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KMID : 0387420200310010001
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Korean Society of Oriental Neuropsychiatry
2020 Volume.31 No. 1 p.1 ~ p.12
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A Pilot Study of Evaluating the Reliability and Validity of Pattern Identification Tool for Insomnia and Analyzing Correlation with Psychological Test
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Jung Jin-Hyeong
Lee Ji-Yoon
Kim Ju-Yeon
Kim Si-Yeon
Kang Wee-Chang
Lim Jung-Hwa
Kim Bo-Kyung
Jung In-Chul
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Abstract
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Objectives: The purpose of this study was to evaluate the reliability and validity of the instrument on pattern identification for insomnia (PIT-Insomnia) and verify the correlation between PIT-Insomnia and psychological tests.
Methods: Two evaluators examined the pattern identification of the participants who met insomnia disorder diagnostic criteria of the Diagnostic and Statistical Manual of Mental Disorder, Fifth Edition (DSM-5) and took the Insomnia Severity Index (ISI) score over 15 once manually and twice using the PIT-Insomnia to measure the inter-rater and test-retest reliability. We also conducted the following surveys: the Pittsburgh Sleep Quality Index (PSQI), the Korean version of Beck’s depression inventory (K-BDI), the Korean version of the State-Trait Anxiety Inventory (STAI-K), the Korean Symptom check-list-95 (KSCL-95), and the EuroQol-5 dimension (EQ-5D), to measure concurrent validity and correla-tion between the PTI-Insomnia and psychological tests.
Results: 1. The test-retest reliability analysis of the pattern identification results showed moderate agreement, and test-retest reliability analysis of each pattern identification score showed agreements from poor to moderate. 2. The inter-rater reliability analysis of the pattern identification results via manual showed slight agreement, when analysis was performed with calibration, the inter-rater reli-ability analysis of the pattern identification results via manual showed fair agreement. 3. The con-cordance analysis between results via manual and the PIT-Insomnia showed poor agreement, when the analysis was performed with calibration, concordance analysis showed fair agreement. 4. The con-cordance analysis between the PIT-Insomnia and the PSQI showed positive linear correlation. 5. The concordance analysis between the PIT-Insomnia and the PSQI, K-BDI, STAI-K, KSCL-95, and EQ-5D showed that non-interaction between the heart and kidney have positive linear correlation with the K-BDI, anxiety item of KSCL-95, dual deficiency of the heart-spleen have positive linear correlation with somatization item of KSCL-95, paranoia item of KSCL-95, heart deficiency with timidity have pos-itive linear correlation with stress vulnerability item of KSCL-95, parania item of KSCL-95, phlegm-fire harassing the heart have positive linear correlation with K-BDI, paranoia item of KSCL-95, depressed liver qi transforming into fire have positive linear correlation with the anxiety item of KSCL-95, parania item of KSCL-95, all pattern identification have negative linear correlation with EQ-5D.
Conclusions: The PIT-Insomnia has moderate agreement of reliability and reflects the severity of in-somnia since it has some concurrent validity with the PSQI. There are some correlations between the PTI-Insomnia with specific psychological tests, so we could suggest it can be used appropriately in the clinical situation.
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KEYWORD
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Insomnia disorder, Pattern identifications tool for insomnia, Reliability, Validity, Psychological tests.
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