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A taxometric analysis of health anxiety
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Journal Article
A taxometric analysis of health anxiety
2009
Overview
A long-standing issue in the health anxiety literature is the extent to which health anxiety is a dimensional or a categorical construct. This study explores this question directly using taxometric procedures.
Seven hundred and eleven working adults completed an index of health anxiety [the Whiteley Index (WI)] and indicated their current health status. Data from those who were currently healthy (n=501) and receiving no medical treatment were examined using three taxometric procedures: mean above minus below a cut (MAMBAC), maximum eigenvalue (MAXEIGEN) and L-mode factor analysis (L-MODE).
Graphical representations (comparing actual to simulated data) and fit indices indicate that health anxiety is more accurately represented as a dimensional rather than a categorical construct.
Health anxiety is better represented as a dimensional construct. Implications for theory development and clinical practice are examined.
Publisher
Cambridge University Press
Subject
/ Adult and adolescent clinical studies
/ Adults
/ Anxiety
/ Anxiety Disorders - classification
/ Anxiety Disorders - psychology
/ Biological and medical sciences
/ Factor Analysis, Statistical
/ Female
/ Health
/ Humans
/ Hypochondriasis - psychology
/ Indexes
/ Male
/ Psychology. Psychoanalysis. Psychiatry
