High therapy adherence but substantial limitations to daily activities amongst members of the Dutch inflammatory bowel disease patients' organization: A patient empowerment study

SummaryBackground Adherence is important for successful treatment in inflammatory bowel disease (IBD) patients. Previous studies demonstrated high prevalence of non-adherence. Aim To assess IBD-patients' perceptions of therapy adherence and disease-related functional status in members of the Dutch patients' association of Crohn's disease and ulcerative colitis (CCUVN). Methods Inflammatory bowel disease-patients completed anonymously a survey at the website of the CCUVN. Statistical analysis was performed using principal component analysis, univariate and multivariate logistic regression. Results The questionnaire was completed by 1067 patients [617 (58%) Crohn's disease (CD) and 450 (42%) ulcerative colitis (UC)]. Mean age was 43 years (s.d. 13.7); women (66%). Of 920 patients currently using medication, 797 (87%) were adherent. Of the patients using 5-ASA, 91% were adherent (527/582), vs. 96% using corticosteroids (316/330) and 97% (414/425) using immunosuppressives. CD patients (OR 1.54; 95% CI 1.05-2.27), patients with duration of disease ≤8 years (OR 2.25; 95% CI 1.49-3.39) were more adherent. Fifty percent of patients reported a low functional status and were limited in daily activities. Conclusion This population-based study shows high therapy adherence, but low functional status in Dutch CCUVN-related IBD-patients. The high adherence rate in this present study could be an effect of CCUVN membership.

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