Clinical Report: Assessment of the Validity and Reliability of the AIS-8
Overview
The Athens Insomnia Scale-8 (AIS-8) demonstrated acceptable reliability and validity in a sample of Chinese psychiatric inpatients. This study provides preliminary support for the use of AIS-8 in clinical insomnia assessment within this population.
Background
Insomnia is a prevalent public health issue that significantly impacts mental health, often co-occurring with conditions like anxiety and depression. Accurate assessment tools are essential for effective diagnosis and treatment. The AIS-8, a validated self-administered instrument, aims to quantify insomnia severity, yet its psychometric properties in specific populations, such as psychiatric inpatients, require further validation.
Data Highlights
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Key Findings
The AIS-8 revealed a two-factor model structure: 'nighttime sleep problems' and 'daytime dysfunction'.
Item 'daytime sleepiness' had low factor loadings but was essential for model fit.
Strict measurement invariance was confirmed for gender; weak invariance for age, marital status, and occupation.
Significant positive correlations were found between AIS-8 scores and both PHQ-9 and GAD-7.
The study included 519 psychiatric inpatients, with 411 completing the analysis after exclusions.
Clinical Implications
The findings support the use of the AIS-8 as a reliable tool for assessing insomnia in Chinese psychiatric settings. Clinicians should consider integrating the AIS-8 into their assessment protocols to enhance the accuracy of insomnia evaluations.
Conclusion
The AIS-8 shows promise as a valid and reliable instrument for insomnia assessment among Chinese psychiatric inpatients, addressing a critical gap in cross-cultural validation efforts.
