Obesity prevalence and obesity prediction model among Korean men in their 30s and 40s: a 2022 Community Health Survey

Abstract

Abstract Purpose This study aimed to explore general and health-related characteristics according to body mass index (BMI). This study aimed to build a predictive model for BMI in Korean men in their 30s and 40s. Methods Data from 28,388 men aged 30-40 years from the 2022 Community Health Survey wereused. The participants were divided into underweight / normal weight groups (n=14,296, 50.4%) and overweight / obese groups (n=14,092, 49.6%) based on their BMI. Chi-square tests and independent t-tests were used to compare general and health-related characteristics. A prediction model was constructed using decision tree analysis. A split-sample test was conducted to verify the validity of the prediction model. Results The proportions of participants in the underweight / normal and overweight / obese groups were 50.4% and 49.6%, respectively. From the decision tree, the variable of amount of alcohol consumed was the primary factor predicting BMI (chi-square=228.477, p<.001). The characteristics of the group with the highest overweight or obesity rate of 60.6% were that they drank more than seven cups of alcohol at a time, were married, and were sleep-deprived. In contrast, the characteristics of the group with the lowest overweight or obesity rate (38.7%) were that they drank less than six cups of alcohol at a time, got enough or extra sleep time, and smoked less than 15 cigarettes. Conclusions The proportions of participants in the underweight / normal and overweight / obese groups were 50.4% and 49.6%, respectively. From the decision tree, the variable of amount of alcohol consumption was the primary factor predicting BMI. The characteristics of the group with the highest overweight or obesity rate of 60.6% were that they drank more than seven cups of alcohol at a time, were married, and were sleep-deprived. In contrast, the characteristics of the group with the lowest overweight or obesity rate (38.7%) were that they drank less than six cups of alcohol at a time, got enough or over sleep time, and smoked less than 15 cigarettes.