Development and psychometric validation of the Sexual Health Literacy Measurement Tool for Undergraduate Students (SHL-US) in Thailand

Natnapa Heebkaew Padchasuwan, Jintapa Benchamas, Pokkamol Laoraksawong, Nopparat Senahad, Pannee Banchonhattakit and Surachai Phimha

PLOS ONE, 2026, vol. 21, issue 10, 1-15

Abstract: Background: Sexual health literacy refers to an individual’s capacity and proficiency in managing sexual health. Currently, there are limited instruments available to assess sexual health literacy among undergraduate students, particularly in Thailand. Thus, the current study aimed to develop and psychometrically validate the sexual health literacy measurement tool for undergraduate students (SHL-US) in Thailand. Methods: The study involved 1,235 undergraduate students from public and private universities in Thailand. A multi-stage probability sampling design was used, with simple random selection of institutions (one public and one private university per region, across four regions), faculties, and classrooms, followed by complete enumeration of eligible, consenting students within the selected classrooms. A pilot test (n = 50) and exploratory factor analysis (n = 300) preceded the confirmatory sample (n = 1,235). Thirteen experts examined the content validity. The quality of the instrument was tested by examining its psychometric properties using exploratory and confirmatory factor analyses. Results: Forty-nine items entered the EFA; 47 were retained (4 factors, 53.17% variance explained). CFA removed two more low-loading items (

Date: 2026
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0359881

DOI: 10.1371/journal.pone.0359881

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