The Effectiveness of Health Education Using Video and Leaflet Media on Improving Knowledge and Attitudes toward HIV/AIDS Prevention among Adolescents at SMA Technical Vocational Railako in 2025
DOI:
https://doi.org/10.62872/o.v2i6.243Keywords:
HIV/AIDS, health education, video, leaflet, knowledge, attitudes, adolescentsAbstract
Adolescents represent a population group that is particularly vulnerable to HIV/AIDS
transmission due to limited knowledge, attitudes, and appropriate preventive
behaviors. Health education using engaging and easily understood media, such as
videos and leaflets, is considered an effective strategy to improve adolescents’
knowledge and attitudes toward HIV/AIDS prevention, especially in school settings.
This study aimed to analyze the effectiveness of health education delivered through
video and leaflet media in improving knowledge and attitudes toward HIV/AIDS
prevention among adolescents at SMA Technical Vocational Railako, Ermera District,
Timor-Leste, in 2025. This study employed a quasi-experimental design with a pretest
posttest control group approach. The study sample consisted of 70 second-grade students
who were divided into two groups: an intervention group receiving video-based education
and a control group receiving leaflet-based education, with 35 respondents in each
group. Data were collected using structured questionnaires to assess levels of knowledge
and attitudes toward HIV/AIDS prevention before and after the intervention. Data
analysis was conducted using univariate and bivariate analyses with the Wilcoxon
Signed Rank Test at a significance level of 0.05. The results showed a significant increase
in knowledge and attitudes toward HIV/AIDS prevention in both groups after the
health education intervention. In the video group, the proportion of respondents with
good knowledge increased from 22.9% to 91.4%, while in the leaflet group it increased
from 17.1% to 60.0%. Preventive attitudes also improved significantly in both groups.
The Wilcoxon test results indicated p-values < 0.05 for all variables, demonstrating that
health education using video and leaflet media had a significant effect on improving
adolescents’ knowledge and attitudes toward HIV/AIDS prevention.
42 Health education using video and leaflet media is effective in improving adolescents’
knowledge and attitudes toward HIV/AIDS prevention. Video-based education
demonstrated higher effectiveness compared to leaflet-based education. Audiovisual
and printed media-based educational interventions are recommended for sustained
implementation in school settings as part of promotive and preventive HIV/AIDS
efforts.
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Copyright (c) 2025 Jenny Palulun, João Paulo Oki, João Bosco, Marcos S. Deo da Silva (Author)
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