Level of Knowledge of Healthy Clean-Living Behavior (PHBS) on Personal Hygiene of Trayu Muhammadiyah Elementary School Students

The problem in this study is that some students of SD Muhammadiyah Trayu still do not know what is Clean Healthy Living Behavior (PHBS), it is proven that some of these students do not maintain personal hygiene. This study aims to determine how high the level of knowledge of students at SD Muhammadiyah Trayu about PHBS. This research is a descriptive study using the survey method. The population in this study were all students totaling 42 students. The sampling technique in this study used total sampling technique, so that all members of the population were selected as research samples. The research instrument was in the form of a written test with multiple choices. The research data analysis technique used descriptive analysis with percentages. The level of knowledge of students at SD Muhammadiyah Trayu about PHBS can be categorized into 3 categories, namely good, sufficient, and lacking. The results showed that as many as 66.7% or 28 students were in the good category; 31.0% or 13 students were in the sufficient category; and 2.4% or 1 student was in the less category.