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Table 4 Estimates of decomposition analysis for the contribution of various explanatory variables for anaemia among men in India, 2015–16

From: Socio-economic inequality in anaemia among men in India: a study based on cross-sectional data

Background Characteristics

Coefficient

Elasticity

CI

Absolute contribution to CI

Percentage contribution

%

Men’s age (in years)

 15–19(Ref.)

0.4

  20–29

− 0.360***

− 0.020

0.010

0.000

0.7

  30–39

− 0.240***

−0.012

− 0.002

0.000

− 0.1

  40–49

− 0.042

− 0.003

0.016

0.000

0.2

  50–54

0.179***

0.003

0.043

0.000

−0.4

Marital status

 Never married (Ref.)

0.0

  Currently married

−0.013

0.001

−0.013

0.000

0.0

Educational level

  No Education (Ref.)

14.6

  Primary

−0.102***

− 0.003

− 0.278

0.001

−3.3

  Secondary

−0.184***

−0.019

0.030

−0.001

2.0

  Higher

−0.349***

−0.010

0.440

−0.005

15.8

Mass media

  No exposure (Ref.)

2.7

  Exposure

−0.068***

−0.014

0.054

−0.001

2.7

Body Mass Index

  Underweight (< 18.5 kg/m2)

0.411***

0.016

−0.219

−0.003

11.9

17.8

  Normal (18.5–24.99 kg/m2)(Ref.)

  Overweight (≥25 kg/m2)

−0.222***

−0.006

0.309

−0.002

5.9

Tobacco use (smoke/smokeless)

  No (Ref.)

−2.2

  Yes

−0.079***

−0.004

− 0.149

0.001

−2.2

Caste

  Scheduled caste

−0.036

0.001

−0.157

0.000

0.3

8.6

  Scheduled tribe

0.283***

0.006

−0.420

− 0.002

8.4

  Other backward class

−0.036*

0.001

0.014

0.000

−0.1

  Others (Ref.)

Religion

  Hindu (Ref.)

−0.4

  Muslim

−0.130***

− 0.003

0.038

0.000

0.3

  Others

−0.033

0.001

0.229

0.000

−0.7

Wealth index

 Poorest (Ref.)

25.1

  Poorer

−0.107***

−0.003

− 0.512

0.002

−5.9

  Middle

−0.187***

−0.006

− 0.110

0.001

−2.4

  Richer

−0.253***

−0.008

0.323

−0.003

8.8

  Richest

−0.287***

−0.009

0.772

−0.007

24.6

Place of residence

 Urban (Ref.)

12.6

  Rural

0.115***

0.016

−0.230

−0.004

12.6

Region

 North (Ref.)

20.9

  Central

0.012

0.003

−0.161

−0.001

1.9

  East

0.334***

0.015

−0.339

−0.005

17.9

  Northeast

−0.294***

0.000

−0.253

0.000

0.4

  West

−0.134***

−0.002

0.156

0.000

1.1

  South

−0.070**

0.001

0.186

0.000

−0.3

  Calculated CI

   

−0.029

  

  Actual CI

   

−0.121

  

  Residual

   

−0.092

  
  1. CI: concentration Index; Ref: Reference category; ***p < 0.001; **p < 0.05; *p < 0.10; %: percentage
  2. €North: Chandigarh, Haryana, Himachal Pradesh, Jammu & Kashmir, Delhi, Punjab, Rajasthan, Uttarakhand; Central: Chhattisgarh, Madhya Pradesh, Uttar Pradesh; East: Bihar, Jharkhand, Odisha, West Bengal; Northeast: Arunachal Pradesh, Assam, Manipur, Meghalaya, Mizoram, Nagaland, Sikkim, Tripura; West: Dadra & Nagar Haveli, Daman & Diu, Goa, Gujarat, Maharashtra; South: Andaman & Nicobar Islands, Andhra Pradesh, Karnataka, Kerala, Lakshadweep, Puducherry, Tamil Nadu, Telangana