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Table 2 Concentration index of determinants

From: Who benefits most from influenza vaccination policy: a study among the elderly in Beijing, China

Variables

CIk

95 % CI

Age (years)

0.008

0.005

0.010

Gender

−0.013

−0.022

−0.005

Place of residence

−0.0003

−0.010

0.009

Per capita household income (CNY)

0.139

0.126

0.152

Education

   

 ≤ Primary school

−0.059

−0.100

−0.018

 Junior high school

−0.122

−0.164

−0.081

 Secondary school

0.069

0.016

0.123

 Beyond secondary school

0.256

0.197

0.314