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Contagion: Scientific Periodical Journal of Public Health and Coastal Health
Published by Universitas Islam Negeri Sumatera Utara
ISSN : -     EISSN : 26850389     DOI : 10.30829/contagion
Core Subject : Health,
Health Professions Public Health
Contagion: Scientific Periodical Journal of Public Health and Coastal Health, A Scientific Periodic Journal of Public Health published by the Public health Study Program of The Faculty of Public Health UINSU Medan. This Journal prioritiez the collaboration of lecturers and students with scope of the discussion is about Public Health, Health and Islam, and Coastal Health. This Journal is published twice, published on June and December.
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Articles 569 Documents
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Web-Based Learning About COVID-19 Vaccination for Improved Knowledge and Perception Among Community Health Workers Fauzan Alfikrie; Uti Rusdian Hidayat; Ali Akbar; Defa Arisandi; Nurpratiwi Nurpratiwi; Debby Hatmalyakin; Mimi Amaludin
Contagion: Scientific Periodical Journal of Public Health and Coastal Health Vol 8, No 2 (2026): Contagion
Publisher : Universitas Islam Negeri Sumatera Utara, Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30829/contagion.v8i2.27225

Abstract

CHWs play a crucial role in assisting health workers to empower communities and promote health through vaccination. However, they still have limited knowledge and perceptions in supporting the COVID-19 vaccination program. Several educational methods have been used, most of which are based on conventional approaches, and evidence regarding the effectiveness of web-based learning for CHWs is still limited. This study aimed to assess changes in CHWs’ knowledge and perceptions about COVID-19 immunization before and after an intervention and to determine the effect of group (intervention and control) and time on these changes. Linear Mixed Model (LMM) analysis was used to evaluate longitudinal changes in knowledge and perception scores. Group and time variables were included in the model as covariates to assess their influence on score changes. A total of 44 CHWs in Pontianak City were divided into an intervention group (n=22) and a control group (n=22). Results showed a significant increase in knowledge and perception scores after the intervention. Knowledge scores increased significantly from pre-test to post-test (p<0.001), with a higher average in the intervention group than in the control group. The perception score also showed a significant increase, with a p-value of less than 0.001. LMM analysis showed that the average change in knowledge scores (β = 4.04, p < 0.001) and perception (β = 6.77, p < 0.001) was higher in the intervention group than in the control group. Furthermore, time had a significant effect on changes in knowledge scores (β = −2.41, p < 0.001) and perception (β = −4.77, p < 0.001). The interaction between group and time was also significant for knowledge (β = −3.55, p < 0.001) and perception (β = −5.59, p < 0.001). Web-based learning was effective in CHWs’ knowledge and perceptions regarding COVID-19 immunization, with changes influenced by group and time factors. Keywords: Web-Based Learning, Knowledge, Perception, COVID-19 Vaccination, Community Health Workers (CHWs)
Effectiveness of the Time Rushing Game Method in Enhancing Knowledge, Skills, and Self-Efficacy in Health-Oriented Disaster Response Simulations Uti Rusdian Hidayat; Defa Arisandi; Debby Hatmalyakin; Ali Akbar; Fauzan Alfikrie; Nurpratiwi Nurpratiwi; Mimi Amaludin; Ihsan Angga Anjarwadi; Nurannisa Nurannisa; Andi Subandi
Contagion: Scientific Periodical Journal of Public Health and Coastal Health Vol 8, No 2 (2026): Contagion
Publisher : Universitas Islam Negeri Sumatera Utara, Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30829/contagion.v8i2.28435

