Published online by Cambridge University Press: 16 April 2020
Previous studies showed associations of stress and episodes of active disease [1,2]. We reported survey data on psychosocial problems of IBD patients [3]. This study investigates associations of stress with health impairments and analyses a scale of perceived stress as an indicator for psychosocial impairments (construct/criterion validity) [4].
In a multiregional German survey in 2005, 1083 patients with Crohn's disease (CD) and ulcerative colitis were recruited (gastroenterological practices, university outpatient clinics, patient organization). The questionnaire incorporated WHO's ICF [5] and established items and scales (i.a. HADS [6]). Scale construction followed item response theory analysing psychometric properties.
Of the survey responders (58% CD, 65% female, mean age 42yrs), ⅓ reported severe fatigue. Clinically relevant anxiety was observed in 24%, depression in 29% of men and 21% of women. With three items we constructed a scale with good psychometric properties. Three groups (low, moderate, high perceived stress) were identified, differing substantially in reported anxiety/depression and the GIBDI disease activity score.
IBD patients report multiple psychosocial impairments. The scale of perceived stress may identify IBD patients with high demand for psychosocial attendance, if confirmed in independent samples. For enhanced secondary prevention [7] we propose integration of this psychosocial indicator into the diagnostic process.
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