USIA MENARCHE PEREMPUAN INDONESIA SEMAKIN MUDA: HASIL ANALISIS RISKESDAS 2010

Background: A downward trend in age at menarche (AAM) has been leveling-off in industrialized countries. However, downward trends were still observed in developing countries. Objective: The aim was to verify secular trend of AAM among Indonesian women and its associated factors. Methods: Data used were from Baseline Health Research (Riskesdas) 2010, a cross-sectional nationwide survey. Samples included were 79,026 women aged 10-59 years. History of menarche, socio-demographic variables, weight, height were taken. Descriptive and bivariate analysis were applied to measure proportion, central tendency measures. Results: Among adolescent 10-19years, overall proportion of menarche was 78.6%, ranging from 42.8%, 96.2%, 99.6% at age 12, 15, 18 years respectively. The overall mean AAM was 12.96 years. AAM was significantly younger in urban than rural areas. BMI was significantly lower among adolescense not experienced menarche yet than experienced menarche. AAM was younger in urban areas, higher socioeconomic status, and varied among seven regions. Conclusions: Nutritional status was a significant factor associated with AAM. A downward trend in AAM was observed in Indonesian women.