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All Journal Griya Journal of Mathematics Education and Application
Vincencia Cahyani Pandiangan
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Education Mathematics

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Pemodelan Jumlah Kasus Tuberkulosis dengan Pendekatan Regresi Non-linear di Sumatera Utara Purba, Laura Annisa; Hanafi Irsyad Pulunga; Putri Leony Simpa; Vincencia Cahyani Pandiangan; Hanna Dewi Mariana Hutabarat
Griya Journal of Mathematics Education and Application Vol. 5 No. 4 (2025): Desember 2025
Publisher : Pendidikan Matematika FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/griya.v5i4.895

Abstract

Tuberculosis (TB) remains one of the major infectious diseases requiring serious attention in regional health policy planning. This study aims to model the number of TB cases in North Sumatra Province using a non-linear regression approach with a Negative Binomial distribution to address overdispersed count data. Secondary data from 33 districts/cities in 2023 were analyzed, with the number of TB cases as the dependent variable and the number of poor population, GDP per capita, number of public health centers, and open unemployment rate as independent variables. The results indicate that the model is statistically significant overall; however, at the individual level, only the open unemployment rate shows a positive effect that approaches statistical significance. These findings highlight the complexity of TB determinants and suggest the need for cross-sectoral strategies focusing on employment expansion and the strengthening of primary health care services.
Co-Authors Hanafi Irsyad Pulunga Hanna Dewi Mariana Hutabarat Purba, Laura Annisa Putri Leony Simpa