Diabetes mellitus type 2 is the most common cases, which is 90% of diabetes mellitus cases. Diabetes mellitus type 2 is a metabolic disorder characterized by high blood sugar levels due to damage to insulin secretion or a lack of insulin receptors so that it is difficult for glucose to enter the cells. College students should be agents of change that can help the government in efforts to prevent non-communicable diseases in Indonesia such as type 2 diabetes mellitus. Factors related to the practice of preventing type 2 diabetes mellitus in students need to be known, so that efforts to prevent diabetes mellitus can be carried out effectively. A study states that the factors related with the practice of preventing diabetes mellitus type 2 are gender and field of study. The aim of this study was to analyze the relationship between gender and field of study with the prevention practice of diabetes mellitus type 2 in Diponegoro University students in Semarang. This study conducted using a quantitative observational study methods with cross-sectional approach. The sample in this study was 407 undergraduate students of Diponegoro University. The sampling technique used in this study is the Nonprobability Sampling technique. This study uses a questionnaire to determine the variables studied. The results of this study showed a significant relationship between gender (p-value= 0.05) and the field of study of respondents (p-value= 0.00) and the practice of preventing diabetes mellitus type 2.

Background: Diabetes mellitus is a non-communicable disease that can be prevented by controlling the risk factors. Diabetes mellitus prevention practice is important so that prevention of type 2 diabetes mellitus can be carried out effectively. There are several factors that cause a person to practice prevention against diabetes mellitus. Objective: This study aims to analyze factors related to the practice of type 2 diabetes mellitus prevention among Diponegoro University students in Semarang. Methods: This is a quantitative study with an observational analytic approach and a cross-sectional study design. The time of research was May-August 2020. The instrument in this study was a google form questionnaire. The population in this study were active undergraduate students of Diponegoro University in 2020, amounting to 36,425 students. The sample size in this study was 407 respondents. The variables of the study were family history of type 2 diabetes mellitus, knowledge level, attitude, family support, and preventive practices of type 2 diabetes mellitus. This study used univariate analysis and bivariate analysis. The relationship test was performed using the chi-square test on a computer application. Results: This study showed there was a significant relationship between family history type 2 diabetes mellitus (0,017), knowledge level (0,00), attitude (0,00), and family support (0,00) for the preventive practices of type 2 diabetes mellitus in students. Conclusion: Family history of type 2 diabetes mellitus, knowledge level, attitude, and family support are factors related to the preventive practices of type 2 diabetes mellitus among students of Diponegoro University in Semarang. There is a need for education and provision of information related to knowledge on diabetes mellitus prevention for students at Diponegoro University, Semarang.