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Predictors of quality of life in ulcerative colitis: the importance of symptoms and illness representations.

Abstract：

BACKGROUND:Establishing predictors of quality of life (QoL) in individuals with inflammatory bowel disease could help to identify those patients who are most likely to experience poor QoL and to target therapeutic interventions appropriately. We aimed to investigate how disease-specific QoL depends on demographic, diseaserelated, and physiological markers of disease activity, cognitive representations of illness, and perceived general health status. METHODS:A total of 111 individuals completed the Inflammatory Bowel Disease Questionnaire (IBDQ), the Medical Outcomes Study 36-Item Short-Form Health Survey (SF-36), and the Illness Perception Questionnaire (IPQ). The extent of disease was determined from records, and disease activity was determined by a symptom index. Bivariate analyses and multivariate regression models were used to identify predictors of disease-specific QoL. RESULTS:Bivariate analyses showed that symptom-related disease activity, elements of illness representation measured by the IPQ, and elements of physical and mental health measured by the SF-36 were the only variables that were strongly or moderately correlated with disease-specific QoL. Multivariate regression modeling showed that disease activity was the major explanatory variable for each of the 4 domains and for the total score on the IBDQ. CONCLUSION:This study highlights the strong relationship between individuals' symptoms and all domains of their health-related QoL, but shows little association with age, gender, physiological markers of disease activity, or anatomic disease extent. Perceptions of the condition were relatively weak predictors of self-reported QoL. The best strategy for improving QoL among individuals with ulcerative colitis may be to find ways to reduce their symptoms.

journal_name

Inflamm Bowel Dis

journal_title

Inflammatory bowel diseases

authors

Han SW,McColl E,Barton JR,James P,Steen IN,Welfare MR

doi

10.1097/00054725-200501000-00004

keywords:

subject

Has Abstract

pub_date

2005-01-01 00:00:00

pages

24-34

issue

eissn

1078-0998

issn

1536-4844

pii

00054725-200501000-00004

journal_volume

pub_type

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Predictors of quality of life in ulcerative colitis: the importance of symptoms and illness representations.