SUMMARY
Young women are one group that has a high risk of anemia. In 2018 the prevalence rate of anemia in adolescent girls in Indonesia was 18.4%, while in Tangerang Regency in 2016 it was 31.9% for junior high school students, while for high school students it was 40.4%, while in SMAN 5 Tangerang Regency was far away. greater, namely in 2018 around 61%, and an increase in anemia in 2019 to 63% of young female students suffering from anemia. The purpose of this study was to determine the factors related to knowledge of anemia in adolescent girls at SMAN 5 Tangerang Regency in 2020. This study was an analytic survey with a cross sectional approach. The research sample was taken using the Stanley Lameshow formula and obtained a sample of 96 with a quota sampling technique. The research instrument used a questionnaire measuring tool. Data analysis used univariate and bivariate analysis with the chi-square test. The results of the univariate analysis showed that out of 96 female adolescents at SMAN 5 Tangerang Regency in 2020, the majority of the roles of good health workers were 67.7%, the role of good teachers was 54.2%, the role of good families was 58.3%, and knowledge of anemia was good at 55.2%. The results of the bivariate analysis with the chi square test showed a significant relationship between the role of health workers (p-value 0.014), the role of teachers (p-value 0.017), and family roles (p-value 0.002) with knowledge of anemia in knowledgeable adolescent girls. In Conclusion, the variable most related to knowledge of anemia in adolescent girls is the role of the family with OR: 4,261. Therefore, it is hoped that young women will further improve the closeness of their relationship with their parents so that they can establish a harmonious relationship, solely for the formation of well-behaved personalities and also to increase knowledge from reliable sources, because no one is more reliable. trusted more than parents or their own family.Keywords: anemia, knowledge, young women