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Table 7 Effects on occurrence of catastrophic health expenditure at 40% thresholds by different matching strategies

From: The effect of the health poverty alleviation project on financial risk protection for rural residents: evidence from Chishui City, China

Variables

Occurrence of catastrophic health expenditure

1:1 nearest without replacement

1:4 nearest

Radius

Kernel

Post×Treatment

−0.034***

−0.037***

−0.037***

−0.033***

(0.002)

(0.002)

(0.002)

(0.002)

Post

−0.012***

−0.009***

− 0.012***

−0.012***

(0.001)

(0.001)

(0.001)

(0.001)

Treatment

0.033***

0.035***

0.033***

0.033***

(0.002)

(0.002)

(0.002)

(0.002)

Control variables

Yes

Yes

Yes

Yes

R 2

0.210

0.200

0.195

0.194

Observations

60,880

136,544

239,904

239,912

  1. Notes: (1) *** denotes p < 0.01, ** denotes p < 0.05
  2. (2) Robust standard errors in parentheses
  3. (3) The control variables include residential areas, household size, numbers of elderly members, males and children per household, number of diseases in each ICD-10-CM chapter per household, and annual inpatient and outpatient visits in each types of institutions per household