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Table 4 Decomposing the change in catastrophic health expenditure at 10% threshold

From: Changes in catastrophic health expenditure in post-conflict Sierra Leone: an Oaxaca-blinder decomposition analysis

Aggregate Decomposition    
  Mean      
 CHE 2011 32.0***      
 CHE 2003 50.1***      
 CHE gap −18.1***      
Contribution Mean Percent     
 Distributional Effect −14.0*** 77%     
 Coefficient Effect −6.65*** 37%     
 Interaction 2.56 −14%     
Detailed Decomposition    
  Distributional Effect Coefficient Effect Interaction Effect
Contribution Mean Percent Mean Percent Mean Percent
 Below median expenditure −0.61 4% −1.91 29% 0.473 18%
 Married 0.194 −1% −7.56† 114% −0.247 −10%
 Age (years) −0.509 4% −33.6 505% 1.51 59%
 Age squared 0.356 −3% 17.1 −257% −1.33 −52%
 Male 0.0966 −1% 2.61 −39% −0.172 −7%
 Muslim 0.201 −1% −2.63 40% −0.222 −9%
 No education −0.004 0% 0.904 −14% 0.014 1%
 Unemployed adults −0.355 3% 1.17 −18% 0.276 11%
 Rural area 0.0404 0% 0.129 −2% 0.0134 1%
 Region −1.14** 8% 1.25** −19% −0.427 −17%
 Log household size −0.42 3% −2.9 44% 0.049 2%
 Children under 5 years 0.24 −2% −0.057 1% 0.0146 1%
 Adults over 65 years −0.067 0% −0.017 0% 0.0021 0%
 Ill health −10.5*** 75% −6.96** 105% 3.62** 141%
 Formal Public 0.234 −2% 2.35*** −35% 0.132 5%
 Formal NGO & Missionary −0.384** 3% 0.741** −11% −0.515** −20%
 Formal Private −2.01*** 14% 1.02 −15% −0.671 −26%
 Informal Private 0.240† −2% −0.05 1% −0.028 −1%
 Public Hospital 0.314† −2% 0.189 −3% 0.169 7%
 Private Hospital 0.0613 0% −0.131† 2% −0.102 −4%
 Constant    21.8 −328%   
Total −14.0*** 100% −6.65*** 100% 2.56 100%
Observations 4686   4686   4686  
  1. † p < 0.1, ** p < 0.05, *** p < 0.01
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International Journal for Equity in Health

ISSN: 1475-9276

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