Correlation between flat feet and body mass index in primary school students

Abstract

Body mass index is one of the indicators used to detect body weight and nutritional status. Excessive weight in children can affect the occurrence of flat feet compared with children who have normal weight. Flat feet is a foot structure disorder that does not form the medial arch. The aim of this research is to know the relationship between body mass index and flat feet in elementary school children at Xaverius 1 Palembang. This is an analytical-observational research with a cross-sectional design. The subjects of this research are 70 students of elementary school at Xaverius 1 Palembang and collected by using stratified random sampling proportionally. The research was conducted in October 2017. Data analysis was performed by Chi-Square test on SPSS application. The category of body mass index was classified into overweight/obese and not-overweight. In the category of overweight/obese, there are 24 (80%) people were positive flat feet and 6 (20%) normal people. In the category of not-overweight, there are 7 (17.5%) people were positive flat feet and 33 (82.5%) normal people. The result of the bivariate analysis showed that there was a significant relationship between body mass index and flat feet (p = 0,000) with PR value of 4.571, that is overweight/obese people risk 4.5 times for flat feet compared to people who were notoverweight.