Table 3 Multiple logistic regression analysis of different variables in relation to C-ZBI scores (n = 261)

Age

1.110

3.04

1.307–7.048

0.010

Gender (male)

−2.527

0.08

0.036–0.178

< 0.001

Marital status (widowed)

0.828

2.29

0.352–1.247

0.199

Marital status (divorced/separated)

0.044

1.05

0.058–1.853

0.978

Annual income

¥5000–¥9900($710–$1410)

1.178

3.25

1.192–8.852

0.021

Annual income

¥10,000–¥14,900($1420–$2110)

0.719

2.05

0.645–6.530

0.223

Annual income

More than ¥15,000(≥$2130)

−0.398

0.67

0.379–1.191

0.173

C-PSF scores

0.158

1.17

1.103–1.242

< 0.001