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The Development and Validation of The
Arabic Scale of Insomnia (ASI)
Ahmed M. Abdel-Khalek, Ph.D.
Study Objectives: To assess the psychometric parameters of the Arabic Scale of
Insomnia (ASI), and to report its descriptive statistics and gender differences.
Methods: Kuwaiti, non-clinical secondary school students (N=5,044), college students
(N=2,210) and employees (N = 1,247) were recruited. The ASI has 12 items. Each
statement is answered on a 5-point intensity scale, during the most recent month.
Results: Test-retest reliability ranged from 0.70 to 0.83, and the alpha ranged
between 0.84 and 0.87, denoting good temporal stability and internal consistency.
Criterion-related validity (2 criteria) ranged from 0.57 to 0.94, and the loadings of the
ASI onto a general factor of insomnia ranged from 0.92 to 0.95, indicating good
convergent and factorial validity. Two factors of the ASI were disclosed: Consequences
of Insomnia, and Difficulty in Initiating and Maintaining Sleep. Women had a
significantly higher total mean score than that of their male counterparts. Male
employees had a lower mean score than adolescents and college students.
Conclusions: The ASI has good reliability and validity. Because of its brevity, it may be
recommended for use in research in the prevalence of insomnia.
Keywords: The Arabic Scale of Insomnia (ASI), reliability, validity, adolescents, college
students, adults, Kuwait. |
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