Abstract

This study aimed to evaluate the effectiveness of the time-rushing game method in enhancing knowledge, skills, and self-efficacy in health-oriented disaster response simulations. A quasi-experimental one-group pretest-posttest design study was conducted with 114 nursing students. The Time Rushing Game measured knowledge, skills, and self-efficacy in conducting disaster-response simulations. The Time Rushing Game intervention consisted of triage, evacuation, and initial assessment procedures, each with a 10-minute time limit. After receiving the intervention or playing the disaster simulation, knowledge, skills, and self-efficacy were measured again. Knowledge and self-efficacy were measured using a questionnaire. Skills are measured using an observation sheet. There was a significant improvement in knowledge (p=0.000), skills (p=0.000), and self-efficacy (p=0.000) after the intervention using the Time Rushing Game learning method. The number of respondents who experienced an increase was 77 for knowledge and 106 for both skills and self-efficacy. Meanwhile, 37 respondents showed no change in knowledge, and 8 respondents each showed no change in skills and self-efficacy. The Time Rushing Game effectively enhanced students' knowledge, skills, and self-efficacy in health-oriented disaster response simulations. This learning method should be implemented not only in health-oriented disaster response simulations but also in other case-study-based simulations Keywords: Time Rushing Game, Knowledge, Skills, Self-Efficacy, Disaster Preparedness
The Impact of Health Education Using Audio-Visual Media on the Family's Role in LBW Care at Mutia Sari Hospital, Duri, Riau Helfrida Situmorang; Sri Dewi Br Siregar; Nopita Yanti Sitorus
Contagion: Scientific Periodical Journal of Public Health and Coastal Health Vol 8, No 2 (2026): Contagion
Publisher : Universitas Islam Negeri Sumatera Utara, Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30829/contagion.v8i2.28572

Abstract

Low birth weight (LBW) is a major neonatal health concern that places considerable demands on families, who often lack adequate knowledge and skills to care for their infants. Health education through audiovisual media offers a concrete and engaging means of strengthening the family's caregiving role. This study aimed to determine the effect of health education using audiovisual media on the family's role in caring for LBW infants at Mutia Sari Hospital, Duri, Riau. A quantitative quasi-experimental design with a one-group pretest–posttest approach was employed. The population comprised all families of LBW patients at the hospital, and 30 respondents were selected through total sampling. Data on the family's role were collected using a validated questionnaire and analyzed using the Wilcoxon signed-rank test. Before the intervention, the family's role was predominantly in the poor category (50.0%), whereas after the intervention, the majority shifted to the adequate category (46.7%), with the good category rising to 36.7% and the poor category declining to 16.7%. The Wilcoxon signed-rank test yielded Z = −3.272 with a p-value of 0.001 (p < 0.05), indicating a statistically significant difference in the family's role before and after the intervention. It is therefore concluded that health education using audiovisual media significantly improved the family's role in LBW care, and it is recommended that nurses integrate this approach into routine maternal and neonatal care Keywords: Health education, Audiovisual media, Family role, Low birth weight, Neonatal care
Exploring Adolescent Ideas for Designing Reproductive Health Interventions to Prevent Early Marriage and Adolescent Pregnancy Adelina Fitri; Vinna Rahayu Ningsih; Marta Butar Butar; Erny Kusdiah; Ashar Nuzulul Putra; La Ode Reskiaddin
Contagion: Scientific Periodical Journal of Public Health and Coastal Health Vol 8, No 2 (2026): Contagion
Publisher : Universitas Islam Negeri Sumatera Utara, Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30829/contagion.v8i2.28699

Abstract

Adolescence is a transitional phase filled with challenges, characterized by social development, attraction to the opposite sex, and vulnerability to risky behaviors. Adolescent pregnancy and early marriage remain global issues, including in Indonesia. Contributing factors include poverty, low levels of education, and inherited cultural practices. These lead to serious consequences such as school dropout, limited educational opportunities, and reduced quality of life, hindering the achievement of Indonesia Emas 2045. This study aims to explore adolescents’ ideas and perspectives regarding existing policies and to design potential interventions. This research employed a qualitative, interpretative approach. The study involved 24 undergraduate students from the Public Health Study Program, Universitas Jambi. Data were collected through Focus Group Discussions (FGDs) and in-depth interviews, analyzed using data reduction, and conclusion drawing. The research findings identified a significant knowledge gap regarding the availability of adolescent-specific reproductive health services (RHS) at universities and health facilities. Although most informants had adequate knowledge about adolescent pregnancy, many were not sufficiently aware of reproductive health services or counseling specifically targeting them. Informants also reported relatively good communication with their parents, particularly with mothers, while community figures were identified as playing important roles. Young people expect the availability of adolescent-focused health services, more effective communication with parents, especially greater involvement of fathers, and forums bringing together community leaders and adolescents to strengthen preventive efforts.
The Relationship Between Exclusive Breastfeeding and Speech Delay in Toddlers in Coastal Areas Ellyani Abadi; Haswindah Arifin; Siti Hadrayanti Ananda
Contagion: Scientific Periodical Journal of Public Health and Coastal Health Vol 8, No 2 (2026): Contagion
Publisher : Universitas Islam Negeri Sumatera Utara, Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30829/contagion.v8i2.27834

