Table 8 Quantile regression results of the impact of informal social support on the health poverty vulnerability of the elderly according to the 4589 CNY/year poverty line

Relationship with spouse

0.007

0.011*

0.010*

0.011*

0.012*

0.012*

0.010*

0.007*

0.006*

(0.322)

(0.000)

(0.000)

(0.000)

(0.000)

(0.000)

(0.000)

(0.000)

(0.000)

Relationship with Children

-0.025

-0.005

-0.002

-0.001

-0.001

0.001

-0.001

0.001

0.001

(0.090)

(0.107)

(0.401)

(0.581)

(0.513)

(0.805)

(0.574)

(0.835)

(0.385)

Financial support from children

-1.04e-07

-2.94e-07

-2.06e-07

-2.66e-07

-7.69e-08

-1.55e-07

-1.43e-07

-7.41e-08

-9.63e-08

(0.896)

(0.311)

(0.248)

(0.243)

(0.536)

(0.261)

(0.298)

(0.401)

(0.317)

Sibling support

-0.001

-0.001

-0.001

-0.001

-0.001

-0.001

-0.001

-0.001*

-0.001

(0.826)

(0.096)

(0.289)

(0.291)

(0.103)

(0.303)

(0.141)

(0.021)

(0.796)

Support from other friends and relatives

6.36e-07

-2.32e-07

-1.73e-07

-3.10e-07

-4.85e-07

-4.08e-07

-5.85e-07

-3.85e-07

-4.48e-07*

(0.738)

(0.624)

(0.573)

(0.305)

(0.105)

(0.202)

(0.093)

(0.192)

(0.047)

Borrowing costs

-7.30e-08

-4.28e-08

-3.65e-08

-5.06e-08

-6.34e-08*

-7.64e-08*

-6.91e-08*

-8.03e-08

-5.51e-08

(0.744)

(0.796)

(0.532)

(0.144)

(0.015)

(0.002)

(0.006)

(0.116)

(0.188)

Constant term

(0.000)

(0.000)

(0.000)

(0.000)

(0.000)

(0.000)

(0.000)

(0.000)

(0.000)