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Table 4 Comparison of concentration indices for catastrophic costs due to TB care among TBa affected households in China (2017): stratified by region, residence and insurance type (n = 1147)

From: Inequity in catastrophic costs among tuberculosis-affected households in China

Variable

Pre- TB treatment

TB Treatment

TB care (pre-TB treatment and treatment)

Concentration index (95% CI)

Dominance test

Concentration index (95% CI)

Dominance test

Concentration index (95% CI)

Dominance test

Region

 East

−0.281 (− 0.351, − 0.21)

East versus west – non-dominance

−0.37 (− 0.443, − 0.297)

Non-dominance

−0.182 (− 0.224, − 0.141)

Non-dominance

 Middle

− 0.439 (− 0.559, − 0.32)

Middle dominates east as well as westb

−0.32 (− 0.393, − 0.247)

 

−0.228 (− 0.284,-0.172)

 

 West

−0.197 (− 0.281, − 0.113)

 

−0.355 (− 0.438, − 0.272)

 

−0.164 (− 0.212, − 0.114)

 

Residence

 Urban

−0.301 (− 0.410, − 0.191)

Non-dominance

−0.174 (− 0.257, − 0.09)

Rural dominates urbanb

−0.131 (− 0.184, − 0.078)

Non-dominance

 Rural

− 0.237 (− 0.292, − 0.181)

 

−0.383 (− 0.435, − 0.331)

 

−0.179 (− 0.212, − 0.147)

 

Insurance

 NCMS

−0.244 (− 0.297, − 0.192)

Non-dominance

−0.343 (− 0.392, − 0.294)

NCMS dominates non-NCMSb

−0.168 (− 0.199, − 0.138)

Non-dominance

 Non-NCMS

− 0.25 (− 0.415, − 0.085)

 

−0.168 (− 0.280, − 0.055)

 

−0.162 (− 0.233, − 0.091)

 
  1. TB Tuberculosis, CI Confidence interval, NCMS New cooperative medical scheme, Non-NMCS include urban employee basic medical insurance, urban residence basic medical insurance, public service medical insurance and other private medical insurance
  2. aDrug susceptible TB patients - China’s TB patient cost survey (2017)
  3. bStatistically significant