Perceptions of Registered Dietitian Nutritionists (RDNs) on the Use of Artificial Intelligence (AI) in Clinical Nutrition Care: A Cross-Sectional Survey Within a Large U.S. Healthcare System
Abstract
1. Introduction
2. Methods
3. Statistical Analysis
4. Results
5. Discussion
6. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
Abbreviations
| RDN | Registered Dietician Nutritionist |
| AI | Artificial Intelligence |
| NLP | Natural Language Processing |
| ML | Machine Learning |
| RDN | Registered Dietitian |
| CN | Clinical Nutrition |
| VBDA | Vision-based AI Dietary Assessment |
References
- Daneshvar, N.; Pandita, D.; Erickson, S.; Snyder Sulmasy, L.; DeCamp, M.; ACP Medical Informatics Committee and the Ethics, Professionalism and Human Rights Committee. Artificial Intelligence in the Provision of Health Care: An American College of Physicians Policy Position Paper. Ann. Intern. Med. 2024, 177, 964–967. [Google Scholar] [CrossRef] [Scilit]
- Katwaroo, A.R.; Adesh, V.S.; Lowtan, A.; Umakanthan, S. The diagnostic, therapeutic, and ethical impact of artificial intelligence in modern medicine. Postgrad. Med. J. 2024, 100, 289–296. [Google Scholar] [CrossRef] [Scilit]
- Alowais, S.A.; Alghamdi, S.S.; Alsuhebany, N.; Alqahtani, T.; Alshaya, A.I.; Almohareb, S.N.; Aldairem, A.; Alrashed, M.; Bin Saleh, K.; Badreldin, H.A.; et al. Revolutionizing healthcare: The role of artificial intelligence in clinical practice. BMC Med. Educ. 2023, 23, 689. [Google Scholar] [CrossRef] [Scilit] [PubMed]
- Xie, Y.; Zhang, L.; Sun, W.; Zhu, Y.; Zhang, Z.; Chen, L.; Xie, M.; Zhang, L. Artificial Intelligence in Diagnosis of Heart Failure. J. Am. Heart Assoc. 2025, 14, e039511. [Google Scholar] [CrossRef] [Scilit] [PubMed]
- Singer, P.; Robinson, E.; Raphaeli, O. The future of artificial intelligence in clinical nutrition. Curr. Opin. Clin. Nutr. Metab. Care 2024, 27, 200–206. [Google Scholar] [CrossRef] [Scilit] [PubMed]
- Kelly, J.T.; Collins, P.F.; McCamley, J.; Ball, L.; Roberts, S.; Campbell, K.L. Digital disruption of dietetics: Are we ready? J. Hum. Nutr. Diet. 2021, 34, 134–146. [Google Scholar] [CrossRef] [Scilit]
- Atwal, K. Artificial intelligence in clinical nutrition and dietetics: A brief overview of current evidence. Nutr. Clin. Pract. 2024, 39, 736–742. [Google Scholar] [CrossRef] [Scilit]
- Kassem, H.; Beevi, A.A.; Basheer, S.; Lutfi, G.; Cheikh Ismail, L.; Papandreou, D. Investigation and Assessment of AI’s Role in Nutrition-An Updated Narrative Review of the Evidence. Nutrients 2025, 17, 190. [Google Scholar] [CrossRef] [Scilit]
- Kaipainen, T.; Hartikainen, S.; Tiihonen, M.; Nykanen, I. Effect of individually tailored nutritional counseling on frailty status in older adults with protein-energy malnutrition or risk of it: An intervention study among home care clients. Eur. J. Clin. Nutr. 2025, 79, 306–310. [Google Scholar] [CrossRef] [Scilit]
- Wu, X.; Oniani, D.; Shao, Z.; Arciero, P.; Sivarajkumar, S.; Hilsman, J.; Mohr, A.E.; Ibe, S.; Moharir, M.; Li, L.J.; et al. A Scoping Review of Artificial Intelligence for Precision Nutrition. Adv. Nutr. 2025, 16, 100398. [Google Scholar] [CrossRef] [Scilit]
- Varayil, J.E.; Bielinski, S.J.; Mundi, M.S.; Bonnes, S.L.; Salonen, B.R.; Hurt, R.T. Artificial Intelligence in Clinical Nutrition: Bridging Data Analytics and Nutritional Care. Curr. Nutr. Rep. 2025, 14, 91. [Google Scholar] [CrossRef] [Scilit] [PubMed]
