|
Patient-level variables b
|
|
Smoking
|
|
Never
|
245 (14.1)
|
591 (34.0)
|
567 (32.6)
|
334 (19.2)
|
0.536
|
|
Past
|
74 (13.4)
|
179 (32.4)
|
189 (34.2)
|
111 (20.1)
| |
|
Current
|
36 (18.2)
|
56 (28.3)
|
69 (34.8)
|
37 (18.7)
| |
|
Tooth brushing frequency (times per day)
|
|
≥ 3
|
121 (13.6)
|
296 (33.2)
|
296 (33.2)
|
179 (20.1)
|
0.091
|
|
2
|
175 (13.5)
|
432 (33.3)
|
430 (33.2)
|
259 (20.0)
| |
|
≤ 1
|
59 (19.7)
|
98 (32.7)
|
99 (33.0)
|
44 (14.7)
| |
|
Eating between meals
|
|
No
|
50 (15.5)
|
109 (33.7)
|
101 (31.3)
|
63 (19.5)
|
0.960
|
|
Sometimes
|
196 (14.4)
|
453 (33.3)
|
447 (32.9)
|
264 (19.4)
| |
|
Everyday
|
109 (13.5)
|
264 (32.8)
|
277 (34.4)
|
155 (19.3)
| |
|
Use of secondary oral hygiene productsc
|
|
Yes
|
215 (11.6)
|
634 (34.1)
|
630 (33.9)
|
379 (20.4)
|
< 0.001
|
|
No
|
140 (22.2)
|
192 (30.5)
|
195 (31.0)
|
103 (16.3)
| |
|
Bleeding of tooth brushing
|
|
No
|
220 (14.0)
|
528 (33.5)
|
531 (33.7)
|
298 (18.9)
|
0.740
|
|
Yes
|
135 (14.8)
|
298 (32.7)
|
294 (32.3)
|
184 (20.2)
| |
|
Reason for dental visit
|
|
Treatment
|
174 (20.8)
|
268 (32.1)
|
257 (30.7)
|
137 (16.4)
|
< 0.001
|
|
Both treatment and maintenance
|
60 (13.2)
|
144 (31.6)
|
165 (36.2)
|
87 (19.1)
| |
|
Maintenance
|
121 (10.1)
|
414 (34.6)
|
403 (33.7)
|
258 (21.6)
| |
|
Clinic-level variablesd
|
|
Age of dental clinic director
|
|
30s or 40s
|
34 (15.7)
|
66 (30.4)
|
80 (36.9)
|
37 (17.1)
|
0.930
|
|
50s
|
46 (16.7)
|
92 (33.3)
|
87 (31.5)
|
51 (18.5)
| |
|
60s or over
|
15 (16.3)
|
32 (34.8)
|
29 (31.5)
|
16 (17.4)
| |
|
Gender of dental clinic director
|
|
Male
|
93 (16.7)
|
180 (32.3)
|
189 (33.9)
|
96 (17.2)
|
0.234
|
|
Female
|
2 (7.4)
|
10 (37.0)
|
7 (25.9)
|
8 (29.6)
| |
|
Number of dental hygienists
|
|
0
|
31 (26.3)
|
46 (39.0)
|
25 (21.2)
|
16 (13.6)
|
0.001
|
|
1–3
|
57 (14.8)
|
119 (30.9)
|
135 (35.1)
|
74 (19.2)
| |
|
≥ 4
|
7 (8.5)
|
25 (30.5)
|
36 (43.9)
|
14 (17.1)
| |
