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Beliefs and psychosocial determinants of adherence to oral antidiabetic agents

Grant number: 12/05224-1
Support type:Scholarships in Brazil - Doctorate
Effective date (Start): July 01, 2013
Effective date (End): June 24, 2014
Field of knowledge:Health Sciences - Nursing - Medical-Surgical Nursing
Principal researcher:Roberta Cunha Matheus Rodrigues
Grantee:Fernanda Freire Jannuzzi
Home Institution: Faculdade de Ciências Médicas (FCM). Universidade Estadual de Campinas (UNICAMP). Campinas , SP, Brazil
Associated research grant:10/10006-8 - The rehabilitation process and its interfaces with individual quality of life and culture - phase II, AP.TEM


Medication non-adherence among diabetic patients may represent a health risk and have implications for the quality of life. This study aims to identify, based on the Theory of Planned Behavior, beliefs, and psychosocial determinants of adherence to oral antidiabetic agents. The subjects will be patients with type 2 diabetes using oral antidiabetic agents, in outpatient care at a university hospital. This is a longitudinal study comprising of two phases of data collections. First phase: it will be elicited salient beliefs (attitudinal, normative, of control, self-efficacy and perceived risk) related to the use of oral antidiabetic agents, through semi-structured interview technique, which will be recorded, transcribed and submitted to content analyze. Second phase: it will be identified psychosocial factors associated with medication adherence behavior: Intention (Int), Attitude (At), Subjective Norm (SN), Perceived Behavior Control (PBC), Self-efficacy (SE) and Perceived Risk (PR), through the application of an instrument constructed based on the beliefs raised in the first phase and submitted to validity and reliability tests. The medication adherence will be measured by the proportion of adherence and its overall assessment. The data will be submitted to descriptive statistical analysis, reliability testing (internal consistency), correlation between the psychosocial variables (At, SN, PBC, SE, PR and Int) and Behavior; and linear regression to test the capacity of the variables in predicting intention and behavior. (AU)

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
JANNUZZI, FERNANDA F.; CORNELIO, MARILIA E.; SAO-JOAO, THAIS M.; GALLANI, MARIA-CECILIA; GODIN, GASTON; RODRIGUES, ROBERTA C. M. Psychosocial determinants of adherence to oral antidiabetic medication among people with type 2 diabetes. JOURNAL OF CLINICAL NURSING, v. 29, n. 5-6 JAN 2020. Web of Science Citations: 0.
JANNUZZI, FERNANDA FREIRE; MATHEUS RODRIGUES, ROBERTA CUNHA; CORNELIO, MARILIA ESTEVAM; SAO-JOAO, THAIS MOREIRA; BUENO JAYME GALLANI, MARIA CECILIA. Beliefs related to adherence to oral antidiabetic treatment according to the Theory of Planned Behavior. Revista Latino-Americana de Enfermagem, v. 22, n. 4, p. 529-537, JUL-AUG 2014. Web of Science Citations: 8.
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
JANNUZZI, Fernanda Freire. Beliefs and psychosocial determinants factors of adherence to oral. 2014. Doctoral Thesis - Universidade Estadual de Campinas (UNICAMP). Faculdade de Enfermagem Campinas, SP.

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