Abstract

Speech delay in early childhood is a serious problem that affects communication and cognitive development. Exclusive breastfeeding may be related to children’s speech development. The purpose of this study was to determine the relationship between exclusive breastfeeding and speech delay in toddlers in the coastal area of the Lansilowo Community Health Center. This was a quantitative, cross-sectional study. The sample consisted of 62 toddlers aged 24-59 months in the working area of the Lansilowo Health Center in Konawe Kepulauan Regency in June 23-September 9, 2025. The sampling technique used was proportionate stratified random sampling. Data on speech delay were assessed using the Denver II instrument, which is a validated and reliable questionnaire, and analyzed using Fisher’s exact test. The results showed that of the 2 toddlers who were exclusively breastfed, 100% did not have speech delays. Furthermore, of the 60 toddlers who were not exclusively breastfed, the majority had speech delays (93.3%). The Fisher’s exact test yielded a p-value of 0.008. The study concludes that an exclusive breastfeeding history was associated with speech delay among toddlers, and there is a relationship between exclusive breastfeeding and speech delay in toddlers Keywords: Child Development, Coastal Areas, Exclusive Breastfeeding, Speech Delay, Toddlers
Insufficient Fluid Intake during Fishing as a Determinant of Hypertension among Traditional Fishermen in Coastal Soropia Cholik Harun Rosjidi; Siti Umrana; Risnawati Risnawati; Herman Herman
Contagion: Scientific Periodical Journal of Public Health and Coastal Health Vol 8, No 2 (2026): Contagion
Publisher : Universitas Islam Negeri Sumatera Utara, Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30829/contagion.v8i2.28631

Abstract

Hypertension is a major public health problem and an important risk factor for cardiovascular disease, particularly among informal workers such as traditional fishers who are exposed to harsh working conditions and limited healthy lifestyle choices. Coastal fishers generally work in hot environments, spend long fishing hours, smoke, and have limited access to safe drinking water during fishing activities. This study aims to analyze the association between sociodemographic characteristics, behavioral factors, and drinking patterns during fishing activities with hypertension among traditional fishers. A cross-sectional analytical study was conducted among 168 fishers in Soropia Regency, Southeast Sulawesi, Indonesia, recruited using proportional random sampling. Univariate analysis showed a high prevalence of hypertension (50.6%), with smoking behaviors and inadequate drinking patterns during fishing being the dominant factors. Bivariate analysis showed that age ≥50 years (p=0.030; OR=2.30; 95% CI: 1.08–5.04), education level (p=0.025; OR=2.04; 95% CI: 1.09–3.83), smoking behavior (p=0.001; OR=3.62; 95% CI: 1.60–8.08), and inadequate drinking pattern (p=0.003; OR=2.60; 95% CI: 1.38–4.92) were significantly associated with hypertension. Multivariate analysis confirmed that education (p=0.040; OR=2.177; 95% CI: 1.034–4.584), smoking (p=0.005; OR=3.667; 95% CI: 1.476–9.111), age ≥50 years (p=0.019; OR=2.903; 95% CI: 1.196–7.046), and inadequate drinking pattern during fishing activities (p=0.001; OR=3.350; 95% CI: 1.628–6.892) remained the dominant factors associated with hypertension. These findings call for structured, community-based preventive interventions in coastal fishing populations that are explicitly calibrated to the magnitude of the identified risks: smoking cessation programs are prioritized given the 3.7-fold increased risk among smokers (OR=3.667), while mandatory hydration protocols during fishing trips are warranted due to the 3.4-fold increased risk associated with inadequate fluid intake (OR=3.350). Furthermore, targeted blood pressure screening for fishers aged ≥50 years (OR=2.903) and context-sensitive health education for those with lower educational levels (OR=2.177) should be integrated into coastal primary health care programs to ensure comprehensive and proportional risk reduction based on evidence Keywords:  Hypertension, Public Health, Fishermen, Coastal Areas, Inadequate Fluid Intake
Analysis Of The Use Of The Tuberculosis Information System On The Effectiveness Of Tb Treatment Services Using The Hot-Fit Model Approach At Dr. Rehatta Regional General Hospital, Central Java Province Figi Bayu Joko Saputro; Farid Agushybana; Cahya Tri Purnami
Contagion: Scientific Periodical Journal of Public Health and Coastal Health Vol 8, No 2 (2026): Contagion
Publisher : Universitas Islam Negeri Sumatera Utara, Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30829/contagion.v8i2.30060

