Sleep Related Questionnaires

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Sleep Apnea Quality of Life Index SAQLI

Name of questionnaire Sleep Apnea Quality of Life Index SAQLI
Type of questionnaire-description,age/population Disease specific QOL in adults
Number of items 35
Number of domains & categories 4+1 4 +1capturing the potentially negative quality of life impact of treatment side-effects
Name of categories/domains   Daily functioning, social interactions, emotional functioning, and symptoms. negative quality of life impact of treatment side-effects
Scaling of items 7 point scale: "all the time" to "not at all"
Scoring available: with permission or free With permission
Scoring test-retest reliability Yes
Scoring Internal consistency Yes Cronbach’s alpha = 0.88 to 0.92
Validity

Yes, correlations between SAQLI and SF-36 vitality domain: content validity, face validity and construct validity.

Validation of SAQLI also performed in Persian-speaking patients with obstructive sleep apnea.
Available forms (short and/or long etc.) NA
Language English
Translations in other languages (if yes, then list the languages) Spanish and Persian
Developer name Flemons WW, MD
Developer contact information

W.W.Flemons/M.A. Reimer University of  Calgary Calgary AB Canada T2N 4N1;   Tel: 403 (403) 220-8583 Fax: (403)494–503. 283-4730 Calgary AB, T2N 4N1Email: flemons@ucalgary.ca; mareimer@ucalgary.ca

Availability of questionnaire: needs permission from developer, cost or freely available Permission required
Limitations -
Link to the questionnaire (if available) Original publication
Other comments Reports prior 4 weeks 
Patient populations in who questionnaire has been validated -
References (including original publication, validity and reliability in different countries/languages, populations and long/short versions)
  1. Flemons WW, Reimer MA. Development of a disease-specific health-related quality of life questionnaire for sleep apnea. Am J Respir Crit Care Med. 1998 Aug;158(2):494-503.
  2. Flemons WW, Reimer MA.  Measurement properties of the Calgary sleep apnea quality of life index. Am J Respir Crit Care Med. 2002 Jan 15;165(2):159-64.
  3. Siccoli MM, Pepperell JC, Kohler M, Craig SE, Davies RJ, Stradling JR. Effects of continuous positive airway pressure on quality of life in patients with moderate to severe obstructive sleep apnea: data from a randomized controlled trial.Sleep. 2008 Nov;31(11):1551-8.
  4. Catalán PMartínez A, Herrejón A, Martínez-García MÁ, Soler-Cataluña JJ, Román-Sánchez P, Pinel J, Blanquer R.Internal consistency and validity of the Spanish version of the quality of life questionnaire specific for obstructive sleep apnea: sleep apnea quality of life index. Arch Bronconeumol. 2012 Dec;48(12):431-42. doi: 10.1016/j.arbres.2012.05.004. Epub 2012
  5. Rahavi-Ezabadi S1, Amali A2, Sadeghniiat-Haghighi K3, Montazeri A4, Nedjat S5. Translation, cultural adaptation, and validation of the Sleep Apnea Quality of Life Index (SAQLI) in Persian-speaking patients with obstructive sleep apnea. Sleep Breath. 2016 May;20(2):523-8. doi: 10.1007/s11325-015-1228-5. Epub 2015 Jul 21.
Updated by Fareeha Hafeez MD
The last date of update December 2016
Last Reviewed: January 2017