Variable name

Parameter estimate

Wald Chi-square

Marginal effect

Odds ratio

95% confidence interval (odds ratio)

Intercept

0.2828

0.0218

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Income

−0.2241**

4.0665

−0.0102

0.7992

0.6428

0.9937

Educ

−0.2642***

12.2655

−0.0121

0.7678

0.6622

0.8901

Homemaker

−0.2026

0.4856

−0.0091^#

0.8166

0.4619

1.4437

Age

0.0250

1.5354

0.0012

1.0253

0.9855

1.0668

Child

−0.3033

0.8544

−0.0144^#

0.7384

0.3881

1.4047

Inchon

−0.0695

0.0141

−0.0031^#

0.9329

0.2965

2.9350

Daejeon

0.1597

0.0698

0.0077^#

1.1731

0.3587

3.8362

Daegu

0.0123

0.0005

0.0006^#

1.0123

0.3579

2.8632

Ulsan

−0.2624

0.0618

−0.0107^#

0.7692

0.0971

6.0914

Busan

0.5174

1.4243

0.0282^#

1.6777

0.7172

3.9245

Kwangju

1.6314***

15.2111

0.1412^#

5.1110

2.2514

11.6026

Smoke

0.0496

0.0039

0.0023^#

1.0509

0.2206

5.0055

Cab

0.9071*

3.2782

0.0328^#

2.4779

0.9280

6.6160

Expv

−0.4559*

3.0309

−0.0208

0.6339

0.3794

1.0590

Koreanfood

−0.2920

0.8461

−0.0133

0.7467

0.4008

1.3913

Easecook

0.4238*

3.6768

0.0193

1.5278

0.9907

2.3562

Willsweet

0.5996**

4.1948

0.0305^#

1.8214

1.0262

3.2331

Likelihood Ratio Chi-square

91.8219

p-value

<0.0001