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Determinants of Food Security in Rice-Surplus Districts of North Sumatra: An Integrated Panel Data and Structural Equation Modeling Approach Mitra Musika Lubis; Koko Junaidi; Safruddin Safruddin
Jurnal Penelitian Pendidikan IPA Vol 11 No 10 (2025): October
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v11i10.11618

Abstract

This study investigates the factors influencing food security in rice-surplus districts of North Sumatra, Indonesia, during 2018–2023. Using secondary panel data, we apply Fixed Effect Models and Partial Least Squares Structural Equation Modeling (PLS-SEM) to assess the relationships among rice availability, consumption, and food security. The availability of rice is significantly influenced by production levels, market prices, harvested area, and consumption patterns, while land productivity has no significant effect—suggesting inefficiencies in translating higher yields into accessible supply. Rice consumption is shaped by production, income, and population size but remains unaffected by price fluctuations. PLS-SEM findings reveal that food availability enhances access to food but can negatively affect nutrient absorption and food security directly, possibly due to limited dietary diversity or inadequate nutrition knowledge. However, access and absorption act as key mediators, ultimately improving overall food security. These results emphasize that increasing food availability alone is insufficient. Effective policies must also promote equitable access and improved nutrient utilization to ensure sustainable food security outcomes. By clarifying the complex linkages between food production, distribution, and utilization in rice-abundant regions, this study offers strategic insights for designing integrated, region-specific food security policies.
Co-Authors A. Asrijal Abd. Rasyid Syamsuri Abdul Fajar Haras Abdul Rahman Afriamah Afriamah AHMAD RAFIQI TANTAWI Ahmad Sutan Nauli Lubis Al-Taani, Fadi Asmah Indrawati Baren Sipayung Bigner Dolok Saribu Chai, Napat CNAWP, Rizal Perlambang Damanik, Desy Wulan Sary Darma Bakti Denpharanto Agung Krisprimandoyo Dewa Oka Suparwata Dewi Sartika Laurencia Br. Manurung Diah Retno Dwi Hastuti Dicky Oloan Manullang Doddy Ismunandar Bahari Eka Apriyanti Ella Permatasari Ellen Lumisar Panggabean Endang Sari Simanullang Etty Sri Hertini Fachry Abda El Rahman Fastabiqul Khairad Fatma Sarie Fatmawaty Fatmawaty Fitra Aristia Fahmi Lubis Foeza Hafiz Frans Sudirjo Frans Sudirjo Gunawan, Untung Gustami Harahap Gustami Harahap Gustami Harahap Harahap, Ahmad Rizki Haras, Abdul Fajar Harsya, Rabith Madah Khulaili Haryono Haryono Haryono Haryono Hasnudi Hasnudi Hasnudi, Hasnudi Hermansyah Hernosa, Siswa Panjang Hertini, Etty Sri Ihsan Effendi Intes, Amina Judijanto, Loso Khairul Saleh Koko Junaidi Koko Junaidi Kuswardani, Retna Astusi Kuswarini Sulandjari Loso Judijanto Luluk Yuliati Mardiyah Siregar Mayang Kurniawan Muhammad Chalidin Muhammad Deaprama Aydra Muhammad Fadly Abdina Muhammad Iqbal Muhammad JufriansyahMuhammad Jufriansyah Muhammad Qori Husein Muhammad Rispan Affandi Muhammad Syaiful Muhammad Usman Nia Aldina Lubis Ninik Sri Rahayu, Ninik Sri Novia Ardila Siregar Philip Yudha Gabriel Prayoga, Ryan Priyana, Yana Purba, Wicky Wanansih Putra Lukmana Yunus Hasibuan Putri Helena Panjaitan Putri, Elvina Triana Raden Roro Atiqah Sekararum Rahma Sari Siregar Rahmaddin Sahputra Rahmanta Ramadani, Riski Ramlan, Winarto Retna Astuti Kuswardani Retno Astuti Rika Fitri Ilvira Rinaldi Simamora Ririn Anggreni Pulungan Riska Aprilia Rizal Aziz Rizal Aziz Safruddin Safruddin Sahputra, Rahmaddin Sarie, Fatma Sarim Sarim Sartika Sartika Selvia Junita Praja Silvia Loren Sidauruk Siti Mardiana Siti Mardiana Siti Sabrina Salqaura Siti Sabrina Salqaura Siti Wulandari Slamet Riyadi, Slamet Riyadi Sri Ariani Safitri Sri Fajar Ayu Sri Leli Sitorus Stefanus Lugu Suci Wulandari Sulandjari, Kuswarini Syahfitri, Alfi Tika Ermita Wulandari Timura, Rezi Ardafi Maulana Utami, Cahyaning Rini Winarto Ramlan Yana Priyana Yogi Indra Pramana Yonny Koentjoro Yoshua Putra Pratama Silalahi Yuni Zanesty Hutapea Yusniar Lubis Zainal Abidin Zainal Abidin