{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,24]],"date-time":"2026-08-24T12:29:43Z","timestamp":1787574583110,"version":"build-2736575974"},"reference-count":48,"publisher":"MDPI AG","issue":"17","license":[{"start":{"date-parts":[[2026,8,22]],"date-time":"2026-08-22T00:00:00Z","timestamp":1787356800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Polish Ministry of Science and Higher Education"},{"id":[{"id":"https:\/\/ror.org\/05dwvd537","id-type":"ROR","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J. Clin. Med.","JCM"],"abstract":"<jats:p>Background: Cancer is one of the leading causes of morbidity and mortality worldwide, and epidemiological projections indicate that its incidence will continue to increase. Gastrointestinal cancers are among the most frequently diagnosed malignant neoplasms. Quality of life is a key component of oncology care and is significantly influenced by nutritional status and dietary habits. Methods: The study included 52 adult patients diagnosed with gastrointestinal cancer. Data were collected using an anonymous questionnaire based on the QEB (Questionnaire of Eating Behaviour) and WHOQOL-BREF (World Health Organization Quality of Life\u2014BREF) instruments, supplemented with questions regarding changes in dietary habits and the use of dietary counseling following diagnosis. Nutritional knowledge, dietary habits, and quality of life across four domains (physical, psychological, social, and environmental) were assessed. Statistical analysis was performed using descriptive statistics and appropriate tests of statistical significance. Results: Cancers of the colon and rectum\u2014reported either as unspecified colorectal cancer or as separately specified colon or rectal cancer\u2014together accounted for the largest share of diagnoses (26 diagnoses, representing 44.8% of the 58 total reported diagnoses). Quality-of-life assessment revealed the lowest scores in the physical domain and the highest scores in the social domain. The youngest participants achieved the highest scores in the psychological domain, whereas the lowest scores across all domains were observed among individuals aged over 60 years. Following diagnosis, 63.5% of participants reported reviewing and modifying their dietary habits; however, the majority had not received dietary counseling. Women reported higher fruit and vegetable consumption than men, while higher educational attainment was associated with greater self-assessed nutritional knowledge. Conclusions: Among patients with gastrointestinal cancers surveyed in this study, the physical domain of quality of life had the lowest WHOQOL-BREF score. Most participants reported modifying their dietary habits after diagnosis, although most had not received formal dietary counseling. Higher educational attainment was associated with higher self-assessed nutritional knowledge. Given the small convenience sample and cross-sectional design, these findings should be considered exploratory.<\/jats:p>","DOI":"10.3390\/jcm15176508","type":"journal-article","created":{"date-parts":[[2026,8,24]],"date-time":"2026-08-24T11:47:19Z","timestamp":1787572039000},"page":"6508","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Dietary Habits, Nutritional Knowledge, and Quality of Life Among Patients with Gastrointestinal Cancers: An Exploratory Cross-Sectional Survey"],"prefix":"10.3390","volume":"15","author":[{"given":"Katarzyna","family":"Antosik","sequence":"first","affiliation":[{"name":"Institute of Health Sciences, Faculty of Medical and Health Sciences, University of Siedlce, 08-110 Siedlce, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Damian","family":"Dy\u0144ka","sequence":"additional","affiliation":[{"name":"Institute of Health Sciences, Faculty