Thaís São-João, PhD, MSN, RN


Dr. Thaís São-João is an Assistant Professor and nurse researcher who focuses on health-related behavior change. Her clinical background is in the health of adults and elderly in intensive care. In Brazil, she received grants from the National Council of Scientific and Technological Development (CNPq) and from the São Paulo Research Foundation (Fapesp) as a Tenured Professor.

Dr. São-João is experienced in studies aimed at designing, implementing and assessing nurse-driven interventions; as well as randomized, controlled intervention studies in clinical settings. She has expertise in research design and methods, and in cultural adaptation and validation studies, with a focus on people with noncommunicable diseases such as cardiovascular conditions, hypertension, diabetes and obesity. She is a member of the Society of Cardiology of the State of São Paulo (Socesp), Sigma Theta Tau Honor Society for Nursing, American Association of Critical Care Nurses, and the International Behavioral Trials Network (IBTN).


Behavior, Health, Physical Activity, Self-Care, Adaptation and validation of measurement instruments, Theory-based Nursing interventions, and the Care process in chronic noncommunicable diseases.


PhD, Nursing, University of Campinas (Brazil)

Post-Doc, Health Sciences, University of Campinas (Brazil)

MSN, Nursing, University of Campinas (Brazil)

BSN, Nursing, University of Campinas (Brazil)

Selected Publications

Oliveira, M.K.M., Kaizer, U.A.O., Jannuzzi, F.F., Gallani, M.C.B.J., Alexandre, N.M.C., Cornelio, M.E. & São-João, T.M., Rodrigues, R.C.M.R. (2022). Content Validity of a Questionnaire Based on the Theory of Planned Behavior to Assess the Psychosocial Determinants of Insulin Adherence. Value In Health Regional Issues, 29, 76-85. DOI:

Kaizer, U. A. de O., Alexandre, N. M. C., Lima, M. H. de M., Rodrigues, R. C. M., Cornélio, M. E., & São-João, T. M. (2021). Linguistic validation of the Diabetic foot ulcer scale short form (DFS-SF): a methodological approach (DFS-SF). Medicina, 54, 2, e-173045. DOI:

Kadri Filho, F.E., São-João, T.M., Alexandre, N.M.C., de Lucca, S.R., Gallasch, C.H., Rodrigues, R.C.M., Cornélio, M.E. (2021). Musculoskeletal symptoms, psychosocial factors and work ability in Brazilian labor justice workers. Work, 69, 3, 917-926. DOI: 10.3233/WOR-213524. PMID: 34219687.

Silva, M. A. V. da, São-João, T. M., Cornelio, M. E., & Mialhe, F. L. (2020). Effect of implementation intention on walking in people with diabetes: an experimental approach. Revista De Saúde Pública, 54, 103. DOI:

Jannuzzi, FF, Cornélio, ME, São-João, T.M., Gallani, M-C, Godin, G, Rodrigues, RCM. (2020). Psychosocial determinants of adherence to oral antidiabetic medication among people with type 2 diabetes. Journal of Clinical Nursing, 29, 909–921. DOI:

Kaizer, U.A.O.K., Alexandre, N.M.C., Rodrigues, R.C.M., Cornélio, M.E., Lima, M.H.M., São-João, T.M. (2020). Measurement properties and factor analysis of the Diabetic Foot Ulcer Scale-short form (DFS-SF). International Wound Journal, 17, 670– 682. DOI:

Ana Carolina Sauer Liberato, A.C.S., São-João, T.M., Jannuzzi, F.F., Landaas, E.J., Wongchareon, K., Rodrigues, R.C.M. (2020). Treatment Satisfaction Questionnaire for Medication (TSQM version 1.4): Ceiling and Floor Effects, Reliability, and Known-Group Validity in Brazilian Outpatients With Hypertension. Value in Health Regional Issues, 23, 150-156. DOI:

Perin, M., Cornélio, M., Oliveira, H., São-João, T.M., Rhéaume, C., & Gallani, M. (2019). Dietary sources of salt intake in adults and older people: A population-based study in a Brazilian town. Public Health Nutrition, 22, 8, 1388-1397. DOI:10.1017/S1368980018003233

Trevisan, D.D., São-João, T.M., Cornélio, M.E., Jannuzzi, F.F., Sousa, M.R., Rodrigues, R.C.M., Lima, M.H.M. (2020). Effect of an ‘implementation intention’ intervention on adherence to oral anti-diabetic medication in Brazilians with type 2 diabetes. Patient Education and Counseling, 103, 3, 582-588. DOI:

Perin, M.S., Gallani, M.C.B.J., Andrechuk, C.R.S., São-João, T.M., Rhéaume, C. & Cornélio, M.E. (2020). What methods have been used to estimate salt intake? A systematic review. International Journal of Food Sciences and Nutrition, 71, 1, 22-35, DOI: 10.1080/09637486.2019.1620185

Silva, M.A.V., São-João, T.M., Brizon, V.C., Franco, D.H. & Mialhe, FL. (2018). Impact of implementation intentions on physical activity practice in adults: A systematic review and meta-analysis of randomized clinical trials. PLOS ONE, 13, 11, e0206294.

Kaizer, U.A.O.K., Alexandre, N.CM.C., São-João, T.M., Rodrigues, R.C.M.R. (2018). Psychometric Properties of the Freiburg Life Quality Assessment for Wounds Among Burned Patients. Journal of Nursing Measurement, 26, 1, 90-105. DOI: 10.1891/1061-3749.26.1.90

Trevisan, D.D., São-João, T.M., Cornélio, M.E., Jannuzzi, F.F., Sousa, M.R., Rodrigues, R.C.M., Lima, M.H.M. (2017) A randomized controlled trial on the effect of behavioral strategies for adherence to oral antidiabetic drugs: study protocol. Contemporary Nurse, 53,6, 658-668, DOI: 10.1080/10376178.2017.1421862

Lourenço, L.B.A., Rodrigues, R.C.M., Ciol, M.A., São-João, T.M., Cornélio, M.E., Dantas, R.A.S. & Gallani, M-C. (2014) A randomized controlled trial of the effectiveness of planning strategies in the adherence to medication for coronary artery disease. Journal of Advanced Nursing 70, 7, 1616– 1628. doi: 10.1111/jan.12323