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CME/MOC

Sleep Related Questionnaires

Asthma Symptom Utility Index (ASUI)

Name of questionnaire Asthma Symptom Utility Index (ASUI)
Type of questionnaire-description A brief, interviewer-administered, patient preference-based scale assessing frequency and severity of selected asthma-related symptoms and treatment side effects, for use in clinical trials and cost-effectiveness studies in asthma.
Number of items 11 items, with 2-week recall 
Number of domains & categories Items not separated in specific domains, assesses four symptoms (cough, wheeze, shortness of breath, and awakening at night) and medication side-effects each on two dimensions (frequency and severity).
Name of categories/domains   as above 
Scaling of items 4-point Likert scale to assess frequency (not at all, 1 to 3 days, 4 to 7 days, and 8 to 14 days)  and severity (not applicable, mild, moderate and severe) 
Scoring available: with permission or free Scores range from 0 (worst possible symptoms) to 1 (no symptoms)  
Test-retest reproducibility Yes, intraclass correlation coefficient was 0.74 
Internal consistency Yes
Validity Yes, compared with indicators of disease severity (medical history instrument, lung function, physician severity rating scale and   Juniper asthma disease severity scale); -generic health utility (HUI Mark 2); and Asthma Quality of Life Questionnaire 
Minimally important difference Not reported 
Language English (US)
Translations in other languages (if yes, then list the languages) Italian, French 
Developer name Dennis A. Revicki, PhD; Nancy Kline Leidy, PhD; Fiona Brennan-Diemer, BA; Sonja Sorensen, MPH; and Alkis Togias, MD
Developer contact information Dennis Revicki, PhD,
Center for Health Outcomes Research
MEDTAP International, Inc
7101 Wisconsin Ave, Suite 600
Bethesda, MD 20814,
e-mail: Revicki@Medtap.com
Availability of questionnaire: needs permission from developer, cost or freely available Inquire with the author for permission to use this instrument 
References (original publication) Revicki DA, Leidy NK, Brennan-Diemer F; Sorensen S and Togias, AM.  Integrating Patient Preferences Into Health Outcomes Assessment: The Multiattribute Asthma Symptom Utility Index. Chest 1998; 114; 998-1007.          
Limitations -
Link to the questionnaire (if available) NA