of Medical and Health Sciences, University of Siedlce, 08-110 Siedlce, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2485-1769","authenticated-orcid":false,"given":"El\u017cbieta","family":"Krz\u0119cio-Nieczyporuk","sequence":"additional","affiliation":[{"name":"Institute of Health Sciences, Faculty of Medical and Health Sciences, University of Siedlce, 08-110 Siedlce, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Maja","family":"Ksi\u0119\u017copolska","sequence":"additional","affiliation":[{"name":"Institute of Health Sciences, Faculty of Medical and Health Sciences, University of Siedlce, 08-110 Siedlce, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Milena","family":"Kobyli\u0144ska","sequence":"additional","affiliation":[{"name":"Institute of Health Sciences, Faculty of Medical and Health Sciences, University of Siedlce, 08-110 Siedlce, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2892-5315","authenticated-orcid":false,"given":"Katarzyna","family":"Kurowska","sequence":"additional","affiliation":[{"name":"Institute of Health Sciences, Faculty of Medical and Health Sciences, University of Siedlce, 08-110 Siedlce, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2026,8,22]]},"reference":[{"key":"ref_1","unstructured":"World Health Organization (2026, July 06). Cancer. Available online: https:\/\/www.who.int\/news-room\/fact-sheets\/detail\/cancer."},{"key":"ref_2","first-page":"e70043","article-title":"Cancer statistics, 2026","volume":"76","author":"Siegel","year":"2026","journal-title":"CA Cancer J. Clin."},{"key":"ref_3","unstructured":"European Commission, and Joint Research Centre (2026, July 06). European Cancer Information System: Cancer Factsheets. Available online: https:\/\/ecis.jrc.ec.europa.eu\/factsheets."},{"key":"ref_4","first-page":"12","article-title":"Cancer statistics, 2024","volume":"74","author":"Siegel","year":"2024","journal-title":"CA Cancer J. Clin."},{"key":"ref_5","unstructured":"(2026, July 06). O Onkologii Dla Ka\u017cdego, Available online: https:\/\/pacjent.gov.pl\/aktualnosc\/o-onkologii-dla-kazdego."},{"key":"ref_6","unstructured":"Krajowy Rejestr Nowotwor\u00f3w (2026, July 06). Nowotwory Z\u0142o\u015bliwe w Polsce\u2014Epidemiologia. Available online: https:\/\/onkologia.org.pl\/pl\/epidemiologia\/nowotwory-zlosliwe-w-polsce."},{"key":"ref_7","doi-asserted-by":"crossref","first-page":"2898","DOI":"10.1016\/j.clnu.2021.02.005","article-title":"ESPEN practical guideline: Clinical Nutrition in cancer","volume":"40","author":"Muscaritoli","year":"2021","journal-title":"Clin. Nutr."},{"key":"ref_8","doi-asserted-by":"crossref","unstructured":"Zhang, L., Ding, Z., Zhao, Y., Cheng, Z., Hu, J., and Huo, L. (2025). Advances and challenges in nutritional screening and assessment for cancer patients: A comprehensive systematic review and future directions. Front. Nutr., 12.","DOI":"10.3389\/fnut.2025.1688344"},{"key":"ref_9","doi-asserted-by":"crossref","unstructured":"Antasouras, G., Papadopoulou, S.K., Tolia, M., Pandi, A.L., Spanoudaki, M., Tsoukalas, N., Tsourouflis, G., Psara, E., Mentzelou, M., and Giaginis, C. (2023). May Nutritional Status Positively Affect Disease Progression and Prognosis in Patients with Esophageal and Pharyngeal Cancers? A Scoping Review of the Current Clinical Studies. Med. Sci., 11.","DOI":"10.3390\/medsci11040064"},{"key":"ref_10","doi-asserted-by":"crossref","first-page":"107074","DOI":"10.1016\/j.ejso.2023.107074","article-title":"Malnutrition in cancer patients: Causes, consequences and treatment options","volume":"50","author":"Arends","year":"2024","journal-title":"Eur. J. Surg. Oncol."