Table 1 Variable description and statistics

Health Variable

Xlhealth

MH, score range: 1–5, the large score, the healthier

4.239

0.818

Kghealth

PH, score range: 1–4, the large score, the healthier

3.378

0.845

IIequality

Kakwani

calculated using KI, value is 0–1

0.508

0.246

SC

Trust

Average value of trust, ranges 0–10, large value means higher trust

5.575

1.343

Fair

Average value of fairness, score ranges 1–8, fairness score from low to high

3.309

1.540

Support

Social support, total reciprocal financial assistance, logarithm

4.220

3.983

Relations

Relationship level: 0–10 level increasing

7.109

1.981

Jiegousc

Network density, measured by expense of favors gifts, logarithm

7.277

2.437

ICV

Urban

Household registration, urban = 1, rural = 0

0.493

0.500

Gender

Gender: male = 1, female = 0

0.478

0.500

Age

Age, actual age, value ranges: 20–81

47.77

15.44

Marriage

Marital status, with spouse = 1, without spouse = 0

0.825

0.380

Education

Years of education, from illiterate to doctorate, value range: 0–22

7.331

4.920

SCV

Employ

Working status, employed = 1, unemployed = 0

0.777

0.416

Insurance

Insurance participation, Is there social medical insurance? Yes = 1, No = 0

0.916

0.277

Family

Family size, number of family members, value range: 1–21

4.145

2.081

Status

Social status, range: 1–5, mean from low to high

3.103

1.092

Living habit

Exercise

Exercise, the frequency of physical exercise in last week. Value is 0–50

2.496

3.295

Smoke

Smoking: Smoking in the past month? Yes = 1, No = 0

0.299

0.458

Drink

Drinking: 3 times per week in the past month? Yes = 1, No = 0

0.155

0.362

Break

Lunch break, Yes = 1, No = 0

0.536

0.499

ME

Satisfaction

Medical condition, score range: 1–5, means dissatisfied to satisfied

3.628

0.814

Care

Medical level, score range: 1–5, from very bad to very good

3.499

0.885