Measurement Invariance of the Sexual Orientation Microaggression Inventory across LGB Males and Females in Taiwan: Bifactor Structure Fits the Best

Meng-Tsang Hsieh, Jung-Sheng Chen, Chung-Ying Lin, Cheng-Fang Yen, Mark D. Griffiths and Yu-Te Huang
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Meng-Tsang Hsieh: Stroke Center and Department of Neurology, E-Da Hospital, Kaohsiung 82445, Taiwan
Jung-Sheng Chen: Department of Medical Research, E-Da Hospital, Kaohsiung 82445, Taiwan
Chung-Ying Lin: Institute of Allied Health Sciences, College of Medicine, National Cheng Kung University, Tainan 70101, Taiwan
Cheng-Fang Yen: Department of Psychiatry, School of Medicine College of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
Mark D. Griffiths: International Gaming Research Unit, Psychology Department, Nottingham Trent University, Nottingham NG1 4FQ, UK
Yu-Te Huang: Department of Social Work and Social Administration, The University of Hong Kong, Hong Kong RM543, China

IJERPH, 2021, vol. 18, issue 20, 1-12

Abstract: The present study examined the factor structure and concurrent validity of the traditional Chinese version of the Sexual Orientation Microaggression Inventory (SOMI) among lesbian, gay, and bisexual (LGB) individuals in Taiwan. In total, 1000 self-identified LGB individuals completed the SOMI, HIV and Homosexuality Related Stigma Scale (HHRSS), and Acceptance and Action Questionnaire-II (AAQ). Different factor structures (including one-factor, four-factor, bifactor, and higher-order factor structures) were evaluated using confirmatory factor analysis. The bifactor structure significantly outperformed all others on the SOMI. The bifactor structure with one general factor and four trait factors was found to be measurement invariant across biological sex with satisfactory fit indices. The SOMI general factor was significantly associated with HHRSS-Homosexuality score and AAQ score. The findings indicate that the SOMI is a psychometrically sound instrument for Taiwan sexual minority groups. More specifically, SOMI can be used to accurately assess microaggression among LGB individuals. The measure on microaggression may also provide insights for healthcare providers about LGB individuals’ sexuality-related stigma. Moreover, healthcare providers and relevant stakeholders can use the SOMI to understand how LGB individuals perceive and feel microaggression.

Keywords: factor analysis; microaggression; sexual orientation; lesbian; gay; bisexual; mental health; Taiwan (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (7)

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