},{"key":"ref_11","doi-asserted-by":"crossref","unstructured":"Koustas, E., Trifylli, E.M., Sarantis, P., Papadopoulos, N., Karapedi, E., Aloizos, G., Damaskos, C., Garmpis, N., Garmpi, A., and Papavassiliou, K.A. (2022). Immunotherapy as a Therapeutic Strategy for Gastrointestinal Cancer-Current Treatment Options and Future Perspectives. Int. J. Mol. Sci., 23.","DOI":"10.3390\/ijms23126664"},{"key":"ref_12","doi-asserted-by":"crossref","first-page":"11","DOI":"10.1016\/j.clnu.2016.07.015","article-title":"ESPEN guidelines on nutrition in cancer patients","volume":"36","author":"Arends","year":"2017","journal-title":"Clin. Nutr."},{"key":"ref_13","first-page":"55","article-title":"Directions of development of palliative care based on the literature","volume":"14","year":"2022","journal-title":"Med. Paliatywna\/Palliat. Med."},{"key":"ref_14","doi-asserted-by":"crossref","first-page":"178","DOI":"10.1200\/OP-25-00479","article-title":"Re-Examining Early in Early Palliative Care: Precedent, Reality, and Future Research Priorities","volume":"22","author":"Petrillo","year":"2026","journal-title":"JCO Oncol. Pract."},{"key":"ref_15","first-page":"1236","article-title":"Quality of Life of Colorectal Cancer Patients: A Literary Review","volume":"53","author":"Zhabagin","year":"2024","journal-title":"Iran. J. Public Health"},{"key":"ref_16","doi-asserted-by":"crossref","first-page":"e05250","DOI":"10.1016\/j.heliyon.2020.e05250","article-title":"Quality of Life (QoL) of cancer patients and its association with nutritional and performance status: A pilot study","volume":"6","author":"Alam","year":"2020","journal-title":"Heliyon"},{"key":"ref_17","doi-asserted-by":"crossref","first-page":"390","DOI":"10.5603\/njo.98366","article-title":"Quality of life as an important goal of therapy for cancer patients on home enteral nutrition","volume":"73","author":"Folwarski","year":"2023","journal-title":"Nowotw. J. Oncol."},{"key":"ref_18","doi-asserted-by":"crossref","first-page":"143","DOI":"10.1016\/j.nutos.2025.01.001","article-title":"Development and validation of a food-related quality of life questionnaire (CANUT-QVA) for cancer patients","volume":"59","author":"Drareni","year":"2025","journal-title":"Clin. Nutr. Open Sci."},{"key":"ref_19","unstructured":"W\u0105do\u0142owska, L., and Krusi\u0144ska, B. (2026, May 01). Procedura Opracowania Danych \u017bywieniowych z Kwestionariusza QEB. Available online: http:\/\/www.uwm.edu.pl\/edu\/lidiawadolowska."},{"key":"ref_20","first-page":"102","article-title":"Przegl\u0105d wybranych kwestionariuszy oceny jako\u015bci \u017cycia","volume":"21","author":"Podbielska","year":"2015","journal-title":"In\u017c. Biomed."},{"key":"ref_21","unstructured":"Wo\u0142owicka, L. (2001). Polska wersja WHOQOL 100 i WHOQOL Bref. Jako\u015b\u0107 \u017bycia W Naukach Medycznych, Wydawnictwo Uczelniane Akademii Medycznej im. K. Marcinkowskiego."},{"key":"ref_22","unstructured":"World Health Organization (2026, April 03). Quality of Life Group: WHOQOL-BREF Introduction. Administration and Scoring. Field Trial Version. Available online: https:\/\/www.who.int\/publications\/i\/item\/WHOQOL-BREF."},{"key":"ref_23","doi-asserted-by":"crossref","first-page":"825","DOI":"10.26719\/2011.17.11.825","article-title":"Evaluation of the health-related quality of life of Emirati people with diabetes: Integration of sociodemographic and disease-related variables","volume":"17","year":"2011","journal-title":"East. Mediterr. Health J."},{"key":"ref_24","doi-asserted-by":"crossref","first-page":"1763","DOI":"10.1213\/ANE.0000000000002864","article-title":"Correlation Coefficients: Appropriate Use and Interpretation","volume":"126","author":"Schober","year":"2018","journal-title":"Anesth. Analg."},{"key":"ref_25","first-page":"e1829","article-title":"Assessment of quality of life (QOL) in cancer patients attending oncology unit of a Teaching Hospital in Bangladesh","volume":"6","author":"Islam","year":"2023","journal-title":"Cancer Rep."