Table 1 Descriptive statistics

 Successful aging

0.173

0.379

0

1

  No major diseases

0.401

0.490

0

1

  No disability

0.699

0.460

0

1

  High cognitive functioning

0.927

0.260

0

1

  High physical functioning

0.804

0.397

0

1

  Active engagement with life

0.588

0.492

0

1

 Internet use frequency

1.415

0.970

1

5

Control variables

0

1

 Age

69.963

7.463

60

103

 Marital status

0.619

0.486

0

1

 Education

6.467

2.843

0

15

 Household registration

0.590

0.492

0

1

 Number of children

1.381

1.011

0

7

 Living environment

0.778

0.416

0

1

 Industry

0.511

0.500

0

1

 Logarithm of total income

9.187

1.424

3.555

12.899

 Lifestyle of regular exercise

0.181

0.385

0

1

 Social capital

14.766

5.830

0

36

 Provincial internet penetration rate

0.525

0.129

0.374

0.731

Observations