Abstract
The prevalence of metabolic syndrome in adolescents is increasing. Recently, the relevance of grip strength as a factor of metabolic syndrome in this population has raised questions. This study investigated the prevalence of metabolic syndrome according to grip strength in children and adolescents using large-scale data from the Korean National Health and Nutrition Survey (KNHNS). From 2014 to 2018, 1527 boys and 1292 girls participated in the KNHNS. The participants were classified into three groups according to age: 10–12 years (early teenager, ET), 13–15 years (middle teenager, MT), and 16–18 years (late teenager, LT). The participants were classified as having metabolic syndrome if they fulfilled three of the adolescent metabolic syndrome criteria. The grip strength was divided into groups with high and low grip strength, respectively, and the cutoff value for the prevalence was calculated using receiver operating characteristic curve analysis. There were significant differences in waist circumference, high-density lipoprotein cholesterol, and triglyceride levels based on grip strength in the ET, MT, and LT groups. Therefore, the prevalence of metabolic syndrome was lower when grip strength was higher. The cut-off values of the relative grip strength (kg/body weight) to predict metabolic syndrome among boys were 0.349, 0.466, and 0.485 for the ET, MT, and LT groups, respectively. The corresponding cut-off values for girls were 0.373, 0.383, and 0.382, respectively. In conclusion, there is a non-linear relationship between grip strength and metabolic syndrome in adolescents.
Highlights
Metabolic syndrome (MetS) refers to abnormal metabolic function and includes factors such as high blood pressure (BP), diabetes, low high-density lipoprotein cholesterol (HDL-C), and high triglyceride (TG) levels
MetS is a major problem in adolescents because the MetS that occurs during childhood and adolescence often persists in adulthood [6]
The patients were classified according to sex and age, and there were significant differences in height, weight, body mass index (BMI), absolute grip strength, and relative grip strength between the age body mass index (BMI), absolute grip strength, and relative grip strength between the groups
Summary
Metabolic syndrome (MetS) refers to abnormal metabolic function and includes factors such as high blood pressure (BP), diabetes, low high-density lipoprotein cholesterol (HDL-C), and high triglyceride (TG) levels. MetS is closely related to the occurrence of cardiovascular disease [1]. The incidence of MetS is increasing worldwide. The age at onset is decreasing, and it has become common among adolescents [2,3]. The incidence of MetS in South Korea is reported to be 20–30% in adults and 3.9–7.1% in adolescents [4,5]. MetS is a major problem in adolescents because the MetS that occurs during childhood and adolescence often persists in adulthood [6]
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