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Questionnaire development and validity to measure sexual intention among youth in Malaysia

Muhammad NA 1 , Shamsuddin K 2 , Mohd Amin R 3 , Omar K 4 , Thurasamy R 5

Affiliations 

  • 1 Department of Family Medicine, Faculty of Medicine, Universiti Kebangsaan Malaysia, Jalan Yaacob Latiff, 56000, Cheras, Kuala Lumpur, Malaysia. [email protected]
  • 2 Department of Community Health, Faculty of Medicine, Universiti Kebangsaan Malaysia, Jalan Yaacob Latiff, 56000, Cheras, Kuala Lumpur, Malaysia
  • 3 Faculty of Medicine and Health Sciences, Universiti Sultan Zainal Abidin, Medical Campus, Jalan Sultan Mahmud, 20400, Kuala Terengganu, Terengganu, Malaysia
  • 4 Faculty of Medicine and Health Sciences, Universiti Sains Islam Malaysia, Bandar Baru Nilai, 71800, Nilai, Negeri Sembilan, Malaysia
  • 5 School of Management, Universiti Sains Malaysia, 11800, Minden, Pulau Pinang, Malaysia
BMC Public Health, 2017 02 02;17(1):157.
PMID: 28152993 DOI: 10.1186/s12889-016-3949-1

Abstract

BACKGROUND: From the Theory of Planned Behaviour perspective, sexual intention is determined by a permissive attitude, perception of social norms and perceived self-efficacy in performing sexual activity. The aim of this study was to develop and validate the Youth Sexual Intention Questionnaire (YSI-Q), which was designed to measure sexual intention among youths in Malaysia.

METHODS: A total of 25 items were developed based on literature reviews encompassing four main constructs: sexual intention, attitude, social norms and self-efficacy. The YSI-Q then underwent a validation process that included content and face validity, exploratory factor analysis (EFA), reliability analysis, and confirmatory factor analysis (CFA). This study was conducted on unmarried youths aged 18 to 22 years who were studying in colleges around Klang Valley, Malaysia.

RESULTS: EFA supported the four factor structure, but five items were removed due to incorrect placement or low factor loading (<0.60). Internal reliability using Cronbach's alpha ranged between 0.89 and 0.94. The CFA further confirmed the construct, convergent and discriminant validity of the YSI-Q with χ 2 = 392.43, df = 164, p 

* Title and MeSH Headings from MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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