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Table 1 Decomposition of the Change in the Concentration Index for Mental Health Disorders (2014–18)

From: A light of hope? Inequalities in mental health before and after the peace agreement in Colombia: a decomposition analysis

  Decomposition of change in concentration index - Oaxaca type approach
Equation (5) Equation (6) Total Total
ΔCη ΔηC ΔCη ΔηC Total1 % Total2 %
Displaced
 No Baseline   
 Si 0.005** 0.007 0.006** 0.006 0.012 8% 0.013 9%
Age group
 18–44 years Baseline   
 45–64 years 0.000 −0.010 − 0.001 − 0.009 − 0.010 −7% − 0.010 −7%
 65 or more 0.000 − 0.002** 0.001 − 0.003** −0.002 −1% − 0.002 − 1%
Sex
 Male Baseline   
 Female 0.007 0.007** 0.006 0.009** 0.014 10% 0.015 10%
Zone of residence
 Urban Baseline   
 Rural 0.007* 0.015 0.004 0.018 0.022 15% 0.023 16%
Work type
 Formal Baseline   
 Informal −0.008 0.067 0.005 0.053 0.059 42% 0.059 41%
 Out of labor force 0.002 −0.002 0.001 −0.001 0.000 0% −0.000 0%
Conflict level
 Capital city Baseline   
 Highly affected 0.001 0.021* 0.000 0.022* 0.022 15% 0.022 15%
 No conflict −0.000 − 0.012 0.000 − 0.013 − 0.012 −8% − 0.012 − 8%
 Lowly affected − 0.003 0.037* 0.007 0.026* 0.034 24% 0.034 23%
Ethnicity
Majority Baseline   
Minoriy 0.000 −0.000 −0.000 − 0.000 0.000 0% −0.000 0%
Education
 None −0.000 0.001 0.001 0.001 0.001 1% 0.001 1%
 Primary School 0.004 −0.015 −0.014 −0.011 − 0.011 −8% −0.011 −8%
 Secondary School −0.001* 0.011 0.008* 0.010 0.010 7% 0.010 7%
 Undergraduate Baseline   
WHODAS 0.010 −0.007** −0.005 0.003** 0.003 2% 0.003 2%
Residual         
Total 0.024 0.118 0.019 0.111 0.142   0.145  
  1. Source: Own analysis based on CONPAS 2014 and 2018
  2. Abbreviations: WHODAS World Health Organization Disability Assessment Schedule
  3. (Note: *p-value<=0.5, **p-value<=0.01)