Table 3.
Comparison of oral health between the risk and control groups before and after propensity score matching in adults (age < 65 years)
| 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) | ||
aResponses were based on experience within the previous year