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Table 4 One-time OHE vs Repeated & Reinforced OHE

From: The role of repetition and reinforcement in school-based oral health education-a cluster randomized controlled trial

  Effect Size
Odds Ratio (CI)a
Evaluation I Evaluation II Evaluation III Evaluation IV
K-Dent 1.27 1.10 2.12 1.69
(1.18–1.37) (1.04–1.18) (2.01–2.24) (1.60–1.79)
K-Caries 1.50 1.38 2.96 2.49
(1.33–1.68) (1.23–1.55) (2.80–3.15) (2.21–2.81)
K- Gingivitis 1.57 1.33 2.86 2.44
(1.36–1.80) (1.15–1.54) (2.64–3.10) (2.25–2.63)
K-Cancer 2.53 1.56 4.79 4.51
(2.07–3.06) (1.18–2.05) (3.58–6.40) (3.37–6.02)
OHK-Composite 1.49 1.24 2.68 2.26
(1.35–1.67) (1.12–1.36) (2.48–2.90) (2.09–2.44)
OHB-Gingivitis 1.38 1.27 2.36 2.33
(1.29–1.48) (1.18–1.36) (2.19–2.53) (2.17–2.50)
OHB Cancer 1.14 1.10 2.09 2.00
(1.05–1.24) (1.01–1.20) (1.93–2.26) (1.85–2.17)
OHB-Composite 1.26 1.18 2.22 2.17
(1.18–1.33) (1.11–1.25) (2.08–2.37) (2.03–2.31)
OHS-Composite 0.87 0.75 1.37 1.49
(0.79–0.97) (0.66–0.85) (1.25–1.51) (1.38-1.60)
  1. Evaluation I: After single OHE session; Evaluation II: Six months after single OHE session; Evaluation III: Six months after RR-OHE; Evaluation IV: Twelve months after RR-OHE; aBaseline score was used as the reference; CI 95 % Confidence Interval; All values adjusted for gender, type of school, clustering effect and OHE strategy using GEE; DL group was used as positive control