Table 2 Linear regression for determinants of depressive symptoms

Age

-0.113

-0.133 ~ -0.092

-0.108

 < 0.001

1.651

Gender

0.162

-0.093 ~ 0.417

0.013

0.212

1.492

Body mass index

0.023

-0.019 ~ 0.064

0.011

0.283

1.024

Marriage

-0.290

-0.521 ~ -0.059

-0.025

0.014

1.237

Education

0.863

0.761 ~ 0.964

0.167

 < 0.001

1.483

Smoking

-0.551

-0.906 ~ -0.196

-0.031

0.002

1.198

Alcohol intake

0.269

-0.014 ~ 0.552

0.019

0.062

1.191

Multi-comorbidity

-0.058

-0.198 ~ 0.082

-0.008

0.417

1.094

Physical activity

-0.444

-0.655 ~ -0.233

-0.041

 < 0.001

1.047

Muscle strength

-2.320

-2.611 ~ -2.029

-0.157

 < 0.001

1.339