Table 2 Correlations of variables

1

physical examination

–

2

health record

0.340***

–

3

follow-up service

0.429***

0.302***

–

4

physical status

0.025**

−0.050***

− 0.046*

–

5

hypertension/diabetes

0.022*

0.006

–

− 0.245***

–

6

monthly household income

−0.050***

− 0.066***

− 0.035*

0.146

0.049***

–

7

migrating for employment

−0.021*

− 0.041***

0.029

0.156***

−0.117***

− 0.158***

–

8

migrating for offspring

−0.029**

− 0.039***

− 0.090***

0.125***

0.015

0.242***

−0.363***

–

9

migrating duration

0.007

0.049***

−0.015

−0.047***

0.048***

−0.035***

0.043***

−0.052***

–

10

migrating range

−0.128***

−0.124***

− 0.081***

0.109***

0.002

0.201***

0.020*

0.096***

0.090***

–

11

willingness for long-stay

0.141***

0.303***

0.089

0.090*

−0.089*

−0.194***

0.006

0.148***

0.065

–

–

12

care from offspring

−0.019

0.055**

0.026

0.085***

0.004

0.054*

0.005

0.010

− 0.034

− 0.053*

− 0.003

–

13

local friends

0.140***

0.098***

0.094***

0.100***

−0.043***

−0.014

0.084***

−0.044***

0.099***

−0.068***

0.150***

0.040

–