- Lu, Y.; Stathopoulou, T.; Vasiloglou, M.F.; Pinault, L.F.; Kiley, C.; Spanakis, E.K.; Mougiakakou, S. goFOOD(TM): An Artificial Intelligence System for Dietary Assessment. Sensors 2020, 20, 4283. [Google Scholar] [CrossRef] [Scilit] [PubMed]
- Samad, S.; Ahmed, F.; Naher, S.; Kabir, M.A.; Das, A.; Amin, S.; Islam, S.M.S. Smartphone apps for tracking food consumption and recommendations: Evaluating artificial intelligence-based functionalities, features and quality of current apps. Intell. Syst. Appl. 2022, 15, 200103. [Google Scholar] [CrossRef] [Scilit]
- Lozano, C.P.; Canty, E.N.; Saha, S.; Broyles, S.T.; Beyl, R.A.; Apolzan, J.W.; Martin, C.K. Validity of an Artificial Intelligence-Based Application to Identify Foods and Estimate Energy Intake Among Adults: A Pilot Study. Curr. Dev. Nutr. 2023, 7, 102009. [Google Scholar] [CrossRef] [Scilit]
- Jin, B.T.; Choi, M.H.; Moyer, M.F.; Kim, D.A. Predicting malnutrition from longitudinal patient trajectories with deep learning. PLoS ONE 2022, 17, e0271487. [Google Scholar] [CrossRef] [Scilit] [PubMed]
- Raphaeli, O.; Singer, P. Towards personalized nutritional treatment for malnutrition using machine learning-based screening tools. Clin. Nutr. 2021, 40, 5249–5251. [Google Scholar] [CrossRef] [Scilit]
- Timsina, P.; Joshi, H.N.; Cheng, F.Y.; Kersch, I.; Wilson, S.; Colgan, C.; Freeman, R.; Reich, D.L.; Mechanick, J.; Mazumdar, M.; et al. MUST-Plus: A Machine Learning Classifier That Improves Malnutrition Screening in Acute Care Facilities. J. Am. Coll. Nutr. 2021, 40, 3–12. [Google Scholar] [CrossRef] [Scilit]
- Alhazmi, A.; Ibrahem, M.; Dawria, A. Knowledge, attitude and practice of artificial intelligence among dietitians in Saudi Arabia: A cross-sectional study. BMJ Open 2025, 15, e104230. [Google Scholar] [CrossRef] [Scilit]
- Wengreen, H.; Bevan, S.; Kraus, K. Dietetic Students’ Knowledge and Perceptions of Their Use of Generative Artificial Intelligence Now and in the Future. J. Acad. Nutr. Diet. 2024, 124, A70. [Google Scholar] [CrossRef] [Scilit]
- Hurt, R.T.; Edakkanambeth Varayil, J.; Epp, L.M.; Pattinson, A.K.; Lammert, L.M.; Lintz, J.E.; Mundi, M.S. Blenderized Tube Feeding Use in Adult Home Enteral Nutrition Patients: A Cross-Sectional Study. Nutr. Clin. Pract. 2015, 30, 824–829. [Google Scholar] [CrossRef] [Scilit]
- Harris, P.A.; Taylor, R.; Thielke, R.; Payne, J.; Gonzalez, N.; Conde, J.G. Research electronic data capture (REDCap)—A metadata-driven methodology and workflow process for providing translational research informatics support. J. Biomed. Inform. 2009, 42, 377–381. [Google Scholar] [CrossRef] [Scilit] [PubMed]
- Harris, P.A.; Taylor, R.; Minor, B.L.; Elliott, V.; Fernandez, M.; O’Neal, L.; McLeod, L.; Delacqua, G.; Delacqua, F.; Kirby, J.; et al. The REDCap consortium: Building an international community of software platform partners. J. Biomed. Inform. 2019, 95, 103208. [Google Scholar] [CrossRef] [Scilit]
- Rony, M.K.K.; Kayesh, I.; Bala, S.D.; Akter, F.; Parvin, M.R. Artificial intelligence in future nursing care: Exploring perspectives of nursing professionals—A descriptive qualitative study. Heliyon 2024, 10, e25718. [Google Scholar] [CrossRef] [Scilit] [PubMed]
- Gustafson, K.A.; Rowe, C.; Gavaza, P.; Bernknopf, A.; Nogid, A.; Hoffman, A.; Jones, E.; Showman, L.; Miller, V.; Abdel Aziz, M.H.; et al. Pharmacists’ perceptions of artificial intelligence: A national survey. J. Am. Pharm. Assoc. 2025, 65, 102306. [Google Scholar] [CrossRef] [Scilit] [PubMed]
