Table 3

Outcomes at baseline, visit 2 and visit 3

Primary outcomesBaselineV2V3P value
Knowledge score median (IQR) range6 (5–7)
2–8
7 (5–8)
2–8
8 (6–8)
3–8
<0.001
Use PFT ≥1 x day
n (%)
8 (12.9)47 (79.7)45 (80.4)<0.001
Clean ID ≥3 x week
n (%)
10 (16.2)30 (75.0)21 (34.0)=0.013
OSTRC score median (IQR) range0 (0–8)
0–82
0 (0)
0–69
0 (0)
0–82
<0.001
Bleeding score median (IQR) range10 (5–15)
1–36
7.5 (4–14)
0–51
10.5 (6.63–16)
0–35
=0.952
  • ID, interdentally; OSTRC, Oslo Sports Trauma Research Centre; PFT, prescription fluoride toothpaste.