Penelitian ini dilatar belakangi oleh perbedaan proporsi kejadian Bayi Berat Lahir Rendah (BBLR) berdasarkan tingkat konsumsi Tablet Tambah Darah (TTD). Kejadian BBLR diketahui lebih tinggi pada ibu hamil yang tidak mengkonsumsi TTD sesuai anjuran, sehingga menimbulkan dugaan adanya hubungan antara konsumsi TTD dengan berat badan lahir bayi. Namun, sejumlah penelitian sebelumnya menunjukkan hasil yang tidak konsisten terkait hubungan ini. Tujuan penelitian ini adalah untuk menganalisis hubungan antara konsumsi TTD selama kehamilan dengan berat badan bayi saat lahir. Desain studi yang digunakan adalah cross-sectional dengan pendekatan analisis data sekunder yang bersumber dari Survei Kesehatan Indonesia (SKI) tahun 2023. Sampel penelitian mencakup 51.797 ibu yang dalam lima tahun terakhir melahirkan bayi hidup dan tercatat pernah menerima atau membeli TTD selama kehamilan. Rata-rata berat badan lahir bayi adalah 3.101 gram, sedangkan rata-rata konsumsi TTD oleh ibu hamil sebanyak 70 tablet, masih di bawah rekomendasi pemerintah. Hasil analisis menunjukkan nilai korelasi (r) sebesar 0,007 dan p-value 0,126, yang menandakan tidak adanya hubungan signifikan antara konsumsi TTD dengan berat badan lahir bayi. Variabel lain seperti kepemilikan jaminan kesehatan dan paparan asap rokok juga tidak menunjukkan hubungan signifikan. Namun, faktor seperti pendidikan ibu, paritas, tempat tinggal, risiko kehamilan, kunjungan ANC, dan usia kehamilan saat pertama kali mendapat TTD menunjukkan hubungan yang signifikan.Kata kunci: Informasi, information literacy, information skills

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This study was motivated by differences in the proportion of Low Birth Weight (LBW) cases based on the level of iron supplementation consumption. LBW incidence was found to be higher among pregnant women who did not consume iron supplementation according to recommendations, raising the assumption that there may be a relationship between supplementation consumption and infant birth weight. However, several previous studies have shown inconsistent results regarding this association. The aim of this study was to analyze the relationship between iron supplementation consumption during pregnancy and infant birth weight. The study used a cross-sectional design with a secondary data analysis approach, utilizing data from the 2023 Indonesia Health Survey. The sample included 51,797 mothers who had delivered a live baby in the past five years and were recorded as having received or purchased iron supplementation during pregnancy. The average birth weight of the infants was 3,101 grams, while the average TTD consumption among pregnant women was 70 tablets, still below the government's recommended amount. The analysis results showed a correlation coefficient (r) of 0.007 and a p-value of 0.126, indicating no significant relationship between iron supplementation consumption and infant birth weight. Other variables such as health insurance ownership and exposure to cigarette smoke also showed no significant relationship. However, factors such as maternal education, parity, place of residence, pregnancy risk, ANC visits, and gestational age at first TTD intake showed significant associations.