Association between sodium and potassium intake levels and body compositions of Chinese college students

Background and Objectives: To investigate the relationship between sodium (Na) and potassium (K) nutritional condition and body compositions in youth aiming to give target population reasonable diet recommendations. Methods and Study Design: The cross-sectional study was conducted involving 512 healthy youth aged 18 to 31 years from universities in Beijing. Food frequency questionnaire (FFQ) and bioelectrical impedance analyzer (BIA) were used to collect dietary intake information and body compositions. Results: There was an increasing tendency in fat-related indicators and muscle-related indicators of the dietary Na tertile group (p