Effectiveness of an IMB-Based Stunting Prevention Model Among Adolescents: A Quasi-Experimental Study Open Access

Authors

  • 1 Dian Permatasari Department of Midwifery Professional Study Program, Faculty of Health Sciences, Wiraraja University, Sumenep, East Java, Indonesia
  • 2 Ratna Indriyani Department of Midwifery Professional Study Program, Faculty of Health Sciences, Wiraraja University, Sumenep, East Java, Indonesia
  • 3 Mujib Hannan Department of Nursing, Faculty of Health Sciences, Wiraraja University, Sumenep, East Java, Indonesia
  • 4 Emdat Suprayitno Department of Nursing, Faculty of Health Sciences, Wiraraja University, Sumenep, East Java, Indonesia
  • 5 Dian Ika Puspitasari Department of Nursing, Faculty of Health Sciences, Wiraraja University, Sumenep, East Java, Indonesia

https://doi.org/10.55018/ihc.v12.18 Published: 2025-12-21

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Abstract

Background: Stunting remains a significant public health issue in Indonesia. Conventional interventions often focus on pregnancy and early childhood, showing limited sustainability. Adolescents, as prospective parents, represent a strategic target for sustainable prevention, yet evidence on effective behavior change models for this group remains limited.

Methods: This quasi-experimental study adhered to the TREND guideline. Female adolescents (N=120) aged 15-20 years from schools and Islamic boarding schools in Sumenep were randomly assigned to an intervention group (n=60) that received a structured IMB-based program or a control group (n=60) that received standard education. The intervention comprised sessions on information, motivation, and behavioral skills. Dependent variables were knowledge, motivation, and behavior, measured via validated questionnaires. Data were analyzed using Mann-Whitney U tests with significance at p < 0.05

Result: The intervention group showed significant improvements in knowledge (85% good post-test vs. 13.3% pre-test, p < 0.001), motivation (75% high post-test vs. 11.7% pre-test, p < 0.001), and behavior (90% good post-test vs. 11.6% pre-test, p < 0.001). The control group showed no significant changes.

Conclusion: The IMB model effectively enhances stunting prevention knowledge, motivation, and behavior among adolescents. It is recommended for integration into adolescent health programs in similar LMIC settings.

Keywords:

Stunting, Adolescent, Health Behavior, Health Education, Motivation, Nutrition

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Copyright (c) 2025 Dian Permatasari, Ratna Indriyani, Mujib Hannan, Emdat Suprayitno, Dian Ika Puspitasari (Author)

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How to Cite

Permatasari, D., Indriyani, R. ., Hannan, M. ., Suprayitno, E. ., & Puspitasari, D. I. . (2025). Effectiveness of an IMB-Based Stunting Prevention Model Among Adolescents: A Quasi-Experimental Study. International Journal of Health Concord, 1(2), 66-72. https://doi.org/10.55018/ihc.v12.18

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