Main Article Content
The research aimed to (1) investigate the survival function, median survival time and hazard rate (2) causal variables affecting drop out rate of student’s in Chaiyaphum Rajabhat University (CPRU). The variables in this study included gender, age, family status, parents’ occupation, parents’ salary, location of junior high schools, student’s GPA junior high schools and grade point average of last semester. The sample consisted of 195 undergraduate student’s in academic year 2012, selected by purposive sampling. The results revealed that (1) from life table, the highest risk period of 0.099 and survival time of 90.10% occurred in the second semester of academic year 2012. The median survival time was the second semester of academic year 2017 (2) the results analysis the Cox regression as find as three variables influenced the drop out including, parents’ salary, location of junior high school, and grade point average of last semester.