TY - JOUR TI - Hubungan Gaya Hidup dengan Kejadian ISPA pada Balita di Wilayah Kerja Puskesmas Langsat PY - %2026/%01/%31 Y2 - %2026/%10/%20 JF - Jurnal Medical Laboratory JA - MedLab VL - 5 IS - 1 SE - Articles DO - 10.57213/medlab.v5i1.520 UR - https://doi.org/10.57213/medlab.v5i1.520 SP - 491-501 AB - Acute Respiratory Infection (ARI) is a major health problem among under-five children and is influenced by various factors, including family lifestyle. The 2018 Riskesdas reported 1,017,290 ARI cases in Indonesia, while Pekanbaru City recorded 14,309 ARI cases among under-five children in 2024. Data from Langsat Public Health Center showed an increase in ARI cases from 260 cases (2023) to 322 cases (2024). This study aimed to determine the relationship between lifestyle and the incidence of ARI among under-five children in the working area of Langsat Public Health Center. This quantitative study used a cross-sectional design and was conducted from October to November 2025. The population and sample consisted of 62 mothers with under-five children aged 0–