Résumé
Objective:To analyze the influencing factors for health expenditure per capital in China,solved the correlation problem occurred in linear regression.Methods:Principle Component Analysis was generated by using data of health expenditure per capital as well as GDP per capital,disposable income per capital,urbanization,aging of population,infant mortality rate,number of medical practitioners and beds per 1 000 people from year 1990 to 2014.Results:Explanatory variables all significantly affected health expenditure per capita.GDP per capita,disposable income per capita,number of medical practitioners and beds per 1 000 people positively influenced health expenditure per capita.While infant mortality rate,urbanization and aging of population negatively affected health expenditure per capita.Conclusion:Single factor had no impact on health expenditure per capital.The rise of health expenditure per capital was resulted by multiple factors.