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Table 3

Summary of OLS regression results

VariableCoefficientStdErrort-StatisticProbabilityRobust_SERobust_tRobust_PrVIF
Intercept 226.063552 8.725016 25.909816 0.000000* 8.446455 26.764312 0.000000* ——– 
Slope percent −2.886708 0.822893 −3.508001 0.000605*** 0.687223 −4.200543 0.000049* 1.263637 
Population density 0.044287 0.018471 2.397651 0.017713** 0.028513 1.553246 0.122468 1.073331 
Distance from SR −0.007133 0.003596 −1.983682 0.049101* 0.003538 −2.016158 0.045552* 1.103128 
Supply hour −7.266441 1.833945 −3.962191 0.000120*** 1.330567 −5.461162 0.000000* 1.222425 
VariableCoefficientStdErrort-StatisticProbabilityRobust_SERobust_tRobust_PrVIF
Intercept 226.063552 8.725016 25.909816 0.000000* 8.446455 26.764312 0.000000* ——– 
Slope percent −2.886708 0.822893 −3.508001 0.000605*** 0.687223 −4.200543 0.000049* 1.263637 
Population density 0.044287 0.018471 2.397651 0.017713** 0.028513 1.553246 0.122468 1.073331 
Distance from SR −0.007133 0.003596 −1.983682 0.049101* 0.003538 −2.016158 0.045552* 1.103128 
Supply hour −7.266441 1.833945 −3.962191 0.000120*** 1.330567 −5.461162 0.000000* 1.222425 

Dependent variable=amount of water supply. ***Indicates statistically significant at 99% confidence level; **Indicates statistically significant at 95% confidence level; *Indicates statistically significant at 90% confidence level.

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