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Table 4 Multivariate analysis of associated factor with WTP and WTA

From: Willingness-to-pay and willingness-to-accept of informal caregivers of dependent elderly people in Shanghai, China

  β coefficient 95% CI β coefficient SE Standardized β coefficient p
WTP model (R2 = 0.156, adjustedR2 = 0.138,p < .001)
(Constant) 67.689 47.140–88.239 10.417   < 0.001
Caregiver’s income - below 4000 −6.145 −10.404 – −1.886 2.159 −.0192 0.005
Relationship to the recipient - spouse −22.980 −33.264 – −12.696 5.213 −0.663 < 0.001
Relationship to the recipient - child −16.555 −26.289 – − 6.821 4.935 − 0.501 0.001
Care recipient’s age −0.302 −0.530 – − 0.075 0.115 −0.188 0.010
WTA model (R2 = 0.230, adjustedR2 = 0.209,p < .001)
(Constant) 96.565 63.343–127.788 15.829   < 0.001
Care recipient’s age −0.619 −0.928 - -0.309 0.157 −0.271 < 0.001
Care recipient’s income – below 4000 −6.109 −11.564 - -.653 2.766 −0.144 0.028
Least-preferred task – HDL 13.372 7.434–19.310 3.011 0.285 < 0.001
CRA – disrupted schedule 5.509 1.621–9.398 1.972 0.185 0.006
CRA – lack of family support −9.444 −13.502 – −5.386 2.057 0.323 < 0.001