Infeksi saluran pernafasan Akut (ISPA) dikenal sebagai salah satu penyebab kematian utama pada bayi, dan anak balita di Negara berkembang. Hampir semua kematian ISPA pada bayi dan anak balita umumnya disebabkan oleh infeksi saluran pernafasan bagian bawah (pneumonia). Salah satu faktor yang mempengaruhi ISPA pada balita adalah perilaku keluarga. Tujuan penelitian ini untuk mengetahui hubungan antara faktor perilaku keluarga dengan kejadian ISPA pada Balita. Jenis penelitian merupakan deskriptif analitik dengan desain cross sectional, populasi dalam penelitian ini yaitu seluruh balita sebanyak 1000 balita, jumlah sampel sebanyak 75 balita yang diambil secara random sampling. Data dianalisis menggunakan uji chi Square. Hasil penelitian ini menunjukkan ada hubungan yang bermakna antara perilaku merokok anggota keluarga dengan kejadian ISPA (p=0,001), ada hubungan yang bermakna antara penggunaan obat nyamuk bakar dengan kejadian ISPA (p=0,003), dan ada hubungan yang bermakna antara perilaku membersihkan rumah dengan kejadian ISPA (p=0,001). Disarankan bagi masyarakat agar menerapkan PHBS, menjaga lingkungan, dan bagi puskesmas agar melaksanakan penyuluhan tentang ISPA serta Care sicking ISPA.Kata Kunci: ISPA, merokok, obat nyamuk bakar ABSTRACTAcute respiratory infections (ARI) are known as one of the main causes of death in infants and children under five in developing countries. Almost all ARI deaths in infants and children under five are generally caused by lower respiratory tract infections (pneumonia). One of the factors that influence ARI in toddlers is family behavior. The purpose of this study was to determine the relationship between family behavior factors and the incidence of ARI in children under five. The type of research is descriptive-analytic with a cross-sectional design, the population in this study is all 1000 toddlers, the total sample is 75 toddlers taken by random sampling. Data were analyzed using the chi-Square test. The results of this study showed that there was a significant relationship between the smoking behavior of family members and the incidence of ARI (p=0.001), there was a significant relationship between the use of mosquito coils and the incidence of ARI (p=0.003), and there was a significant relationship between house-cleaning behavior and the incidence of ARI. the incidence of ARI (p=0.001). It is recommended for the community to implement PHBS, protect the environment, and for puskesmas to carry out counseling about ARI and Care sicking ARI.Keywords: ARI, smoking, mosquito coils
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