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Table 4 Robustness check of testing the relationship between internet use frequency and five specific measures of successful aging (IV-probit)

From: Association between internet use and successful aging of older Chinese women: a cross-sectional study

Variable

No major diseases

No disability

High cognitive functioning

High physical functioning

Active engagement

with life

Internet use frequency

0.299***

0.163*

0.140***

0.299***

0.225**

(0.085)

(0.071)

(0.031)

(0.068)

(0.081)

Age

0.009***

−0.012***

−0.001

−0.003*

− 0.000

(0.002)

(0.002)

(0.001)

(0.002)

(0.002)

Marital status

0.069**

0.054*

0.033**

0.087***

−0.029

(0.026)

(0.023)

(0.012)

(0.023)

(0.026)

Education

−0.026**

0.000

−0.008*

−0.023**

− 0.013

(0.010)

(0.008)

(0.004)

(0.008)

(0.010)

Household registration

0.082**

0.042

0.044**

0.047

0.048

(0.031)

(0.027)

(0.014)

(0.026)

(0.030)

Number of children

0.007

−0.021*

0.005

−0.004

0.015

(0.012)

(0.010)

(0.004)

(0.009)

(0.012)

Living environment

0.051

0.013

−0.013

0.014

0.052

(0.030)

(0.025)

(0.009)

(0.024)

(0.030)

Industry

0.015

−0.002

0.026*

−0.009

− 0.060*

(0.029)

(0.025)

(0.012)

(0.024)

(0.028)

Logarithm of total income

−0.022*

0.009

−0.003

0.010

0.000

(0.011)

(0.009)

(0.004)

(0.009)

(0.011)

Lifestyle of regular exercise

−0.108***

−0.042

0.002

−0.112***

− 0.055

(0.031)

(0.031)

(0.015)

(0.033)

(0.033)

Social capital

0.001

0.003

0.000

−0.003*

0.005**

(0.002)

(0.002)

(0.001)

(0.002)

(0.002)

Central province

0.176***

0.112**

0.055***

0.205***

0.248***

(0.053)

(0.039)

(0.012)

(0.027)

(0.044)

Western province

0.186**

0.161***

0.051***

0.172***

0.259***

(0.059)

(0.038)

(0.011)

(0.027)

(0.045)

Northeast province

0.079

0.044

0.054***

0.124***

−0.093

(0.058)

(0.044)

(0.009)

(0.030)

(0.055)

Observations

2713

  1. The estimates represent marginal effects; Standard errors in parentheses; *** p < 0.001, ** p < 0.01, * p < 0.05