Abstract

The Tuberculosis Information System (SITB) has been implemented at Dr Rehatta Regional General Hospital in Central Java to support the recording, reporting and monitoring of the TB programme; however, its effectiveness still needs to be evaluated. This study aims to evaluate the effectiveness of the SITB in supporting TB treatment services based on the HOT-Fit model. This is a quantitative analytical survey with a cross-sectional design involving 21 healthcare workers who use the SITB as the sample, selected via total sampling, as well as 4 respondents selected via purposive sampling for open-ended questions. Data were collected using a Likert-scale questionnaire and analysed using validity tests, internal consistency tests, descriptive statistics, and Spearman’s rank correlation test. The results indicate that respondents’ perceptions of human and technological factors fell within the ‘good’ to ‘very good’ categories, with the quality of technical support services identified as a weak point. There was a positive and significant relationship between user skills, adoption, system quality, service quality and technical support on the effectiveness of TB services; however, user satisfaction did not show a significant relationship. This study concluded that the SITB makes a positive contribution to the effectiveness of TB services; however, improvements in technical support, regular training and the involvement of doctors are still required to optimise its benefits Keywords: Tuberculosis Information System, HOT-Fit Model, Effectiveness of TB Services
Evaluation of Socioeconomic and Occupational Barriers to Breastfeeding: A Comparative Study Among Weaving Mothers Marni Siregar; Hetty Panggabean
Contagion: Scientific Periodical Journal of Public Health and Coastal Health Vol 8, No 2 (2026): Contagion
Publisher : Universitas Islam Negeri Sumatera Utara, Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30829/contagion.v8i2.28584

Abstract

In Indonesia, stunting continues to affect many children, making breastfeeding practices a critical focus of early prevention.  Mothers working in the informal sector, such as traditional weavers, often encounter occupational and socioeconomic barriers that may hinder optimal breastfeeding. This study aims to describe the sociodemographic characteristics of weaving mothers and compare the mean scores of Early Initiation of Breastfeeding (EIBF) implementation and knowledge of exclusive breastfeeding between North Tapanuli and Samosir, North Sumatra. A cross-sectional study was conducted among 72 weaving mothers, with 36 respondents from Siatas Barita Health Center, (North Tapanuli) and 36 from Buhit Health Center (Samosir) selected through purposive sampling. Data were collected using a structured questionnaire and analyzed descriptively through frequency distributions, percentages, and mean scores. Most respondents were aged 26–35 years and had completed senior high school. The mean EIBF score was 3.19 in North Tapanuli and 2.89 in Samosir, both classified as high. The mean score for exclusive breastfeeding knowledge was 3.25 in North Tapanuli (very high) and 2.79 in Samosir (high). These findings suggest that weaving mothers in North Tapanuli had higher EIBF implementation and higher knowledge of exclusive breastfeeding knowledge compared to  those in Samosir. Region-specific breastfeeding education and community-based support are recommended, particularly in Samosir, to strengthen maternal knowledge and promote optimal breastfeeding practices. Keywords: Breastfeeding, Occupational Barriers, Weaving Mothers, Comparative Study.
Effectiveness of Health Promotion Using the Snakes and Ladders-Hopscotch Game Media on Adolescent Knowledge of Vegetable and Fruit Consumption at SMPN 6 Jambi City Irma Handayani; Asrial Asrial; Ummi Kalsum; Haryanto Haryanto
Contagion: Scientific Periodical Journal of Public Health and Coastal Health Vol 8, No 2 (2026): Contagion
Publisher : Universitas Islam Negeri Sumatera Utara, Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30829/contagion.v8i2.26620