},{"key":"ref_26","doi-asserted-by":"crossref","first-page":"103153","DOI":"10.1016\/j.eclinm.2025.103153","article-title":"Prognostic value of baseline EORTC QLQ-C30 scores for overall survival across 46 clinical trials covering 17 cancer types: A validation study","volume":"82","author":"Lim","year":"2025","journal-title":"eClinicalMedicine"},{"key":"ref_27","doi-asserted-by":"crossref","first-page":"oyag028","DOI":"10.1093\/oncolo\/oyag028","article-title":"Malnutrition in gastrointestinal cancer manifests before systemic therapy and is associated with fatigue and reduced physical quality of life","volume":"31","author":"Wiese","year":"2026","journal-title":"Oncologist"},{"key":"ref_28","doi-asserted-by":"crossref","unstructured":"Abd Rashid, A.A., Jan Mohamed, H.J., Mitra, A.K., Ashari, L.S., Shahril, M.R., Yeh, L.Y., and Ali, R.A.R. (2025). Nutritional Association of Quality of Life Among Colorectal Cancer Survivors in Malaysia: A 6-Month Follow-Up Study. Int. J. Environ. Res. Public Health, 22.","DOI":"10.20944\/preprints202509.0208.v1"},{"key":"ref_29","first-page":"373","article-title":"Survey and analysis of the nutritional status in hospitalized patients with malignant gastric tumors and its influence on the quality of life","volume":"28","author":"Guo","year":"2020","journal-title":"Support Care Cancer"},{"key":"ref_30","doi-asserted-by":"crossref","unstructured":"Poulia, K.A., Antoniadou, D., Sarantis, P., and Karamouzis, M.V. (2022). Pancreatic Cancer Prognosis, Malnutrition Risk, and Quality of Life: A Cross-Sectional Study. Nutrients, 14.","DOI":"10.3390\/nu14030442"},{"key":"ref_31","doi-asserted-by":"crossref","unstructured":"Lewandowska, A., Rudzki, G., Lewandowski, T., Pr\u00f3chnicki, M., Rudzki, S., Laskowska, B., and Brudniak, J. (2020). Quality of Life of Cancer Patients Treated with Chemotherapy. Int. J. Environ. Res. Public Health, 17.","DOI":"10.3390\/ijerph17196938"},{"key":"ref_32","doi-asserted-by":"crossref","first-page":"90","DOI":"10.5114\/pson.2016.62058","article-title":"Quality of life of lung cancer patients","volume":"20","author":"Kozaka","year":"2016","journal-title":"Psychoonkologia"},{"key":"ref_33","first-page":"7","article-title":"The Feeling of Depression, Anxiety and Pain and Styles of Coping with Difficult Situations in Patients with Cancer","volume":"15","author":"Mziray","year":"2014","journal-title":"Przeds. Zarz."},{"key":"ref_34","doi-asserted-by":"crossref","first-page":"107","DOI":"10.1007\/s11839-013-0413-7","article-title":"Quality of life in advanced cervical cancer patients subjected to radiotherapy\u2014A WHOQOL BREF questionnaire study","volume":"7","author":"Pasek","year":"2013","journal-title":"Psycho-Oncol."},{"key":"ref_35","doi-asserted-by":"crossref","first-page":"59","DOI":"10.37897\/RMJ.2023.2.1","article-title":"Quality of life in cancer patients\u2014A systematic review","volume":"70","author":"Ejupi","year":"2023","journal-title":"Ro Med. J."},{"key":"ref_36","doi-asserted-by":"crossref","first-page":"53","DOI":"10.1016\/j.ejon.2007.06.003","article-title":"Quality of life predictors in breast cancer women","volume":"12","author":"Rabin","year":"2008","journal-title":"Eur. J. Oncol. Nurs."},{"key":"ref_37","doi-asserted-by":"crossref","first-page":"e00526079","DOI":"10.5603\/ocp.105932","article-title":"Social support and quality of life among oncology patients","volume":"22","year":"2026","journal-title":"Oncol. Clin. Pract."},{"key":"ref_38","doi-asserted-by":"crossref","unstructured":"Bossi, P., De Luca, R., Ciani, O., D\u2019Angelo, E., and Caccialanza, R. (2022). Malnutrition management in oncology: An expert view on controversial issues and future perspectives. Front. Oncol., 12.","DOI":"10.3389\/fonc.2022.910770"},{"key":"ref_39","doi-asserted-by":"crossref","unstructured":"Budai, B.C., Martinekova, P., Cai, G., Dobszai, D., Fekete, L., Normann, H.A., N\u00e9meth, J., Fazekas, A., Szalai, E.