Relationship between medication beliefs, self-reported and refill adherence, and symptoms in patients with asthma using inhaled corticosteroids

MNA Van Steenis,1 JA Driesenaar,2 JM Bensing,2,3 R Van Hulten,4 PC Souverein,4 L Van Dijk,2,4 PAGM De Smet,5 AM Van Dulmen2,6,71Department of Pharmaceutical Sciences, Utrecht University, Utrecht, The Netherlands; 2NIVEL (Netherlands institute for health services research), Utrecht, The Netherlands;...

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Main Authors: Van Steenis MNA, Driesenaar JA, Bensing JM, Van Hulten R, Souverein PC, Van Dijk L, De Smet PAGM, Van Dulmen AM
Format: Article
Language:English
Published: Dove Medical Press 2014-01-01
Series:Patient Preference and Adherence
Online Access:http://www.dovepress.com/relationship-between-medication-beliefs-self-reported-and-refill-adher-a15499
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author Van Steenis MNA
Driesenaar JA
Bensing JM
Van Hulten R
Souverein PC
Van Dijk L
De Smet PAGM
Van Dulmen AM
author_facet Van Steenis MNA
Driesenaar JA
Bensing JM
Van Hulten R
Souverein PC
Van Dijk L
De Smet PAGM
Van Dulmen AM
author_sort Van Steenis MNA
collection DOAJ
description MNA Van Steenis,1 JA Driesenaar,2 JM Bensing,2,3 R Van Hulten,4 PC Souverein,4 L Van Dijk,2,4 PAGM De Smet,5 AM Van Dulmen2,6,71Department of Pharmaceutical Sciences, Utrecht University, Utrecht, The Netherlands; 2NIVEL (Netherlands institute for health services research), Utrecht, The Netherlands; 3Department of Psychology, Faculty of Social and Behavioural Sciences, Utrecht University, Utrecht, The Netherlands; 4Division of Pharmacoepidemiology and Clinical Pharmacology, Utrecht University, Utrecht, The Netherlands; 5IQ Healthcare, Radboud University Nijmegen Medical Centre, Nijmegen, The Netherlands; 6Department of Primary and Community Care, Radboud University Nijmegen Medical Centre, Nijmegen, The Netherlands; 7Department of Health Sciences, Buskerud University College, Drammen, NorwayBackground: Beliefs play a crucial role in medication adherence. Interestingly, the relationship between beliefs and adherence varies when different adherence measures are used. How adherence, in turn, is related to asthma symptoms is still unclear. Our aim was to investigate the relationship between beliefs (ie, necessities and concerns) about inhaled corticosteroids (ICS) and subjectively as well as objectively measure adherence and the agreement between these measures. Further, the relationship between adherence and asthma symptoms was examined.Methods: A total of 280 patients aged 18–80 years who filled at least two ICS prescriptions in the preceding year were recruited to complete a questionnaire. The questionnaire included the Beliefs about Medicines Questionnaire to assess necessity beliefs and concerns about ICS, four questions about ICS use to measure self-reported adherence, and the Asthma Control Questionnaire to assess asthma symptoms. Proportion of days covered was used to determine pharmacy refill adherence.Results: Data from 93 patients with asthma were analyzed. Necessities were positively related to self-reported adherence (P = 0.01). No other associations were found between beliefs and subjective or objective adherence. There was no correlation between self-reported and refill adherence. Participants were significantly (P < 0.001) less adherent according to self-report data (24.4%) than according to pharmacy data (57.8%). No relationship was found between adherence and asthma symptoms.Conclusion: Higher necessities are associated with higher self-reported adherence, suggesting that it could be more important to focus on necessities than on concerns in an attempt to improve adherence. Self-reported and refill adherence measurements cannot be used interchangeably. No relationship between adherence and asthma symptoms was found.Keywords: asthma, inhaled corticosteroids, adherence, medication beliefs, asthma symptoms
