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. 2018 Oct 3;18:163. doi: 10.1186/s12903-018-0627-y

Table 3.

Oral health behaviour of the participants allocated to Intervention or Control, at baseline and follow-up, according to Per Protocol (PP) and Intention-To-Treat (ITT) analyses, respectively

Variable Baseline Follow-up
Intervention Control Intervention Control
ITT (n = 67) PP (n = 59) ITT (n = 68) PP (n = 65) ITT (n = 67) PP (n = 59) ITT (n = 68) PP (n = 65)
Tooth-brushing
  ≥ 3 times/day 1 (1.5) 1 (1.7) 2 (2.9) 2 (3.1) 2 (3.0) 2 (3.4) 3 (4.4) 3 (4.6)
 Twice a day 37 (55.2) 32 (54.2) 43 (63.2) 42 (64.6) 50 (74.6) 45 (76.3) 46 (67.6) 45 (69.2)
 Once a day 16 (23.9) 14 (23.7) 13 (19.1) 12 (18.5) 8 (11.9) 6 (10.2) 9 (13.2) 8 (12.3)
 Several times/week 8 (11.9) 7 (11.9) 9 (13.2) 8 (12.3) 6 (9.0) 5 (8.5) 9 (13.2) 8 (12.3)
 Once a week 4 (6.0) 4 (6.8) 1 (1.5) 1 (1.5) 1 (1.5) 1 (1.7) 1 (1.5) 1 (1.5)
 More seldom/never 1 (1.5) 1 (1.7) 0 0 0 0 0 0
Flossing
  ≥ 3 times/day 0 0 0 0 2 (3.0) 2 (3.4) 2 (2.9) 2 (3.1)
 Twice a day 7 (10.4) 6 (10.2) 5 (7.4) 5 (7.7) 13 (19.4) 12 (20.3) 7 (10.3) 7 (10.8)
 Once a day 4 (6.0) 4 (6.8) 10 (14.7) 10 (15.4) 11 (16.4) 11 (18.6) 14 (20.6) 14 (21.5)
 Several times/week 14 (20.9) 11 (18.6) 11 (16.2) 10 (15.4) 13 (19.4) 10 (16.9) 12 (17.6) 11 (16.9)
 Once a week 10 (14.9) 9 (15.3) 8 (11.8) 8 (12.3) 9 (13.4) 8 (13.6) 12 (17.6) 12 (18.5)
 More seldom/never 32 (47.8) 29 (49.2) 34 (50.0) 32 (49.2) 19 (28.4) 16 (27.1) 21 (30.9) 19 (29.9)
Toothpick use
  ≥ 3 times/day 1 (1.5) 1 (1.7) 1 (1.5) 1 (1.5) 3 (4.5) 3 (5.1) 0 0
 Twice a day 1 (1.5) 1 (1.7) 2 (2.9) 2 (3.1) 4 (6.0) 4 (6.8) 2 (2.9) 2 (3.1)
 Once a day 2 (3.0) 2 (3.4) 7 (10.3) 6 (9.2) 7 (10.4) 7 (11.9) 11 (16.2) 10 (15.4)
 Several times/week 6 (9.0) 6 (10.2) 7 (10.3) 7 (10.8) 5 (7.5) 5 (8.5) 6 (8.8) 6 (9.2)
 Once a week 4 (6.0) 3 (5.1) 3 (4.4) 2 (3.1) 5 (7.5) 4 (6.8) 6 (8.8) 5 (7.7)
 More seldom/never 53 (79.1) 46 (78.0) 48 (70.6) 47 (72.3) 43 (64.2) 36 (61.0) 43 (63.2) 42 (64.6)
Additional fluoride
  ≥ 3 times/day 3 (4.5) 3 (5.1) 4 (5.9) 3 (4.6) 5 (7.5) 5 (8.5) 3 (4.4) 2 (3.1)
 2 times/day 13 (19.4) 11 (18.6) 8 (11.8) 7 (10.8) 19 (28.4) 17 (28.8) 14 (20.6) 13 (20.0)
 Once a day 12 (17.9) 11 (18.6) 14 (20.6) 14 (21.5) 13 (19.4) 12 (20.3) 17 (25.0) 17 (26.2)
 Several times/week 10 (14.9) 8 (13.6) 13 (19.1) 13 (20.0) 16 (23.9) 14 (23.7) 18 (26.5) 18 (27.7)
 Once a week 10 (14.9) 9 (15.3) 10 (14.7) 10 (15.4) 4 (6.0) 3 (5.1) 6 (8.8) 6 (9.2)
 More seldom/never 19 (28.4) 17 (28.8) 19 (27.9) 18 (27.7) 10 (14.9) 8 (13.6) 10 (14.7) 9 (13.8)

Frequency n (%)