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Research Article

Prevalence and predictors of poor medication adherence among out-patients at a psychiatric hospital in Benin City, Nigeria

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Pages 27-34 | Received 08 Dec 2009, Accepted 16 Aug 2010, Published online: 18 Oct 2010
 

Abstract

Objective. To determine the prevalence and predictors of poor or non-compliance with medications among respondents attending an adult psychiatry out-patient clinic in Benin City, Nigeria. Methods. Respondents (n = 137) were randomly selected over a 3-month period using a cross-sectional study design. They were administered a questionnaire adapting the Factors Influencing Neuroleptic Medication Taking Scale as well as the Brief Psychiatric Rating Scale (BPRS) to ascertain medication, illness-related and psychosocial variables. Medication adherence was determined by self report and for the purpose of the study confined to the week prior to interview. Results. Almost half (42.3%) were poorly adherent to medications. Most admitted to good psychosocial support, but believed that their illness had a spiritual aetiology. Stigma, higher frequency of medication dosing as well as illness severity as measured by their BPRS scores were significant predictors of poor medication adherence. Conclusion. The prevalence of poor medication adherence in this environment is higher than in studies from Western cultures, and replicates rates from previously published reports in this environment. Factors responsible for poor adherence can form the template for intervention studies and programs to improve compliance.

Acknowledgements

None.

Statement of interest

The authors report no conflict of interest at the time this study was carried out.

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