Psychometric properties of the Mongolian version of shitsu-taikan-sho (alexisomia) in young adults

Author:

Lkhagvasuren Battuvshin123ORCID,Batkhuyag Enkhzaya4,Tumurbaatar Enkhnaran23,Urtnasan Tserendolgor5,Tsengel Delgermaa6,Tumur-Ochir Gantsetseg7,Oka Takakazu1

Affiliation:

1. Department of Psychosomatic Medicine, International University of Health and Welfare Narita Hospital, Narita, Chiba, Japan

2. Brain Science Institute, Mongolian National University of Medical Sciences, Ulaanbaatar, Mongolia

3. Brain and Mind Research Institute, Mongolian Academy of Sciences, Ulaanbaatar, Mongolia

4. Department of Psychology, School of Public Health, Southern Medical University, Guangzhou, Guangdong, China

5. :Department of Psychiatry, Etugen University, Ulaanbaatar, Mongolia

6. Dornogobi Medical School, Mongolian National University of Medical Sciences, Sainshand, Dornogobi, Mongolia

7. Department of Mental Health Surveillance, National Center of Mental Health, Sharkhad, Ulaanbaatar, Mongolia

Abstract

Objective: Alexisomia is characterized by difficulty in identifying and describing bodily feelings. Shitsu-taikan-sho scale (STSS) is a self-report tool that assesses alexisomia. This study aimed to validate the Mongolian version of STSS in a nonclinical student sample. Methods: A total of 593 undergraduate students (217 males, 376 females, 18–25 years), who were studying at medical universities, were recruited. Participants completed the Mongolian version of STSS, which was translated from Japanese to Mongolian, back-translated, and finalized by an expert committee. Construct validity was examined using exploratory and confirmatory factor analyses for a three-factor structure. Internal consistency and test-retest reliability were measured using Cronbach's α and the intraclass correlation coefficients (ICC), respectively. Results: The mean scores of STSS were 18.6 ± 5.7 for difficulty identifying bodily feelings (DIB), 18.8 ± 4.0 for overadaptation (OA), 23.7 ± 4.1 for lack of health management (LHM), and 61.1 ± 10.5 for the total score (possible range: 7–35 for DIB, OA, LHM, and 21–105 for the total score, respectively). Exploratory factor analysis indicated a three-factor structure consisting of 21 items that explained 40.3% of the variance (KMO = 0.916, RMSEA = 0.049, χ 2 = 372, p < .001). Confirmatory factor analysis provided a good fit to the data (CFI = 0.876, TLI = 0.861, RMSEA = 0.068, χ2 = 703, p < .001). Cronbach's alpha for the STSS was 0.860, indicating good internal consistency. Test-retest reliability analysis demonstrated good reliability (ICC = 0.791). Conclusion: The 21-item Mongolian version of STSS demonstrated evidence of good reliability and validity for assessing alexisomia in a nonclinical population in Mongolia. This suggests that the Mongolian version of the STSS may allow for the comparison of alexisomia among adults in Mongolia with those in other countries.

Funder

Mongolian National University of Medical Sciences

Publisher

SAGE Publications

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