Abstract

Vegetable and fruit consumption among adolescents aged 10–14 years remains very low at 2.3%. Adolescents prefer fast food, often neglecting their need for vegetables and fruits, even though a balanced diet is crucial for their growth and development. This study aims to analyze the effectiveness of a Snakes and Ladders game combined with hopscotch in increasing adolescents' knowledge about vegetable and fruit consumption. The research used a quasi-experimental design with a two-group pre-test-post-test approach at SMPN 6 and SMPN 11 in Jambi City, with a sample of 52 respondents in the intervention group and 51 in the control group. Data analysis was performed using the Wilcoxon and Mann-Whitney tests. The Wilcoxon test showed a significant increase in knowledge in the intervention group (p=0.000), whereas the control group showed no significant change (p=0.257). The results of the Mann-Whitney test also showed no significant difference between the two groups at pre-test (knowledge p=0.628). Still, after the intervention, there was a significant difference in knowledge (p=0.000). The hopscotch, snakes, and ladders game is effective at increasing adolescents' knowledge about vegetable and fruit consumption. This media is recommended for use in health education in schools and healthcare facilities Keywords:  Model,  Snakes and Ladders Media, Hopscotch,  Fruit and Vegetable Consumption,  Adolescents
Development and Functional Testing of BETAPA ANTIK 2.0: An Android-Based Mobile Application for Community Dengue Surveillance and Reporting in North Sumatra, Indonesia Risnawati Tanjung; Helfi Nolia; Jernita Sinaga; Adristi Wina Damanik; Deli Syaputri; Samuel Marganda H Manalu; Nelson Tanjung
Contagion: Scientific Periodical Journal of Public Health and Coastal Health Vol 8, No 2 (2026): Contagion
Publisher : Universitas Islam Negeri Sumatera Utara, Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30829/contagion.v8i2.29854

Abstract

Dengue fever remains a major public health concern in  Indonesia, particularly in tropical regions such as North Sumatra, where Deli Serdang Regency reports persistently high case numbers. Conventional larva surveillance and the 1 House 1 Larva-Monitor movement (G1R1J) still rely on manual, paper-based reporting that is slow, poorly documented, and difficult to coordinate in real time. The initial BETAPA ANTIK 1.0 application supported larva-survey reporting but lacked educational video content and adult mosquito identification tools, limiting its utility for community education and vector surveillance. This study aims to develop and functionally test BETAPA ANTIK 2.0 (Based on Larvae Surveillance and Analysis Technology), an Android-based mobile application, incorporating GPS-based location tracking, digital case reporting, multimedia public education, and an adult-mosquito identification camera. A design-and-development (Research and Development) approach was employed, following the Waterfall software-development life cycle: requirements analysis, system design, implementation, testing, and maintenance. The application was built on the Android platform using Kotlin/Java, and functional verification was conducted through black-box testing of each feature. BETAPA ANTIK 2.0 provides five core modules: GPS enabled geotagging, a digital reporting workflow integrated with WhatsApp and Gmail, video and poster-based educational media, and an adult-mosquito identification camera covering 23 species. All functional (black-box) test cases performed according to specifications, with the only limitation being dependence on a stable internet connection. Usability, user acceptance, and the accuracy of mosquito-identification were not formally evaluated and are identified as priorities for future studies. BETAPA ANTIK 2.0 was successfully developed and passed functional (black-box) testing, representing a promising digital tool to support participatory dengue surveillance and reporting. However, its effectiveness in dengue control requires further filed implementation and usability evaluation. Recommended next steps include developing an offline mode, risk-zone notifications, and integration with existing health information systems. Keywords: Dengue Prevention and control, Mosquito Vectors, Mobile Applications, Epidemiological Surveillance, Community Participation, Indonesia

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