| Characteristic | n (%) |
|---|---|
| Age, years | |
| ≤30 | 14 (22%) |
| 31 to 40 | 17 (27%) |
| 41 to 50 | 17 (27%) |
| ≥51 | 15 (24%) |
| Missing | 1 |
| Sex | |
| Female | 59 (95%) |
| Male | 3 (5%) |
| Missing | 2 |
| Years of experience | |
| ≤5 | 14 (23%) |
| 6 to 10 | 8 (13%) |
| 11 to 15 | 10 (16%) |
| 16 to 20 | 7 (11%) |
| ≥21 | 23 (37%) |
| Missing | 2 |
| Race | |
| White | 60 (98%) |
| More than 1 race | 1 (2%) |
| Missing | 3 |
| Ethnicity | |
| Not Hispanic/Latino | 59 (98%) |
| Hispanic/Latino | 1 (2%) |
| Missing | 4 |
| Work Setting * | |
| Inpatient | 33 (52%) |
| Outpatient | 36 (56%) |
| Private Practice | 1 (2%) |
| Memberships * | |
| Academy of Nutrition and Dietetics | 21 (33%) |
| American Society for Nutrition | 2 (3%) |
| American Society of Parenteral and Enteral Nutrition | 11 (17%) |
| Other | 11 (17%) |
| (a) | ||||||
| Item | Abbreviated Survey Statement | Strongly Disagree | Disagree | Neutral | Agree | Strongly Agree |
| 1 | AI enhances consult quality | 1 (2%) | 4 (6%) | 28 (44%) | 24 (38%) | 6 (10%) |
| 2 | The integration of AI aligns with the future of healthcare | 1 (2%) | 3 (5%) | 14 (22%) | 32 (51%) | 13 (21%) |
| 3 | Confidence in AI’s accuracy | 5 (8%) | 17 (27%) | 29 (46%) | 12 (19%) | 0 (0%) |
| 4 | AI addresses complex problems | 4 (6%) | 19 (31%) | 21 (34%) | 14 (23%) | 4 (6%) |
| 5 | AI reduces time taken to complete routine tasks | 1 (2%) | 8 (13%) | 7 (11%) | 34 (53%) | 14 (22%) |
| 6 | AI reduces workload | 1 (2%) | 7 (11%) | 22 (34%) | 25 (39%) | 9 (14%) |
| 7 | AI can streamline personalized plans | 2 (3%) | 15 (23%) | 19 (30%) | 22 (34%) | 6 (9%) |
| 8 | AI can improve productivity | 1 (2%) | 7 (11%) | 24 (39%) | 21 (34%) | 9 (15%) |
| 9 | Dieticians trust AI recommendations | 6 (9%) | 16 (25%) | 32 (50%) | 10 (16%) | 0 (0%) |
| 10 | AI provides evidence-based recommendations | 4 (6%) | 13 (20%) | 39 (61%) | 7 (11%) | 1 (2%) |
| 11 | Clear explanations from AI are important | 1 (2%) | 0 (0%) | 5 (8%) | 34 (53%) | 24 (38%) |
| 12 | Concern about AI’s errors | 1 (2%) | 4 (6%) | 7 (11%) | 32 (50%) | 20 (31%) |
| 13 | Comfortable using AI with clinical judgment | 3 (5%) | 6 (9%) | 17 (27%) | 26 (41%) | 12 (19%) |
| 14 | AI enhances patient engagement | 3 (5%) | 15 (23%) | 34 (53%) | 10 (16%) | 2 (3%) |
| 15 | Patients are likely to trust AI advice | 3 (5%) | 22 (34%) | 28 (44%) | 11 (17%) | 0 (0%) |
| 16 | AI improves patient outcomes | 1 (2%) | 12 (19%) | 29 (46%) | 19 (30%) | 2 (3%) |
| 17 | Patients prefer AI-integrated consults | 6 (9%) | 23 (36%) | 28 (44%) | 7 (11%) | 0 (0%) |
| 18 | AI improves communication and education | 3 (5%) | 9 (15%) | 26 (42%) | 22 (35%) | 2 (3%) |
| 19 | The use of AI raises ethical/privacy concerns | 1 (2%) | 13 (20%) | 19 (30%) | 26 (41%) | 5 (8%) |
| 20 | Cost is a barrier | 2 (3%) | 13 (21%) | 37 (59%) | 8 (13%) | 3 (5%) |
| 21 | AI could replace dietitians in tasks | 11 (17%) | 26 (41%) | 13 (20%) | 12 (19%) | 2 (3%) |
| 22 | Adequate training is necessary | 1 (2%) | 0 (0%) | 6 (9%) | 34 (53%) | 23 (36%) |
| 23 | We need more research on AI | 0 (0%) | 0 (0%) | 7 (11%) | 32 (50%) | 25 (39%) |
| (b) | ||||||
| Item | Abbreviated Survey Statement | Factor 1 | Factor 2 | |||
| 1 | AI enhances consult quality | 0.82 | — | |||
| 2 | The integration of AI aligns with the future of healthcare | 0.75 | — | |||
| 3 | Confidence in AI’s accuracy | 0.80 | — | |||
| 4 | AI addresses complex problems | 0.63 | — | |||
