• Juana Perpiñá-Galvañ, Miguel Richart-Martínez, and María José Cabañero-Martínez.
• Departamento de Enfermería, Universidad de Alicante, Alicante, Spain. juana.perpina@ua.es
• Arch. Bronconeumol. 2011 Apr 1; 47 (4): 184-9.

BackgroundThere is comorbidity between respiratory disease and anxiety. In order to measure the anxiety of hospitalized patients it is necessary to use reliable and valid, and preferably short questionnaires.ObjectiveTo analyze the reliability and validity of a shortened version of the state subscale of the “State-Trait Anxiety Inventory (STAI)” in respiratory patients.Patients And MethodsA total of 103 respiratory patients admitted to the respiratory ward between February of 2009 and February of 2010 were non-consecutively selected. They answered two questionnaires: the Spanish version of the STAI-state and a short version consisting of 7 items. Sociodemographic and clinical variables of the patients were also obtained. The internal consistency, and convergent and construct validity of the short scale were analyzed.ResultsThe short scale did not have floor/ceiling effect, the α-Cronbach was acceptable (0.89), and correlated positively (r = 0.90; P = .01) and also maintained the factorial structure of the original scale (half anxiety-present items and half anxiety-absent items).ConclusionsThe short version of the state subscale of the STAI has showed good metric properties in hospitalized respiratory patients.Copyright © 2010 SEPAR. Published by Elsevier Espana. All rights reserved.

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