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Table 2 Regression and decomposition results: coefficient, concentration index (C) and proportional contribution

From: Malnutrition and the disproportional burden on the poor: the case of Ghana

Variables

Coefficient

C

Contribution (%)

Contribution (%)

Breastfeeding

0.01

-0.0042

0.54

0.54

Age of child

   

-8.14

   6–12 months

0.22

0.0049

-0.10

 

   > 12 months

0.86

0.0154

-8.04

 

Size of child

   

2.01

   Size large

-0.12

0.0170

0.65

 

   Size small

0.18

-0.0500

0.82

 

   Size very small

0.26

-0.0401

0.54

 

Sex of child

0.23

-0.0101

0.92

0.92

Region

   

23.07

   Upper

-0.59

-0.2123

-8.29

 

   Middle

-0.38

0.1169

10.34

 

   South

-0.52

-0.0425

-6.68

 

   Accra

-0.73

0.4390

27.70

 

Urban

-0.11

0.3153

8.95

8.95

Wealth

   

30.85

   Middle

-0.04

0.1055

1.13

 

   Rich

-0.18

0.7120

29.71

 

Toilet

-0.10

0.1159

6.71

6.71

Water

0.02

0.0690

-0.72

-0.72

Twoplus

0.11

-0.0469

2.41

2.41

Riskintb

0.19

0.0440

-0.66

-0.66

Married

-0.03

0.0180

0.35

0.35

Mother's education

   

5.51

   No or incomplete

0.33

-0.1578

22.99

 

   Primary

0.36

0.1549

-17.48

 

Health services index

   

18.32

   Healthmod

-0.02

-0.0525

-0.20

 

   Healthhigh

-0.32

0.2204

18.52

 

Mother's age at birth

   

1.29

   <20

0.13

-0.1133

1.26

 

   >39

0.00

-0.1035

0.03

 

Mother's occupation

   

2.90

   Prof, tech, man, cler, sales, service

-0.13

0.2194

7.40

 

   Agriculture

-0.07

-0.1884

-4.90

 

   Manual

-0.07

0.0505

0.40

 

Constant

1.03

   

Error

 

-0.0045

5.70

5.70

Total

  

100.00

100.00

  1. The dependent variable in the regression is the (negative) height-for-age z-score (based upon the WHO reference population). Number of observations = 3061, C of dependent variable = -0.079. Bold numbers indicate significance at the 10% level (based upon bootstrapped standard errors).