| 5 | AI reduces time for routine tasks | 0.80 | — | |||
| 6 | AI reduces workload | 0.86 | — | |||
| 7 | AI can streamline personalized plans | 0.86 | — | |||
| 8 | AI can improve productivity | 0.87 | — | |||
| 9 | Dietitians trust AI recommendations | 0.76 | — | |||
| 10 | AI provides evidence-based recommendations | 0.67 | — | |||
| 11 | Clear explanations from AI important | — | 0.74 | |||
| 12 | Concern about AI’s errors | — | 0.84 | |||
| 13 | Comfortable using AI with clinical judgment | 0.61 | — | |||
| 14 | AI enhances patient engagement | 0.65 | — | |||
| 15 | Patients are likely to trust AI advice | 0.55 | — | |||
| 16 | AI improves patient outcomes | 0.72 | — | |||
| 17 | Patients prefer AI-integrated consults | 0.46 | — | |||
| 18 | AI improves communication and education | 0.67 | — | |||
| 19 * | The use of AI raises ethical/privacy concerns | −0.50 | — | |||
| 20 | Cost is a barrier | — | 0.57 | |||
| 21 † | AI could replace dietitians in tasks | — | — | |||
| 22 | Adequate training is necessary | — | 0.70 | |||
| 23 | We need more research on AI | — | 0.45 | |||
| Cronbach’s Alpha | 0.94 | 0.76 | ||||
| Factor 1 (Usage Optimism) | Factor 2 (Implementation Skepticism) | |||
|---|---|---|---|---|
| Characteristic | Mean ± SD | p-Value * | Mean ± SD | p-Value * |
| Overall (n = 64) | 0.1 ± 0.6 | - | 1.0 ± 0.6 | - |
| Age | 0.281 | 0.289 | ||
| ≤30 (n = 14) | 0.0 ± 0.8 | 0.9 ± 0.8 | ||
| 31 to 40 (n = 17) | 0.1 ± 0.6 | 1.1 ± 0.4 | ||
| 41 to 50 (n = 17) | 0.4 ± 0.6 | 1.0 ± 0.6 | ||
| ≥51 (n = 15) | 0.1 ± 0.5 | 0.8 ± 0.4 | ||
| Years of experience | 0.642 | 0.012 | ||
| ≤10 (n = 22) | 0.0 ± 0.7 | 1.0 ± 0.6 | ||
| 11 to 20 (n = 17) | 0.2 ± 0.6 | 1.3 ± 0.5 | ||
| ≥21 (n = 23) | 0.2 ± 0.6 | 0.7 ± 0.4 | ||
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Share and Cite
Johnson, D.; Hurt, R.T.; Mundi, M.S.; Salonen, B.R.; Bonnes, S.L.; Schroeder, D.R.; Fokken, S.C.; Croghan, I.T.; Edakkanambeth Varayil, J. Perceptions of Registered Dietitian Nutritionists (RDNs) on the Use of Artificial Intelligence (AI) in Clinical Nutrition Care: A Cross-Sectional Survey Within a Large U.S. Healthcare System. Nutrients 2026, 18, 934. https://doi.org/10.3390/nu18060934
Johnson D, Hurt RT, Mundi MS, Salonen BR, Bonnes SL, Schroeder DR, Fokken SC, Croghan IT, Edakkanambeth Varayil J. Perceptions of Registered Dietitian Nutritionists (RDNs) on the Use of Artificial Intelligence (AI) in Clinical Nutrition Care: A Cross-Sectional Survey Within a Large U.S. Healthcare System. Nutrients. 2026; 18(6):934. https://doi.org/10.3390/nu18060934
Chicago/Turabian StyleJohnson, Danelle, Ryan T. Hurt, Manpreet S. Mundi, Bradley R. Salonen, Sara L. Bonnes, Darrell R. Schroeder, Shawn C. Fokken, Ivana T. Croghan, and Jithinraj Edakkanambeth Varayil. 2026. "Perceptions of Registered Dietitian Nutritionists (RDNs) on the Use of Artificial Intelligence (AI) in Clinical Nutrition Care: A Cross-Sectional Survey Within a Large U.S. Healthcare System" Nutrients 18, no. 6: 934. https://doi.org/10.3390/nu18060934
APA StyleJohnson, D., Hurt, R. T., Mundi, M. S., Salonen, B. R., Bonnes, S. L., Schroeder, D. R., Fokken, S. C., Croghan, I. T., & Edakkanambeth Varayil, J. (2026). Perceptions of Registered Dietitian Nutritionists (RDNs) on the Use of Artificial Intelligence (AI) in Clinical Nutrition Care: A Cross-Sectional Survey Within a Large U.S. Healthcare System. Nutrients, 18(6), 934. https://doi.org/10.3390/nu18060934

