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The development of a cognitive scale for functional bowel disorders
B B Toner1, N Stuckless, A Ali
1Women's Mental Health Research Programme, Clarke Institute of Psychiatry, Toronto, Ontario, Canada.
Psychosomatic Medicine
|August 26, 1998
Summary
A new Cognitive Scale for Functional Bowel Disorders (FBD) was developed and validated. This reliable instrument accurately assesses cognitions in FBD patients, aiding in treatment and understanding.
Area of Science:
- Psychiatry
- Gastroenterology
- Psychometrics
Background:
- Psychosocial factors significantly impact Functional Bowel Disorders (FBD).
- Existing psychosocial measures lack validation for the FBD population.
- International recommendations highlight the need for FBD-specific psychosocial instruments.
Purpose of the Study:
- To develop a reliable and valid instrument for assessing cognitions in FBD patients.
- To enhance understanding and treatment of FBD through a targeted cognitive assessment tool.
Main Methods:
- Generated 204 items from patient thought diaries.
- Refined items with international FBD expert consultation.
- Administered a 95-item scale and validating questionnaires to 75 FBD patients.
Main Results:
- The final 25-item scale demonstrated high reliability (Cronbach's alpha = .93).
- High concurrent validity (r = .71) with life interference due to bowel symptoms.
- Acceptable convergent validity (r = .38) with the Dysfunctional Attitudes Scale.
Conclusions:
- The Cognitive Scale for Functional Bowel Disorders is a valid and reliable assessment tool.
- The scale can serve as an outcome measure for psychotherapeutic interventions in FBD.
- It is a valuable assessment tool for healthcare professionals treating FBD patients.