Analysis of the Influence of Life Expectancy and Per Capita Food Expenditure on the Human Development Index in Central Java, 2023
DOI:
https://doi.org/10.36456/jstat.vol18.no2.a10663Keywords:
Multiple Linear Regression, Human Development Index (HDI), Life Expectancy, Per Capita Food ExpenditureAbstract
This study analyzes the effect of life expectancy and per capita food expenditure in urban areas on the Human Development Index (HDI) in 35 regencies/cities of Central Java Province. A multiple linear regression method was employed to estimate both simultaneous and partial effects, with HDI as the dependent variable and life expectancy and per capita food expenditure as independent variables. The estimation results indicate that both life expectancy and per capita food expenditure significantly affect HDI. Partially, life expectancy has a positive and significant effect on HDI (β = 1.913), while per capita food expenditure has a negative and significant effect (β = -0.384). The negative coefficient suggests that increased food expenditure does not necessarily correspond to higher HDI, which may reflect consumption inefficiency or low nutritional quality of food. The Adjusted R² value of 0.726 indicates that the regression model explains 72.6% of the variation in HDI, with the remainder explained by other factors outside the model. These findings highlight that human development policies in Central Java should focus not only on increasing purchasing power but also on improving health quality and the efficiency of food consumption patterns. The results can serve as a basis for formulating more targeted and sustainable human development policies in Central Java.
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