Healthy Teen School: Gerakan Gizi Seimbang Dan Jajanan Sehat Pada Siswa SMP Negeri 19 Medan

Tifani Hadi Tri Wahyuni ; Marta Imelda Br. Sianturi ; Asima Lamtiar Hotnauli Pakpahan ; Nurhayani Harahap ; Amanda Sheira Silitonga ; Yumiati Mbang Kahi
Sevaka : Hasil Kegiatan Layanan Masyarakat 📅 2026 Vol 4, No 2 🔗 DOI: 10.62027/sevaka.v4i2.729
Abstract
Adolescents are a nutritionally vulnerable group at risk of double burden of malnutrition. Riskesdas 2023 data showed that the prevalence of undernutrition in adolescents aged 13–15 years in North Sumatra reached 16.8%, while overweight and obesity reached 18.3%. The habit of consuming unhealthy snacks at school is one of the main preventable risk factors through structured nutrition education. Objective: This community service program aimed to increase knowledge of balanced nutrition and healthy snack selection behavior among Grade VIII students of SMP Negeri 19 Medan. Methods: Activities were carried out through interactive lectures, demonstrations, educational games, and workshops with 64 students. Evaluation used pre-test and post-test analysis with Wilcoxon Signed Rank Test. Results: There was a significant increase in nutritional knowledge in both classes (p=0.001) and healthy snack selection behavior (p=0.000). Conclusion: The Healthy Teen School program effectively improved adolescent nutrition knowledge and behavior.
Keywords
Adolescents; Dietary Patterns; Health Education; Nutrient Intake
How to Cite

Tifani Hadi Tri Wahyuni, et al. (2026). Healthy Teen School: Gerakan Gizi Seimbang Dan Jajanan Sehat Pada Siswa SMP Negeri 19 Medan. Sevaka : Hasil Kegiatan Layanan Masyarakat, 4(2). https://doi.org/10.62027/sevaka.v4i2.729

Tifani Hadi Tri Wahyuni; Marta Imelda Br. Sianturi; Asima Lamtiar Hotnauli Pakpahan; Nurhayani Harahap; Amanda Sheira Silitonga; Yumiati Mbang Kahi, "Healthy Teen School: Gerakan Gizi Seimbang Dan Jajanan Sehat Pada Siswa SMP Negeri 19 Medan," Sevaka : Hasil Kegiatan Layanan Masyarakat, vol. 4, no. 2, 2026.

Tifani Hadi Tri Wahyuni; Marta Imelda Br. Sianturi; Asima Lamtiar Hotnauli Pakpahan; Nurhayani Harahap; Amanda Sheira Silitonga; Yumiati Mbang Kahi. "Healthy Teen School: Gerakan Gizi Seimbang Dan Jajanan Sehat Pada Siswa SMP Negeri 19 Medan." Sevaka : Hasil Kegiatan Layanan Masyarakat, vol. 4, no. 2, 2026.

Tifani Hadi Tri Wahyuni; Marta Imelda Br. Sianturi; Asima Lamtiar Hotnauli Pakpahan; Nurhayani Harahap; Amanda Sheira Silitonga; Yumiati Mbang Kahi. "Healthy Teen School: Gerakan Gizi Seimbang Dan Jajanan Sehat Pada Siswa SMP Negeri 19 Medan." Sevaka : Hasil Kegiatan Layanan Masyarakat 4, no. 2 (2026).

Tifani Hadi Tri Wahyuni, et al. (2026) 'Healthy Teen School: Gerakan Gizi Seimbang Dan Jajanan Sehat Pada Siswa SMP Negeri 19 Medan', Sevaka : Hasil Kegiatan Layanan Masyarakat, 4(2). doi: 10.62027/sevaka.v4i2.729.

Tifani Hadi Tri Wahyuni; Marta Imelda Br. Sianturi; Asima Lamtiar Hotnauli Pakpahan; Nurhayani Harahap; Amanda Sheira Silitonga; Yumiati Mbang Kahi. Healthy Teen School: Gerakan Gizi Seimbang Dan Jajanan Sehat Pada Siswa SMP Negeri 19 Medan. Sevaka : Hasil Kegiatan Layanan Masyarakat. 2026;4(2).

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