title: The Mobility Inventory for Agoraphobia Avoidance Alone Scale: Factor Structure and Psychometric Properties of Subscales.
abstract: In this study, we investigated the factor structure of situational fears in agoraphobia by examining four models of the Avoidance Alone items in the Mobility Inventory for Agoraphobia. A main sample of 327 agoraphobic patients and an independent control sample of 64 agoraphobic patients were studied. A confirmatory factor analysis supported a four-factor model including a public places, an enclosed spaces, a public transportation, and an open spaces factor both for pre- and posttreatment data. The convergent and divergent validity of subscales derived from the four factors were supported by an expected pattern of correlations with interview-based measures. These subscales also proved to have satisfactory internal consistencies in the independent sample.
authors.affiliation: 1 Modum Bad Psychiatric Center, Vikersund, Norway.|2 University of Oslo, Oslo, Norway.
authors.forename: Asle
authors.initials: A
authors.lastname: Hoffart
authors.affiliation: 1 Modum Bad Psychiatric Center, Vikersund, Norway.|2 University of Oslo, Oslo, Norway.
authors.forename: Tuva
authors.initials: T
authors.lastname: Øktedalen
authors.affiliation: 1 Modum Bad Psychiatric Center, Vikersund, Norway.
authors.forename: Pål
authors.initials: P
authors.lastname: Ulvenes
authors.affiliation: 1 Modum Bad Psychiatric Center, Vikersund, Norway.|2 University of Oslo, Oslo, Norway.
authors.forename: Sverre Urnes
authors.initials: SU
authors.lastname: Johnson
mesh_terms: D000379:Agoraphobia / Q000523:psychology*; D016022:Case-Control Studies; D005163:Factor Analysis, Statistical; D006801:Humans; D011569:Psychiatric Status Rating Scales; D011594:Psychometrics
keywords: agoraphobia; avoidance; factor structure; psychometric properties