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All Journal JMPM: Jurnal Matematika dan Pendidikan Matematika Jambura Journal of Mathematics JAMBURA JOURNAL OF PROBABILITY AND STATISTICS Awwaliyah Euler : Jurnal Ilmiah Matematika, Sains dan Teknologi Dirasatul Ibtidaiyah Al-Mulk: Jurnal Pengabdian Masyarakat JURNAL INOVASI PENDIDIKAN DASAR DAN MENENGAH
Akolo, Ingka Rizkyani
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Religion Humanities Computer Science & IT Decision Sciences, Operations Research & Management Education Environmental Science Languange, Linguistic, Communication & Media Mathematics Social Sciences Other

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Pemodelan Faktor Risiko Stunting Berbasis Titik Menggunakan Geographically Weighted Logistic Regression di Kabupaten Bone Bolango Akolo, Ingka Rizkyani; Djafar, Fatimah; Paembonan, Maya
Jambura Journal of Mathematics Vol 8, No 1: February 2026
Publisher : Department of Mathematics, Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/jjom.v8i1.35871

Abstract

Stunting remains a major public health issue in Indonesia, including in Kabupaten Bone Bolango, which recorded a high prevalence in 2023. Variations in social, economic, and environmental conditions across observation locations indicate the need for analyses that account for spatial differences between areas. This study aims to identify the spatial variation in the effects of significant stunting risk factors using the Geographically Weighted Logistic Regression (GWLR) method. The data were obtained from the Health Office of Kabupaten Bone Bolango in 2019. The independent variables included complete basic immunization (X1), the percentage of low-birth-weight infants (X2), and the percentage of exclusive breastfeeding (X3), with the response variable defined as high stunting prevalence (1) and low stunting prevalence (0). The analysis comprised multicollinearity testing, the Breusch-Pagan spatial heterogeneity test, bandwidth selection using cross-validation, construction of an adaptive Gaussian kernel weighting matrix, and parameter estimation via maximum likelihood with the Newton-Raphson method. The multicollinearity test indicated that all variables were free from collinearity (VIF 10). The Breusch-Pagan test revealed the presence of spatial heterogeneity (p 0.10), confirming the appropriateness of the GWLR model. The results showed that the percentage of exclusive breastfeeding was significantly higher in Bone Raya, Bulawa, Bone, Bone Pantai, and Kabila Bone, whereas complete basic immunization and the percentage of low-birth-weight infants were not significantly different. These findings indicate that exclusive breastfeeding is a risk factor for stunting, with significant spatial variation, suggesting that stunting intervention strategies should be designed on a point-by-point, location-specific basis, taking into account the local characteristics of each observation point.
Co-Authors Dukalang, Hendra Fastha Aulia Pradhani Fatimah Djafar Jhems Richard Hasan Kobandaha, Windi Nata Mohamad, Sabrina Nadjib Mujahid Damopolii Muluto, Fitri Yanti Munirah Munirah Nadjamuddin, Asriyati Napu, Dewi Darmiyani Ningsih, Setia Otaya, Lian Gafar Paembonan, Maya Paputungan, Patresia Pratama, Apriliyanus Rakhmadi Puspita, Ita Razak Umar Sarif, Suharia Susila, Muktar Redy Yasin, Indri Afriani