Table 6 Heterogeneity analysis (grouping by age)

Dependent variable

Matching method

Under 70 years old

70 years old and above

ATT

SE

ATT

SE

Negative emotion

Nearest matching

-1.283*

0.653

-0.647***

0.322

Radius matching

-0.670*

0.497

-0.593***

0.244

Kernel matching

-1.060***

0.479

-0.703***

0.240

Positive emotion

Nearest matching

0.492**

0.280

0.480***

0.123

Radius matching

0.460***

0.230

0.407***

0.091

Kernel matching

0.561***

0.205

0.422***

0.090

Self-rated health

Nearest matching

0.098*

0.129

0.046**

0.058

Radius matching

0.152*

0.089

0.061***

0.044

Kernel matching

0.164*

0.086

0.082*

0.044

Health satisfaction

Nearest matching

0.142*

0.099

0.032*

0.047

Radius matching

0.078*

0.083

0.004*

0.036

Kernel matching

0.086*

0.081

0.011*

0.036