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Table 1 Results of Variance Inflation Factor test

From: The association between Urban and Rural Resident Basic Medical Insurance and instrumental activity of daily living disability among middle-aged and older adults in China

Variable

VIF

1/VIF

Age

1.19

0.84

Education status

1.17

0.86

Marital status

1.15

0.87

Gender

1.10

0.91

Residency area

1.08

0.92

Having tap water

1.04

0.96

PM2.5 concentrations

1.04

0.96

Household income

1.03

0.97

URRBMI

1.03

0.97

Mean VIF

1.09

 
  1. VIF indicates Variance Inflation Factor. PM2.5 indicates Particulate Matter 2.5. URRBMI indicates Urban and Rural Resident Basic Medical Insurance