Table 3 Characteristics of people with amalgam fillings in both genders

Amalgam fillings

 No

1.00

-

1.00

-

 Yes

1.07

0.962-1.196

1.132

1.022-1.254

Age

1.09

1.084-1.096

1.085

1.080-1.090

Income (NT$)

 Dependent

1.278

1.156-1.413

1.455

1.335-1.585

 1–20,000

1.162

1.052-1.284

1.452

1.297 -1.625

 20,001-40,000

1.00

-

1.00

-

 >40,000

0.945

0.656-1.360

1.770

1.113-2.815

Region

 Area 1^a

0.838

0.740-0.950

0.650

0.579-0.730

 Area 2^b

1.00

-

1.00

-

 Area 3^c

1.302

1.142-1.484

0.991

0.878-1.118

 Area 4^d

1.409

1.234-1.610

1.087

0.963-1.228

 Area 5^e

0.801

0.692-0.929

0.695

0.606-0.796

 Area 6^f

0.881

0.685-1.134

0.611

0.466-0.800