Table 3 Dental restoration failure by patient type with covariates for all cases and controls (n = 144)

Patient Type + Age^a

Patient Type

Case vs. Control

2.976 (1.468, 6.033)

0.003*

Age

Each 1-Year Change

1.005 (0.984, 1.026)

0.657

Patient Type + Sex^a

Patient Type

Case vs. Control

3.044 (1.495, 6.198)

0.002*

Sex

Female vs. Male

1.173 (0.492, 2.799)

0.719

Patient Type + Race^a

Patient Type

Case vs. Control

2.906 (1.420, 5.946)

0.004*

Race

0.346

Black vs. White

0.679 (0.298, 1.545)

0.356

Unknown vs. White

1.022 (0.537, 1.946)

0.947

Patient Type + Dental Insurance^a

Patient Type

Case vs. Control

2.985 (1.477, 6.031)

0.002*

Dental Insurance

Other vs. Self-Pay

1.021 (0.684, 1.523)

0.919

Patient Type + Medical Insurance^b

Patient Type

Case vs. Control

2.916 (1.395, 6.094)

0.004*

Medical Insurance

0.459

Commercial vs. Public

1.343 (0.734, 2.457)

0.339

Other vs. Public

2.171 (0.435, 10.829)

0.345

Patient Type + Presence of Medical Diagnosis^c

Patient Type

Case vs. Control

3.257 (1.561, 6.800)

0.002*

Presence of Diagnosis

Yes vs. No

0.562 (0.160, 1.980)

0.370

Patient Type + Medication Use^a

Patient Type

Case vs. Control

3.006 (1.484, 6.089)

0.002*

Medication Use

Yes vs. No

1.451 (0.363, 5.795)

0.598

Patient Type + Preventive Visit Rate per year^a,d

Patient Type

Preventive Visit

Case vs. Control

Each 1-visit increase

2.990 (1.476, 6.061)

0.994 (0.882, 1.121)

0.002*

0.928

Patient Type + Surface Number^a

Patient Type

Case vs. Control

2.758 (1.365, 5.571)

0.005*

Surface Number

0.022*

2 vs. 1

1.473 (1.014, 2.140)

0.042*

3 + vs. 1

1.738 (1.115, 2.710)

0.015*

3 + vs. 2

1.180 (0.731, 1.904)

0.497