Construct validity of the Information and Decisions in Asthma questionnaire

Archivos de bronconeumología
M Perpiñá TorderaA de Diego Damiá

Abstract

To establish the construct validity of a new scale based on the Information and Decisions in Asthma (IDEA) questionnaire, which was designed to detect an asthmatic's desire to receive information, active seeking out of information and ability to make decisions about his or her disease. The IDEA questionnaire containing 31 items in three subscales: desire for information (DI), seeking out information (SI) and decision making (DM) was answered by 120 asthmatic adults (54 men and 66 women; 86 intrinsic and 44 extrinsic) in stable condition and with varying levels of severity of disease. After interviews to take down medical histories (age of onset, years of evolution, visits to the emergency room within the past year), educational level and economic status, all patients completed a battery of tests assessing the following: quality of life (QL), alexithymia (TAS-20), health opinions (HOS), state-trait anxiety (STAI-E/R), asthma symptoms control (ASC), health locus control (HLC), somatosensory amplification (SAS) and personality (NEO-PI). Although most patients expressed interest in obtaining information, their level of active seeking and decision making were much lower. DI and SI were associated with higher educational levels and e...Continue Reading

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