • Gramaglia C., Gambaro E., Delicato C., Marchetti M., Sarchiapone M., Ferrante D., Roncero M., Perpiñá C., Brytek-Matera A., Wojtyna E., Zeppegno P. (2019). Orthorexia nervosa, eating patterns and personality traits: a cross-cultural comparison of Italian, Polish and Spanish university students. BMC Psychiatry, 19, 235.


  • Brytek-Matera A., Czepczor-Bernat K., Olejniczak D. (2018). Food-related behaviours among individuals with obesity and normal body weight individuals. Nutrition Journal, 17, 93.
  • Brytek-Matera A., Donini L.M. (2018). Orthorexia nervosa and body image. In: M. Cuzzolaro, S. Fassino (eds.), Body Image, Eating, and Weight. A Guide to Assessment, Treatment, and Prevention (p. 167-171). Berlin: Springer.
  • Brytek-Matera A., Gramaglia C., Gambaro E., Delicato C, Zeppegno P. (2018). The psychopathology of body image in orthorexia nervosa. Journal of Psychopathology, 24, 133-140.
  • Olejniczak D., Bugajec D., Staniszewska A., Panczyk M. Kielan A., Czerw A., Mańczuk M., Juszczyk G., Skonieczna J., Brytek-Matera A. (2018). Risk assessment of night-eating syndrome occurrence in women in Poland, considering the obesity factor in particular. Neuropsychiatric Disease and Treatment, 14, 1521-1526.