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spelling doaj.art-1706b90b956543e28c402017c11cd2922022-12-22T03:24:53ZengDove Medical PressPatient Preference and Adherence1177-889X2014-01-012014default839115499Relationship between medication beliefs, self-reported and refill adherence, and symptoms in patients with asthma using inhaled corticosteroidsVan Steenis MNADriesenaar JABensing JMVan Hulten RSouverein PCVan Dijk LDe Smet PAGMVan Dulmen AMMNA Van Steenis,1 JA Driesenaar,2 JM Bensing,2,3 R Van Hulten,4 PC Souverein,4 L Van Dijk,2,4 PAGM De Smet,5 AM Van Dulmen2,6,71Department of Pharmaceutical Sciences, Utrecht University, Utrecht, The Netherlands; 2NIVEL (Netherlands institute for health services research), Utrecht, The Netherlands; 3Department of Psychology, Faculty of Social and Behavioural Sciences, Utrecht University, Utrecht, The Netherlands; 4Division of Pharmacoepidemiology and Clinical Pharmacology, Utrecht University, Utrecht, The Netherlands; 5IQ Healthcare, Radboud University Nijmegen Medical Centre, Nijmegen, The Netherlands; 6Department of Primary and Community Care, Radboud University Nijmegen Medical Centre, Nijmegen, The Netherlands; 7Department of Health Sciences, Buskerud University College, Drammen, NorwayBackground: Beliefs play a crucial role in medication adherence. Interestingly, the relationship between beliefs and adherence varies when different adherence measures are used. How adherence, in turn, is related to asthma symptoms is still unclear. Our aim was to investigate the relationship between beliefs (ie, necessities and concerns) about inhaled corticosteroids (ICS) and subjectively as well as objectively measure adherence and the agreement between these measures. Further, the relationship between adherence and asthma symptoms was examined.Methods: A total of 280 patients aged 18–80 years who filled at least two ICS prescriptions in the preceding year were recruited to complete a questionnaire. The questionnaire included the Beliefs about Medicines Questionnaire to assess necessity beliefs and concerns about ICS, four questions about ICS use to measure self-reported adherence, and the Asthma Control Questionnaire to assess asthma symptoms. Proportion of days covered was used to determine pharmacy refill adherence.Results: Data from 93 patients with asthma were analyzed. Necessities were positively related to self-reported adherence (P = 0.01). No other associations were found between beliefs and subjective or objective adherence. There was no correlation between self-reported and refill adherence. Participants were significantly (P < 0.001) less adherent according to self-report data (24.4%) than according to pharmacy data (57.8%). No relationship was found between adherence and asthma symptoms.Conclusion: Higher necessities are associated with higher self-reported adherence, suggesting that it could be more important to focus on necessities than on concerns in an attempt to improve adherence. Self-reported and refill adherence measurements cannot be used interchangeably. No relationship between adherence and asthma symptoms was found.Keywords: asthma, inhaled corticosteroids, adherence, medication beliefs, asthma symptomshttp://www.dovepress.com/relationship-between-medication-beliefs-self-reported-and-refill-adher-a15499
spellingShingle Van Steenis MNA
Driesenaar JA
Bensing JM
Van Hulten R
Souverein PC
Van Dijk L
De Smet PAGM
Van Dulmen AM
Relationship between medication beliefs, self-reported and refill adherence, and symptoms in patients with asthma using inhaled corticosteroids
Patient Preference and Adherence
title Relationship between medication beliefs, self-reported and refill adherence, and symptoms in patients with asthma using inhaled corticosteroids
title_full Relationship between medication beliefs, self-reported and refill adherence, and symptoms in patients with asthma using inhaled corticosteroids
title_fullStr Relationship between medication beliefs, self-reported and refill adherence, and symptoms in patients with asthma using inhaled corticosteroids
title_full_unstemmed Relationship between medication beliefs, self-reported and refill adherence, and symptoms in patients with asthma using inhaled corticosteroids
title_short Relationship between medication beliefs, self-reported and refill adherence, and symptoms in patients with asthma using inhaled corticosteroids
title_sort relationship between medication beliefs self reported and refill adherence and symptoms in patients with asthma using inhaled corticosteroids
url http://www.dovepress.com/relationship-between-medication-beliefs-self-reported-and-refill-adher-a15499
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