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Table 2 Decomposition results for cigarette smoking prevalence and intensity

From: Decomposition of socioeconomic inequalities in cigarette smoking: the case of Namibia

 

Smoking prevalence

Smoking intensity

 

Elasticity

Concentration Index

Contribution

Elasticity

Concentration Index

Contribution

Variable

Coefficient

Std.Error

Coefficient

Std.Error

Coefficient

Std.Error

Coefficient

Std.Error

Coefficient

Std.Error

Coefficient

Std.Error

Age

0.297a

0.114

0.001

0.003

< 0.001

0.001

0.569a

0.189

0.001a

0.003

0.001

0.002

Male

0.601a

0.025

−0.004

0.015

−0.003

0.009

0.608a

0.037

−0.004a

0.014

−0.003

0.009

Married

0.117a

0.032

0.041a

0.014

0.005b

0.002

0.126b

0.051

0.041a

0.014

0.005c

0.003

Widowed/divorced

0.002

0.008

−0.048a

0.007

0.000

0.000

0.018

0.014

−0.048a

0.007

−0.001

0.001

Primary school

−0.042

0.031

−0.294a

0.011

0.012

0.009

0.027

0.033

−0.294a

0.010

−0.008

0.010

At least secondary school

−0.261a

0.096

0.424a

0.011

−0.111a

0.040

0.010

0.101

0.424a

0.011

0.004

0.043

Urban

0.162a

0.042

0.684a

0.009

0.110a

0.029

0.084

0.058

0.684a

0.009

0.058

0.040

Quintile 2

0.024

0.019

−0.375a

0.010

−0.009

0.007

0.043c

0.022

−0.375a

0.010

−0.016c

0.008

Quintile 3

−0.008

0.021

−0.105a

0.009

0.001

0.002

0.006

0.024

−0.105a

0.009

−0.001

0.003

Quintile 4

0.056b

0.027

0.295a

0.011

0.017b

0.008

0.117a

0.036

0.295a

0.011

0.035a

0.011

Quintile 5

0.040

0.030

0.700a

0.012

0.028

0.021

0.155a

0.042

0.700a

0.012

0.109a

0.030

Region

−0.496a

0.127

0.074a

0.005

− 0.037b

0.010

− 0.350b

0.169

0.074a

0.005

−0.026b

0.013

Residual

    

0.002

0.036

    

−0.047

0.045

Overall

  

0.021b

0.010

    

0.135a

0.032

  
  1. Note: Estimates are weighted; EC computed for all dummy variables; bootstrapped standard errors with 1000 replications; “Overall” represents the concentration index of smoking prevalence or intensity; a, b and c indicate significance at the 1, 5 and 10% levels, respectively