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. 2021 Mar 11;76(8):1691–1696. doi: 10.1093/geronb/gbab043

Table 3.

Random effects Models Among Older People With Limitations in China

Receiving informal carea Intensity of informal careb
Variables Model 1 Model 2 Model 3 Model 4
LN (income) 0.979 (0.064) 1.062 (0.107) 0.019 (0.009)** 0.018 (0.009)**
Limitations in ADLs 2.049 (0.241)*** 2.084 (0.254)*** 0.237 (0.007)*** 0.239 (0.007)***
LN (income) × Limitations in ADLs 1.055 (0.058) 0.017 (0.004)***
Needs-related variables
 Age 1.049 (0.013)*** 1.049 (0.013)*** 0.011 (0.002)*** 0.010 (0.002)***
 Male 1.393 (0.305) 1.392 (0.305) −0.017 (0.029) −0.016 (0.029)
 Self-rated health
  Bad Ref Ref Ref Ref
  Fair 1.045 (0.263) 1.046 (0.264) 0.002 (0.033) 0.004 (0.033)
  Good 1.152 (0.307) 1.161 (0.309) 0.029 (0.035) 0.032 (0.035)
 Number of chronic diseases 1.111 (0.081) 1.112 (0.081) 0.029 (0.009)*** 0.029 (0.009)***
 Cognitive function scores 0.986 (0.012) 0.985 (0.012) −0.009 (0.001)*** −0.009 (0.001)***
Variables not related to needs
 Education attainment
  No education Ref Ref Ref Ref
  Elementary school 1.191 (0.364) 1.194 (0.365) −0.050 (0.039) −0.048 (0.039)
  Middle school and above 1.438 (1.046) 1.442 (1.049) 0.007 (0.082) 0.012 (0.082)
 Marital status
  Married Ref Ref Ref Ref
  Widowed 1.276 (0.357) 1.272 (0.355) 0.235 (0.041)*** 0.235 (0.041)***
  Other 0.308 (0.154)** 0.304 (0.152)** 0.463 (0.118)*** 0.462 (0.118)***
 Residence
  City Ref Ref Ref Ref
  Town 1.437 (0.437) 1.441 (0.439) −0.334 (0.037)*** −0.334 (0.037)***
  Rural 1.000 (0.240) 1.000 (0.241) −0.281 (0.032)*** −0.282 (0.032)***
 Coresidence with family members
  No Ref Ref Ref Ref
  Yes 2.539 (0.651)*** 2.516 (0.646)*** 0.199 (0.050)*** 0.191 (0.050)***
 Number of surviving children 1.010 (0.052) 1.010 (0.052) 0.007 (0.007) 0.007 (0.006)
 Financial assistance from children
  No Ref Ref Ref Ref
  Yes 1.064 (0.284) 1.055 (0.282) 0.023 (0.035) 0.025 (0.035)
 Living in the community with care services
  No Ref Ref Ref Ref
  Yes 0.992 (0.251) 0.991 (0.251) −0.060 (0.032)* −0.060 (0.032)*
 Year
  2005 Ref Ref Ref Ref
  2008 1.077 (0.279) 1.081 (0.279) 0.072 (0.033)** 0.075 (0.033)**
  2011 1.075 (0.305) 1.079 (0.307) −0.017 (0.039) −0.015 (0.039)
  2014 1.086 (0.364) 1.094 (0.367) 0.009 (0.046) 0.011 (0.046)
 _cons 0.081 (0.107) 0.146 (0.216) 2.168 (0.179)*** 2.173 (0.179)***
N 11,158 11,158 10,203 10,203

Note: Ref = reference; ADL = activities of daily living; _cons, the constant in the regression; LN, natural logarithm of a number.

aModels 1 and 2 are results of receiving informal care from random effects multinomial logistic regression models. The reference category is receiving no care. Results of receiving formal care are given in Supplementary Table 3. Values in the cells represent odds ratio (standard error).

bModels 3 and 4 are results of random effects linear regression models. Values in the cells represent coefficient (standard error).

***p < .01, **p < .05, *p < .1.