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Table 2 Effects of user fee removal policy on selected health outcomes

From: Effects of the free healthcare policy on maternal and child health in Burkina Faso: a nationwide evaluation using interrupted time-series analysis

 

Model 1

 

Model 2

IRR

95% CI

 

IRR

95% CI

Intra-hospital infant deaths

     

 Constant\({\beta }_{0}\)

6.600***

(5.484–7.942)

 

6.600***

(2.983–14.60)

 Secular trend\({\beta }_{1}\)

0.990***

(0.989–0.991)

 

0.990***

(0.986–0.994)

 Change in level\({\beta }_{2}\)

0.314***

(0.203–0.486)

 

0.314

(0.044–2.211)

 Change in trend\({\beta }_{3}\)

1.018***

(1.014–1.023)

 

1.018**

(1.000-1.037)

 Distance effect modification

0.644***

(0.567–0.731)

 

0.644

(0.347–1.195)

 Health personnel effect modification

0.711***

(0.600-0.843)

 

0.711

(0.426–1.186)

 Security effect modification

1.090**

(1.026–1.158)

 

1.090

(0.753–1.577)

Mortality from severe malaria in children under five years

     

 Constant\({\beta }_{0}\)

1.000***

(1.000–1.000)

 

1.000***

(1.000–1.000)

 Secular trend\({\beta }_{1}\)

0.991***

(0.990–0.992)

 

0.991***

(0.987–0.994)

 Change in level\({\beta }_{2}\)

0.074***

(0.041–0.133)

 

0.074**

(0.011–0.472)

 Change in trend\({\beta }_{3}\)

1.032***

(1.027–1.038)

 

1.032***

(1.013–1.052)

 Distance effect modification

0.706***

(0.595–0.837)

 

0.706

(0.456–1.092)

 Health personnel effect modification

0.461***

(0.376–0.563)

 

0.462**

(0.239–0.889)

 Security effect modification

0.934*

(0.865–1.008)

 

0.934

(0.663–1.315)

  1. Model 1 = before correction of heteroscedasticity and autocorrelation
  2. Model 2 = after correction of heteroscedasticity and autocorrelation
  3. IRR = Incidence rate ratio
  4. Significance level: *** p < 0.01; ** p < 0.05; * p < 0.10