Phân tích hành vi sử dụng dịch vụ khám chữa bệnh bảo hiểm y tế của người dân tộc Dao Việt Nam

This study was conducted on second data analysis using results of Vietnam Living Standard Surveys (VLSS) from 2004 to 2012. Methods: Simple linear regression model, t test, p value, forcasting by moving average model with MAE (Mean Absolute Error), MSE (Mean Squared Error) and MAPE (mean Absolute Percentage Error). Results: No time trend of health expenditures and no time trend of health servive used rate (p0.05) with MAE = 43.2; MSE = 4891.1; MAPE = 10.09. Health service use rate of Dao ethnic minority variant from 21.6 to 25.8 percent with MAE = 1.35; MSE = 3.84 and MAPE = 5.6. Dao ethnic minority used health service at Commune Health Station (CHS) from two to four times higher than Kinh ethnic majority.