Predictive validity of the Sidorkiewicz instrument in Spanish: Assessing individual drug adherence in psychiatric patients

Translated title of the contribution: Predictive validity of the Sidorkiewicz instrument in Spanish: Assessing individual drug adherence in psychiatric patients

Carlos De las Cuevas, Wenceslao Peñate, José Manuel García de Cecilia, Jose de Leon

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

Background/Objective: Concomitant prescription of two or more psychiatric medications has become the rule and patients could adhere differently to their various drugs prescribed. Sidorkiewicz et al. published a questionnaire for assessing adherence to each specific drug. Method: This study explored the predictive validity of the Spanish version of the Sidorkiewicz questionnaire in a sample of 470 consecutive psychiatric outpatients using 897 psychiatric drugs. Results: The questionnaire showed adequate predictive validity in both univariate and multivariate analyses (logistic regression and CHAID segmentation) since they demonstrated a significant association with the 10-item Drug Attitude Inventory and with the Necessity and Concern Scales of the Beliefs about Medications Questionnaire. Some demographic and clinical variables were significant in the univariate analyses but lost significance in the multivariate analyses. Conclusions: The adherence of the psychiatric patient to his/her prescribed treatment may not be significantly influenced by socio-demographic or clinical characteristics, but rather by attitudes toward medication, perceptions of personal necessity for medication, and concerns about its potential adverse effects. This study's findings suggest that the Spanish version of the Sidorkiewicz questionnaire may be a useful and valid instrument for assessing adherence to each individual drug taken by psychiatric outpatients undergoing polypsychopharmacy.

Translated title of the contributionPredictive validity of the Sidorkiewicz instrument in Spanish: Assessing individual drug adherence in psychiatric patients
Original languageEnglish
Pages (from-to)133-142
Number of pages10
JournalInternational Journal of Clinical and Health Psychology
Volume18
Issue number2
DOIs
StatePublished - May 1 2018

Bibliographical note

Publisher Copyright:
© 2017 Asociación Española de Psicología Conductual

Keywords

  • Drug therapy
  • Instrumental study
  • Medication adherence
  • Mental disorders
  • Psychiatric outpatients

ASJC Scopus subject areas

  • Clinical Psychology

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