Table 3.
Association of characteristics of patients and their dental clinics with time for oral health instruction
| Amount of time for oral health instruction (min)a | p value | ||||
|---|---|---|---|---|---|
| 0 | 1–9 | 10–19 | ≥ 20 | ||
| 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) | |
aThis is based on a clinic-level variable
bNumber of patients (n = 2488)
cDental floss or interdental brush
dNumber of dental clinics (n = 585)