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. 2015 Sep 21;15:932. doi: 10.1186/s12889-015-2287-z

Table 6.

Instrumental Variable Regression results for Life expectancy- with interactions

GDP per capita 2.825* (1.695) 2.478 (1.649) 3.048* (1.801) 1.931 (1.632) 3.120* (1.654)
Public Health Expenditure 0.968 (0.744) 0.645 (0.718) 0.718* (0.457) 1.187* (0.696) 1.593** (0.721)
Adult literacy 0.128*** (0.020) 0.108*** (0.020) 0.116*** (0.021) 0.131*** (0.020) 0.113*** (0.020)
Sanitation 0.020 (1.396) 1.398 (1.301) 1.605 (1.343) 1.161 (1.265) 1.617 (1.308)
Government Effectiveness 4.906*** (1.247)
Public Health Expenditure * Government effectiveness −1.427 (0.901)
Regulatory Quality 4.749*** (1.139)
Public Health Expenditure * Regulatory Quality 1.504 (0.941)
Control of Corruption 3.219*** (1.142)
Public Health Expenditure * Control of Corruption 1.946** (0.882)
Rule of Law 5.827*** (1.106)
Public Health Expenditure * Rule of Law 2.009** (0.914)
Voice and Accountability 2.214** (0.943)
Public Health Expenditure * Voice and Accountability 3.080*** (0.769)
Sargan (p-value) 0.441 0.179 0.122 0.215 0.198
Adjusted R-squared 0.33 0.34 0.30 0.37 0.33
F 24.50 25.23 22.02 27.49 24.16
Observations 223 223 223 223 223

Standard errors in parentheses

* p < 0.05, ** p < 0.01, *** p < 0.001