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Correlation analysis of vaccination coverage, positivity rate, and community mobility rate on COVID-19 effective reproductive rate: SIR modeling study from Indonesia Meirina Nur Asih Susanti; Siti Nurrochmah; Lucky Radita Alma; Supriyadi Supriyadi
Public Health and Occupational Safety Journal Vol. 1 No. 1 (2025): Public Health and Occupational Safety Journal (PHOSJ)
Publisher : CV Rezki Media

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56003/phosj.v1i1.534

Abstract

Background: Effective Reproduction Rate (Rt) is used to evaluate COVID-19 transmission; although Tegal City has the lowest cumulative cases in Central Java, the spread of the virus remains rapid. Intervention efforts are carried out through vaccination coverage, positivity rate, and level assessment as a shared responsibility to reduce the transmission rate. Objectives: The purpose of this study was to estimate the spread of COVID-19 with the intervention and to determine whether there is a correlation between the COVID-19 Rt Number and vaccination coverage, positivity rate, and level assessment situation in Tegal City. Methods: Observational quantitative research design. The type of research used was SIR (Susceptible Infected Removed) mathematical modeling and descriptive analysis through an ecological study approach and Spearman correlation statistical analysis. Results: The results of the study showed a decrease in the number of cases of vulnerable and infected subpopulations after public health interventions, followed by the results that the positivity rate and level assessment situation were significantly correlated with the strength of the relationship powerful to the Covid-19 Effective Reproductive Rate with values (r=0.856; p=0.00) and (r=-0.712; p=0.00), while vaccination coverage was not statistically significantly correlated with a value of (r=-0.209; p=0.137). Conclusions: The positivity rate and COVID-19 level assessment situation were statistically significantly correlated to the effective reproductive rate of COVID-19 in Tegal City with a strong correlation. Meanwhile, vaccination coverage did not correlate statistically with effective reproductive rate. Further studies must evaluate the effectiveness of combined interventions (vaccination + testing + mobility restriction) in various epidemiological settings.
Penerapan media high impact imagery booklet untuk panduan pembuatan menu gizi seimbang bagi ibu balita Alma, Lucky Radita; Ulfa, Nurnaningsih Heryah; Rahmawati, Indana Tri; Syahrani, Rizky Aura; Rusalam, Grevilla Deva Salsabela; Maulida, Nalaina Izzaty; Nuraziizah, Nida’a Astie; Novitasari, Zahra Rizki; Amanda, Dian; Maulida, Marshanda Rachma; Wardani, Fransisca Puspita
Holistik Jurnal Kesehatan Vol. 19 No. 9 (2025): Volume 19 Nomor 9 (edisi khusus konference)
Publisher : Program Studi Ilmu Keperawatan-fakultas Ilmu Kesehatan Universitas Malahayati

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33024/hjk.v19i9.1980

Abstract

Background: Malnutrition in toddlers, particularly stunting, remains a serious health problem in Indonesia. Data from the 2018 Basic Health Research (Riskesdas) showed that 30.8% of toddlers experienced stunting, while 6.2% of babies were born with low birth weight. Causal factors stem not only from economic conditions but also from parents' lack of knowledge about balanced nutrition, appropriate parenting patterns, and the persistence of myths and misconceptions. To address this problem, effective educational media are needed, one of which is through a communicative, visual-based booklet. Purpose: To develop and test the application of a high-impact imagery booklet as a guide to creating balanced nutritional menus for mothers of toddlers. Method: This research and development (R&D) study used the ADDIE model, encompassing the stages of Analysis, Design, Development, Implementation, and Evaluation. The pre-experimental research design included a pre-test and post-test on 65 mothers of toddlers. Data analysis was conducted to assess the increase in participants' knowledge regarding child nutrition following the HII-Book intervention. Results: The resulting product, the HII-Book, contains a balanced nutrition guide, sample menus, and engaging illustrations. The trial showed an increase in knowledge among mothers of toddlers, with 57.9% of mothers in the good category before the intervention. After the intervention, the good category increased to 78%. Participants also responded positively to the HII-Book-based outreach activities, nutrition consultations, and cooking demonstrations. Conclusion: The HII-Book educational media has proven effective in increasing mothers of toddlers' knowledge and understanding of balanced nutrition. This program can serve as a reference for public health interventions to prevent stunting and support the implementation of healthier parenting patterns within the family environment.   Keywords: Balanced Nutrition Menu; High Impact Imagery Booklet (HII-Book); Mothers; Toddlers.   Pendahuluan: Kekurangan gizi pada anak balita, khususnya stunting, masih menjadi masalah kesehatan serius di Indonesia. Data Riset Kesehatan Dasar (Riskesdas) 2018, menunjukkan 30.8% balita mengalami stunting, sementara 6.2% bayi lahir dengan berat badan rendah. Faktor penyebab tidak hanya berasal dari kondisi ekonomi, tetapi juga kurangnya pengetahuan orang tua mengenai gizi seimbang, pola asuh yang tepat, serta masih adanya mitos dan kepercayaan keliru. Untuk mengatasi masalah ini, diperlukan media edukasi yang efektif, salah satunya melalui booklet berbasis visual yang komunikatif. Tujuan: Untuk mengembangkan dan menguji penerapan media high impact imagery booklet untuk panduan pembuatan menu gizi seimbang bagi ibu balita. Metode: Penelitian Research and Development (R&D) dengan model ADDIE, meliputi tahap Analyze, Design, Development, Implementation, dan Evaluation. Desain penelitian pre-eksperimental dilakukan dengan pre-test dan post-test pada 65 ibu balita. Data analisis untuk menilai peningkatan pengetahuan peserta terkait gizi anak setelah intervensi dengan HII-Book. Hasil: Produk yang dihasilkan berupa HII-Book berisi panduan gizi seimbang, menu contoh, dan ilustrasi menarik. Uji coba menunjukkan peningkatan pengetahuan ibu balita, sebelum intervensi termasuk dalam kategori baik sebesar 57.9%. Setelah intervensi, kategori baik meningkat menjadi 78.%. Respon peserta juga positif terhadap kegiatan sosialisasi, konsultasi gizi, dan demo masak berbasis HII-Book. Simpulan: Media edukasi HII-Book terbukti efektif meningkatkan pengetahuan dan pemahaman ibu balita tentang gizi seimbang. Program ini dapat menjadi acuan intervensi kesehatan masyarakat untuk pencegahan stunting serta mendukung penerapan pola asuh yang lebih sehat di lingkungan keluarga.   Kata Kunci: Balita; Ibu; High Impact Imagery Booklet (HII-Book); Menu Gizi Seimbang.