Sam Ratulangi Journal of Public Health Volume 1 Nomor 1, March 2020 Penerbit: Program Studi Magister Ilmu Kesehatan Masyarakat, Program Pascasarjana, Universitas Sam Ratulangi Indonesian Journal of Public Health and Community Medicine is indexed by Google Scholar and licensed under a Creative Commons Attribution 4.0 International License. 15 Determinan Status Imunisasi Dasar Pada Anak Balita 12-59 Bulan di Indonesia Revita Virgini Mappadang 1 , F. L. Fredrik G. Langi 2 , dan Odi Roni Pinontoan 2 1. Program Studi Ilmu Kesehatan Masyarakat, Program Pascasarjana Universitas Sam Ratulangi 2. Fakultas Kesehatan Masyarakat Universitas Sam Ratulangi E-mail: revita_virgini@yahoo.com Abstract Background: Immunization comes from the word "immune" meaning immunity. Immunization means being immunize, giving passive immunity (given antibodies) to the baby. The Indonesian Demographic Health Survey (IDHS) in 2017 shows that the achievement of complete basic immunization has not yet reached the government's target of 92%. This research aims to study the determinants of age of child, sex of child, age of mother, number of live children, level of mother’s education, residence and antenatal care with immunization. Method: This research was a quantitative with a cross sectional study design. The data used were secondary taken from 2017 IDHS data conducted in 34 provinces in Indonesia with a total sample of 9,424 children under five. Data were processed and analyzed in a univariate, bivariate, and multivariate manner using the chi square test. Result: highschool education (p= <0,001, AOR 0,757); number of children more than two (p=<0,001, AOR 0,728); and village residence (p=0,007, AOR 0,868) reduces odds ratio. Conclusion: the level of mother’s education, number of live children and residence are the determinants Kata Kunci: Immunization; IDHS PENDAHULUAN Imunisasi adalah suatu cara untuk meningkatkan kekebalan seseorang secara aktif terhadap suatu penyakit. Data World Health Organization (WHO) 2014 menunjukkan bahwa terdapat kematian anak sebesar 1,5 juta di dunia yang sebenarnya dapat dicegah dengan imunisasi dan di beberapa negara angka imunisasi kurang dari 56% (WHO, 2014). Selain itu, imunisasi juga bisa mencegah terjadinya beberapa jenis penyakit seperti diare (Sumampouw, 2017). Survey Demografi Kesehatan Indonesia (SDKI) tahun 2017 menunjukkan cakupan imunisasi dasar lengkap di Indonesia meningkat dibandingkan dengan capaian imunisasi pada tahun 2012. Cakupan Imunisasi campak meningkat menjadi 87% pada SDKI 2017 dibandingkan pada SDKI 2012 sebesar 80%. Imunisasi Polio menjadi 83%