Table 1 Characteristics of study subjects with periodontal examinations
From: Current status of periodontal disease in adults in Takahagi, Japan: a cross-sectional study
Age Groups (years) | ||||||||
|---|---|---|---|---|---|---|---|---|
20–34 | 35–44 | 45–54 | 55–64 | 65–74 | 75+ | P Vallue | Total | |
Number of subjects | 96 | 72 | 61 | 132 | 177 | 44 | 582 | |
Age,years | 28.6 ± 3.8 | 39.0 ± 2.7 | 49.3 ± 2.9 | 59.6 ± 2.7 | 69.3 ± 2.7 | 78.8 ± 3.4 | 55.3 ± 16.4 | |
Male gender(%) | 27 (28.1) | 28 (39.4) | 17 (27.8) | 31 (23.4) | 73 (41.2) | 16 (36.4) | < 0..05* | 33 |
Smoking status | ||||||||
Never smokers(%) | 64 (66.7) | 53 (73.6) | 42 (68.9) | 104 (78.8) | 125 (70.6) | 28 (63.6) | < 0..01* | 416 (71.5) |
Former smokers(%) | 21 (21.9) | 10 (13.9) | 12 (19.7) | 17 (12.9) | 48 (27.1) | 16 (36.4) | 124 (21.3) | |
Current smokers(%) | 11 (11.5) | 9 (12.5) | 7 (11.5) | 11 (8.3) | 4 (2.3) | 0 (0) | 42 (7.2) | |
Educational level | ||||||||
Low (%) | 0 (0) | 10 (13.9) | 0 (0) | 17 (12.9) | 49 (27.7) | 18 (41.0) | < 0..01* | 94 (16.2) |
Middle(%) | 32 (33.3) | 26 (36.) | 29 (47.5) | 82 (62.1) | 102 (57.6) | 22 (50) | 293 (50.3) | |
High(%) | 64 (66.6) | 36 (50) | 32 (52.5) | 33 (25) | 26 (14.7) | 4 (9.1) | 195 (33.5) | |
Body Mass index | ||||||||
< 25 kg/m2 | 83 (86.5) | 64 (88.9) | 49 (80.3) | 107 (81.1) | 136 (76.8) | 33 (75) | < 0..01* | 382 (65.6) |
25–30 kg/m2 | 11 (11.5) | 7 (9.7) | 12 (9.7) | 22 (16.7) | 37 (20.9) | 11 (25) | 99 (17.0) | |
> 30 kg/m2 | 2 (2.1) | 1 (1.4) | 0 (0) | 3 (2.3) | 4 (2.3) | 0 (0) | 10 (1.7) | |
Diabetes Melitus | 0 (0) | 0 (0) | 1 (1.6) | 7 (5.3) | 13 (7.3) | 5 (11.4) | < 0..05* | |
Tooth brushing frequency | ||||||||
< 2 times/day | 5 (5.2) | 9 (12.5) | 10 (16.4) | 8 (6.1) | 32 (18.1) | 9 (20.50) | 0.072* | 73 (12.5) |
≥ 2 times/day | 91 (94.8) | 63 (87.5) | 51 (83.6) | 124 (93.9) | 145 (81.9) | 35 (79.5) | 509 (87.5) | |
Use of inter-dental care device | ||||||||
No | 70 (72.9) | 43 (59.7) | 33 (54.1) | 68 (51.5) | 84 (47.5) | 25 (56.8) | < 0..01* | 323 (55.5) |
Yes | 26 (27.1) | 29 (40.3) | 28 (45.9) | 64 (48.5) | 93 (52.5) | 19 (43.) | 259 (44.5 | |
Last dental visit | ||||||||
Within last 12 months | 20 (20.8) | 16 (22.2) | 19 (31.1) | 52 (39.4) | 83 (46.9) | 15 (34.1) | < 0..01* | 205 (35.2) |
Less often | 76 (79.2) | 56 (77.8) | 42 (68.9) | 80 (60.6) | 94 (51.3) | 29 (65.9) | 377 (64.8) | |
Tooth count in dentates*(excluding third molars) | 27.7 ± 0.8 | 27.0 ± 1.9 | 26.0 ± 3.0 | 24.9 ± 3.8 | 23.1 ± 5.3 | 17.2 ± 8.4 | < 0.001† | 24.6 ± 5.1 |
Tooth count in dentates | 28.5 ± 1.5 | 28.0 ± 1.4 | 27.2 ± 2.9 | 26.0 ± 3.6 | 24.6 ± 4.7 | 17.8 ± 7.3 | < 0.001† | 25.7 ± 4.7 |
Plaque score | 63.4 ± 17.7 | 56.5 ± 20.3 | 57.4 ± 20.0 | 54.1 ± 18.9 | 57.4 ± 20.8 | 78.6 ± 19.5 | < 0.001† | 59.5 ± 20.9 |