Predictive factors of treatment adherence in cancer outpatients
Menée au Brésil auprès de 220 patients atteints d'un cancer et traités en ambulatoire (âge moyen : 55 ans), cette étude analyse les facteurs associés à l'adhésion thérapeutique
Objective: Identify which variables are predictors of treatment adherence in cancer patients. Method: 220 cancer outpatients were evaluated by the following instruments: Questionnaire on sociodemographic and clinical data, NEO-FFI Personality Inventory Revised (NEO-FFI-R), Multidimensional Health Locus of Control (MHLC) Scale, Hospital Anxiety and Depression Scale (HADS), Patient's knowledge about cancer disease questionnaire and Adherence Determinants Questionnaire (ADQ). A Logistic regression analysis was applied to verify the predictive power of the variables and a network analyses were conducted through the qgraph package. Results: the sample was composed by 138 (62.7%) women and 82 (37.3%) men. The mean age of participants was 54.66 (SD=13.30) and the education level mean was 8.32 (DP=3.76) years of study. Powerful others locus of control and the personality factors conscientiousness and agreeableness presented as predictors of high treatment adherence. The variable family cancer history, on the other hand, was a predictor of lower adherence levels. Conclusions: the powerful others LOC may be connected with more trust and dependence in the health team, leading to better adherence. Specific characteristics of personality factors can help individuals to co-operate with their caregivers and to follow medical orders. The evaluated factors are interrelated and should be taken into account by health professionals when developing interventions to modify health related behaviors and treatment adherence.
Psycho-Oncology 2018