Skip to main content

Table 3 Comparison of oral health between the risk and control groups before and after propensity score matching in adults (age < 65 years)

From: Oral health in adults with coronary artery disease and its risk factors: a comparative study using the Korea National Health and Nutrition Examination Survey data

Variables

Unadjusted data

Propensity-matched data

Control (n = 5639), n (%)

At risk (n = 2014), n (%)

p

Control (n = 1661), n (%)

At risk (n = 1661), n (%)

p

Chewing problem

 No

4802 (85.3)

1492 (75.5)

< .001

1289 (77.7)

1246 (76.4)

.496

 Yes

837 (14.7)

522 (24.5)

 

372 (22.3)

415 (23.6)

 

Speaking problem

 No

5442 (96.5)

1848 (92.4)

< .001

1548 (93.4)

1534 (93.1)

.775

 Yes

197 (3.5)

166 (7.6)

 

113 (6.6)

127 (6.9)

 

Use of oral hygiene supplies

 No

2044 (36.0)

916 (44.4)

< .001

708 (41.5)

741 (43.7)

.285

 Yes

3595 (64.0)

1098 (55.6)

 

953 (58.5)

920 (56.3)

 

Oral examination in the last 1 year

 No

3334 (58.9)

1200 (59.5)

.688

984 (59.9)

979 (58.9)

.638

 Yes

2305 (41.1)

814 (40.5)

 

677 (40.1)

682 (41.1)

 

Tooth brushing per day

 < 3 times

2273 (39.8)

1004 (48.8)

< .001

788 (45.5)

808 (47.6)

.311

 ≥ 3 times

3366 (60.2)

1010 (51.2)

 

873 (54.5)

853 (52.4)

 

Preventive dental treatmenta

 No

3658 (64.2)

1244 (61.2)

.048

1072 (63.8)

1031 (61.5)

.251

 Yes

1981 (35.8)

770 (38.8)

 

589 (36.2)

630 (38.5)

 

Dental hospital use

 No

2425 (42.9)

773 (38.2)

.002

664 (40.7)

646 (38.8)

.337

 Yes

3214 (57.1)

1241 (61.8)

 

997 (59.3)

1015 (61.2)

 

Simple dental treatmenta

 No

4679 (83.2)

1671 (83.0)

.871

1389 (84.1)

1379 (83.0)

.462

 Yes

960 (16.8)

343 (17.0)

 

272 (15.9)

282 (17.0)

 

Dental nerve treatmenta

 No

4951 (88.1)

1676 (82.9)

< .001

1395 (84.8)

1387 (83.5)

.373

 Yes

688 (11.9)

338 (17.1)

 

266 (15.2)

274 (16.5)

 

Gingival disease treatmenta

 No

4935 (87.8)

1619 (80.9)

< .001

1366 (82.8)

1328 (80.8)

.181

 Yes

704 (12.2)

395 (19.1)

 

295 (17.2)

333 (19.2)

 

Tooth extraction or oral surgerya

 No

5216 (92.8)

1796 (89.0)

< .001

1495 (90.2)

1479 (89.1)

.405

 Yes

423 (7.2)

218 (11.0)

 

166 (9.8)

182 (10.9)

 

Number of remaining teeth

 < 20

364 (6.6)

328 (15.4)

< .001

230 (13.8)

240 (13.2)

.658

 ≥ 20

5275 (93.4)

1686 (84.6)

 

1431 (86.2)

1421 (86.8)

 

Permanent dental caries patients

 No

3989 (72.0)

1454 (73.1)

.425

1201 (74.6)

1199 (73.2)

.427

 Yes

1650 (28.0)

560 (26.9)

 

460 (25.4)

462 (26.8)

 

Prevalence of periodontal disease

 No

4178 (74.9)

1153 (58.1)

< .001

1033 (63.8)

965 (59.0)

.017

 Yes

1461 (25.1)

861 (41.9)

 

628 (36.2)

696 (41.0)

 
  1. aResponses were based on experience within the previous year