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Table 3 Association of characteristics of patients and their dental clinics with time for oral health instruction

From: A multilevel analysis of the importance of oral health instructions for preventing tooth loss: The 8020 Promotion Foundation Study of Japanese Dental Patients

 

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)

 
  1. aThis is based on a clinic-level variable
  2. bNumber of patients (n = 2488)
  3. cDental floss or interdental brush
  4. dNumber of dental clinics (n = 585)