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Table 11 Decomposition Analyses of CHE Concentration Index in Nigeria

From: Exploring dynamics in catastrophic health care expenditure in Nigeria

Variables

Wave 1 (2010/2011)

Wave 2 (2012/2013)

Wave 3 (2015/2016)

Coefficient

Mean

Elasticity

Concentration Index (C)

Contribution to C

Contribution to C (%)

Coefficient

Mean

Elasticity

Concentration Index (C)

Contribution to C

Contribution to C (%)

Coefficient

Mean

Elasticity

Concentration Index (C)

Contribution to C

Contribution to C (%)

Economic Status

 Poorest

                 

 Second

−0.0110

0.2037

−0.0914

− 0.3234

0.0295

 

− 0.0199

0.1945

− 0.1705

− 0.2978

0.0508

 

− 0.0713

0.1986

− 0.2654

− 0.3845

0.1020

 

 Middle

− 0.0519

0.1924

− 0.4055

0.1043

− 0.0423

 

− 0.0294

0.2020

− 0.2611

0.0565

− 0.0147

 

− 0.0716

0.1980

− 0.2669

0.0177

− 0.0047

 

 Fourth

− 0.0388

0.2023

− 0.3184

0.4070

− 0.1296

 

− 0.0348

0.2058

− 0.3151

0.4202

− 0.1324

 

− 0.1070

0.1979

− 0.3968

0.4605

− 0.1827

 

 Richest

− 0.0503

0.1933

− 0.3949

0.7560

− 0.2886

80%

− 0.0366

0.1992

− 0.3201

0.7476

− 0.2393

79%

− 0.1246

0.2036

− 0.4740

0.7127

−0.3385

92%

Zone

 North

                  

 South

0.0189

0.4555

0.3500

0.0160

0.0056

−3%

− 0.0112

0.4455

− 0.2196

0.0110

− 0.0024

1%

0.0741

0.4380

0.6084

0.0239

0.0145

−7%

Sector

 Rural

                  

 Urban

0.0122

0.2948

0.1461

−0.0334

−0.0049

2%

− 0.0149

0.2755

− 0.1802

0.1299

− 0.0334

14%

− 0.0070

0.2665

− 0.0131

0.0742

− 0.0026

1%

HHsize

  < 5 members

                  

  > 5 members

−0.0044

0.4586

−0.0823

− 0.0078

0.0006

− 0%

−0.0161

0.6447

−0.4560

0.0350

−0.0164

9%

0.0022

0.8977

0.0386

0.0040

0.0002

−0%

Gender

 Female

                  

 Male

0.0070

0.4917

0.1398

0.0119

0.0017

−1%

0.0034

0.4834

0.0712

−0.0041

−0.0003

0%

−0.0101

0.4790

−0.0908

−0.0122

0.0011

− 0%

Education

 No

                  

 Nursery & primary

−0.0125

0.1939

−0.0985

−0.0472

0.0047

 

0.0216

0.4564

0.4323

0.0254

0.0109

 

−0.0016

0.4445

−0.0135

0.0023

−0.0000

 

 Secondary

−0.0139

0.0738

−0.0416

−0.0476

0.0010

 

0.0067

0.3873

0.2835

−0.0371

− 0.0059

 

0.0027

0.3649

0.0191

0.0056

0.0001

 

 Post-secondary

0.0135

0.1310

0.0723

−0.0577

− 0.0042

− 0%

0.0261

0.1462

0.1677

0.0197

0.0033

− 0%

0.0402

0.1729

0.1304

0.0106

0.0014

0%

Employment status

 Unemployed

                  

 Employed

− 0.0113

0.2116

− 0.0978

− 0.0395

0.0039

−2%

0.0225

0.2053

0.2033

0.0153

0.0031

−2%

0.0556

0.2027

0.2112

0.0590

0.0127

−6%

Bednet

 No

                  

 Yes

− 0.0182

0.3616

−0.2674

0.0040

− 0.0011

0.5%

− 0.0067

0.3102

− 0.0909

− 0.0269

0.0024

−1%

0.0118

0.2595

0.0573

− 0.0255

− 0.0024

1%

Hospitalized

 No

                  

 Yes

−0.0162

0.0247

−0.0162

0.0136

− 0.0002

0.1%

− 0.0175

0.0230

− 0.0184

− 0.1251

0.0023

−1%

0.0176

0.0191

0.0062

0.1055

0.0007

− 0%

Insurance

 Uninsured

                  

 Insured

−0.0201

0.0567

−0.0463

0.3220

−0.0149

7%

0.0254

0.0248

0.0277

−0.2878

− 0.0070

5%

− 0.0390

0.0092

− 0.0067

0.0242

− 0.0002

0%

Elderly

 No

                  

 Yes

0.0324

0.1336

0.1758

0.0283

0.0040

−2%

− 0.0068

0.1790

− 0.0532

− 0.0405

0.0021

−1%

0.0057

0.3450

0.0371

0.0170

0.0007

− 0%

 CI Ln Odds of CHE

  

−0.4348

   

−0.3769

   

−0.3977

 

 Mean of Ln Odds of CHE

0.0246

   

0.0228

   

0.0534

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