Penyebab utama kematian balita di Indonesia adalah pneumonia. Pemberian ASI eksklusif dan suplementasi vitamin A direkomendasikan sebagai strategi pencegahan pneumonia. Meskipun cakupan keduanya telah mencapai target, prevalensi pneumonia meningkat dari 4,8% (2018) menjadi 15% (2023). Oleh karena itu, penelitian ini dilakukan untuk menganalisis hubungan pemberian ASI eksklusif dan vitamin A dengan kejadian pneumonia pada balita usia 12–23 bulan di Indonesia. Desain yang digunakan dalam penelitian ini adalah potong lintang dengan menggunakan data Survei Kesehatan Indonesia 2023. Analisis dilakukan secara univariat, bivariat, dan multivariat. Hasil menunjukkan tidak terdapat hubungan signifikan antara pemberian ASI eksklusif dan vitamin A dengan kejadian pneumonia. Setelah mempertimbangkan variabel interaksi dan mengontrol variabel perancu (jenis kelamin, riwayat diare, dan sumber air minum) ditemukan peningkatan risiko pada balita yang tidak berikan ASI eksklusif (AOR: 1,466; 95%CI: 0,928 – 2,315), meskipun tidak signifikan secara statistik. Sementara itu, hubungan pemberian vitamin A dengan kejadian pneumonia menjadi signifikan (AOR: 3,029; 95%CI: 1,339 – 6,852). Oleh karena itu, diperlukan penguatan program edukasi melalui pemberdayaan masyarakat sebagai strategi promotif-preventif untuk meningkatkan perilaku pemberian ASI eksklusif dan vitamin A dalam upaya pencegahan pneumonia pada balita.

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Pneumonia is the leading causes of death among children under five in Indonesia. Exclusive breastfeeding and vitamin A supplementation are recommended strategies for preventing pneumonia. Although the coverage of both has reached national targets, the prevalence of pneumonia increased from 4.8% in 2018 to 15% in 2023. This study aimed to examine the association between exclusive breastfeeding and vitamin A supplementation with the incidence of pneumonia among children aged 12–23 months in Indonesia. This study used a cross-sectional design based on data from 2023 SKI. Data analysis was conducted using univariate, bivariate, and multivariate methods. The results showed no statistically significant association between exclusive breastfeeding and vitamin A supplementation with pneumonia incidence. However, after considering interaction variables and controlling for confounding variables (child’s sex, history of diarrhea, and drinking water source), an increased risk of pneumonia was found among children who were not exclusively breastfed (AOR: 1.466; 95% CI: 0.928–2.315), although the association was not statistically significant. Meanwhile, the association between vitamin A supplementation and pneumonia became statistically significant (AOR: 3.029; 95% CI: 1.339–6.852). Therefore, strengthening educational programs through community empowerment is needed as a promotive-preventive strategy to improve exclusive breastfeeding and vitamin A practices in efforts to prevent pneumonia in children.