\u00c1., and Szentesi, A. (2026). Risk of Malnutrition in Digestive System Cancers: A Systematic Review and Meta-Analysis. Cancers, 18.","DOI":"10.3390\/cancers18010080"},{"key":"ref_40","doi-asserted-by":"crossref","unstructured":"Liu, Z., She, T., Mo, S., Wei, W., Guo, Y., Liu, Y., and Zhang, Y. (2026). Food and nutrition literacy and diet self-efficacy among patients with liver cancer: Latent profile analysis, associated factors, and an exploratory examination of gender differences. Front. Nutr., 13.","DOI":"10.3389\/fnut.2026.1839963"},{"key":"ref_41","doi-asserted-by":"crossref","first-page":"481","DOI":"10.1002\/pon.3043","article-title":"The relationships among knowledge, self-efficacy, preparedness, decisional conflict, and decisions to participate in a cancer clinical trial","volume":"22","author":"Miller","year":"2013","journal-title":"Psycho-Oncol."},{"key":"ref_42","doi-asserted-by":"crossref","first-page":"839","DOI":"10.1002\/jcsm.12928","article-title":"Association between skeletal muscle mass and quality of life in adults with cancer: A systematic review and meta-analysis","volume":"13","author":"Hanna","year":"2022","journal-title":"J. Cachexia Sarcopenia Muscle"},{"key":"ref_43","doi-asserted-by":"crossref","first-page":"111838","DOI":"10.1016\/j.nut.2022.111838","article-title":"Dietary Choices After a Cancer Diagnosis: A Narrative Review","volume":"103\u2013104","author":"Ford","year":"2022","journal-title":"Nutrition"},{"key":"ref_44","first-page":"6921","article-title":"Do cancer survivors change their diet after cancer diagnosis?","volume":"29","author":"Tan","year":"2021","journal-title":"Support Care Cancer"},{"key":"ref_45","first-page":"1355","article-title":"Dietary changes and food habits: Social and clinical determinants in a cohort of women diagnosed with breast cancer in Barcelona (DAMA cohort)","volume":"32","author":"Clotas","year":"2021","journal-title":"Cancer Causes Control CCC"},{"key":"ref_46","doi-asserted-by":"crossref","first-page":"1367","DOI":"10.17219\/acem\/65433","article-title":"Dietary patterns and breast or lung cancer risk: A pooled analysis of 2 case-control studies in north-eastern Poland","volume":"26","author":"Hawrysz","year":"2017","journal-title":"Adv. Clin. Exp. Med."},{"key":"ref_47","first-page":"e12961","article-title":"Questionnaire study of the dietary habits of breast cancer survivors and their relationship to quality of life (KROG 14-09)","volume":"28","author":"Rim","year":"2019","journal-title":"Eur. J. Cancer Care"},{"key":"ref_48","doi-asserted-by":"crossref","first-page":"566","DOI":"10.1111\/jhn.13001","article-title":"Do people change their eating habits after a diagnosis of cancer? A systematic review","volume":"36","author":"Aldossari","year":"2023","journal-title":"J. Hum. Nutr. Diet."}],"container-title":["Journal of Clinical Medicine"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.mdpi.com\/2077-0383\/15\/17\/6508\/pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,8,24]],"date-time":"2026-08-24T12:07:57Z","timestamp":1787573277000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.mdpi.com\/2077-0383\/15\/17\/6508"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,8,22]]},"references-count":48,"journal-issue":{"issue":"17","published-online":{"date-parts":[[2026,9]]}},"alternative-id":["jcm15176508"],"URL":"https:\/\/doi.org\/10.3390\/jcm15176508","relation":{},"ISSN":["2077-0383"],"issn-type":[{"value":"2077-0383","type":"electronic"}],"subject":[],"published":{"date-parts":[[2026,8,22]]}}}