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Asthma Quality of Life Questionnaire (AQLQ)

Name of questionnaire Asthma Quality of Life Questionnaire (AQLQ) 
Type of questionnaire-description A disease-specific health-related quality of life instrument that taps both physical and emotional impact of disease. The instrument should not be confused with the measure developed by Marks GB and colleagues, which carries the same name.
Number of items 32 items with 2-week recall
Number of domains & categories 4
Name of categories/domains   Symptoms (11 items), Activity Limitation (12 items, 5 of which are individualized), Emotional Function (5 items), and Environmental Exposure (4 items) 
Scaling of items 7-point Likert scale (7 = not impaired at all - 1 = severely impaired). 
Scoring available: with permission or free Scores range 1-7, with higher scores indicating better quality of life.  
Test-retest reproducibility Reported, with high intraclass correlation coefficient (>0.90)
Internal consistency
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Validity
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Minimally important difference a difference in score of 0.5 for overall quality of life and for each of the individual domains (Juniper EF, Guyatt GH, Willan A, Griffith LE. Determining a minimal important change in a disease-specific quality of life questionnaire. J Clin Epidemiol 1994; 47(1): 81-87)
Language Original language: English for North America
Translations in other languages (if yes, then list the languages) Multiple other languages/harmonized versions are available, click here for a complete list
Developer name Elizabeth F. Juniper, MCSP, MSc
Developer contact information Elizabeth F. Juniper, MCSP, MSc; 20 Marcuse Fields; Bosham, West Sussex, PO18 8NA, England; Tel: +44 1243 572124; Fax: +44 1243 573680
Availability of questionnaire: needs permission from developer, cost or freely available ##############
References (original publication) ##############
Limitations -
Link to the questionnaire (if available) Click Here
Other comments AQLQ can be self- or interviewer-administered 
Alternate Versions ##############