Application of the Theory of Planned Behavior on the Factors Affecting Premarital Sex among High School Students in Bantul, Yogyakarta


Galuh Tunjung Pertiwi1), Hanung Prasetya2), Bhisma Murti1)

 

1)Masters Program in Public Health, Universitas Sebelas Maret

2)Faculty of Medicine, Universitas Sebelas Maret

 

ABSTRACT

Background: Adolescent sexual risk taking and its consequences remain a global public health concern. Poor parental monitoring and parent-child coercive interactions were associated having deviant peers, and poor parental monitoring also had a direct rela­tionship to risky sexual behavior. The purpose of this study was to examine factors affecting premarital sex among high school students in Bantul, Yogyakarta, using Theory of Planned Behavior.

Subjects and Method: This was a cross sectional study carried out at 25 senior high schools in Bantul, Yogyakarta, from November to December 2018. A sample of 225 adolescents aged 15-18 years was selected by stratified random sampling. The de­pen­dent variable was premarital sex. The independent variables were intention, subjective norm, perceived behavior control, family intimacy, and peer group. The data were col­lec­ted by questionnaire and analyzed by a multiple logistic regression

Results: Premarital sex increased with intention (b= 2.05; 95% CI= 0.03 to 1.61; p= 0.040), subjective norm (b= 4.69; CI 95%= 1.10 to 2.68; p<0.001), and peer group (b= 4.36; 95% CI= 1.00 to 2.65; p<0.001). Premarital sex decreased with attitude (b=-5.21; 95% CI= -2.96 to -1.34; p<0.001), perceived behavior control (b= -3.32; 95% CI= -2.10 to -0.54; p= 0.001), and family intimacy (b= -2.50; 95% CI= -1.77 to -0.21; p=0.012).

Conclusion: Premarital sex increases with intention, subjective norm, and peer group. Premarital sex decreases with attitude, perceived behavior control, and family inti­macy.

Keywords: premarital sex, adolescent, Theory of Planned Behavior

Correspondence: Galuh Tunjung Pertiwi. Masters Program in Public Health, Universitas SebelasMaret, Surakarta, Jl. Ir. Sutami 36 A, 57126, Surakarta, Central Java. Email: galuhpertiwi2017@gmail.com. Mobile: +6281229722373

DOI: https://doi.org/10.26911/theicph.2019.02.16

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