Table 3 Results of regression

Medical insurance for householder

URRMI

Ref.

UEBMI

−0.695

0.393–0.633

0.000***

URBMI

−0.455

0.459–0.877

0.006**

Other insurance or no insurance

−0.515

0.439–0.813

0.001***

NRCMS

−0.059

0.801–1.110

0.481

Householder with or without cardiovascular disease

0.242

1.056–1.536

0.011**

Householder with or without chronic respiratory diseases

0.094

0.878–1.376

0.410

Householder with or without cancer

0.729

1.384–3.106

0.000***

Householder with or without diabetes

0.181

0.933–1.540

0.155

Householder’s marital status

0.768

1.772–2.625

0.000***

Householder suffers from multiple chronic diseases

−0.006

0.927–1.065

0.866

Age of householder

0.029

1.020–1.039

0.000***

Whether the household member has a disability

0.284

1.166–1.514

0.000***

Household size

1 person

Ref.

2–3 persons

−0.417

0.535–0.813

0.000***

> 3 persons

−0.568

0.392–0.820

0.003***

Whether there are individuals 65 years old and older in the household

0.225

1.041–1.506

0.017**

Whether householder has been an outpatient in the past month

0.804

1.957–2.550

0.000***

Whether householder has been hospitalized in the past year

1.030

2.456–3.192

0.000***

Education level of householder

Illiterate

Ref.

Primary school

−0.101

0.788–1.037

0.149

Junior high school and above

−0.308

0.621–0.870

0.000***

Household economic level

Poorest

Ref.

Sub-poverty

0.019

0.861–1.206

0.827

General

−0.139

0.729–1.039

0.124

Sub-rich

−0.210

0.675–0.974

0.025**

Richest

0.116

0.937–1.344

0.209

Cons_

−4.558

0.000

Model validation

Chi-square

P value

Hosmer-Lemeshow test

2.342

0.96