Table 3 Regression results of elderly support expenditure on different types of consumption

pod

−0.3826^c (− 5.64)

−0.30464^c (− 9.88)

−0.3637^c (− 5.59)

−0.5008^b (− 2.03)

−0.2537^c (− 5.26)

2.5472^c (10.96)

pcai

−0.00003 (− 0.02)

0.0023^c (2.74)

−0.0061^c (− 3.15)

−0.0051^c (− 7.67)

0.0061^c (4.76)

0.0028^c (4.52)

scale

−0.0076^c (− 3.22)

−0.0075^c (− 6.64)

0.0083^c (3.70)

0.0024^c (2.68)

− 0.0007 (− 0.48)

0.0051 (5.96)

gen

0.0022 (0.27)

0.0059^b (1.75)

−0.0092 (− 1.21)

− 0.0074^c (− 2.73)

0.007 (1.41)

0.0015 (0.58)

mar

0.0024 (0.31)

0.0072^a (1.82)

0.0007 (0.1)

−0.0025 (− 0.79)

−0.0031 (− 0.69)

−0.0047 (− 1.57)

house

−0.0092 (− 1.26)

−0.0075^c (− 2.78)

−0.0216^c (− 3.29)

−0.0077^c (− 3.56)

0.0308^c (6.00)

0.0152^c (7.49)

old

−0.182^c (− 5.27)

0.0052^b (2.39)

0.0249^c (7.81)

0.0107^c (6.16)

−0.0067^c (− 3.00)

− 0.0158^c (− 9.72)

Intercept term

0.6944^c (30.42)

0.7447^c (61.68)

0.2785^c (12.26)

0.3011^c (31.1)

−0.0074 (− 0.5)

−0.0457^b (−5.02)

Instrument variable

Weak IV test

–

128.915

–

128.915

–

128.915

Sargan P-value

–

0.5102

–

0.2570

–

0.7394

Sample size

27,264

27,264

27,264

27,264

27,264

27,264