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Table 2 The changes in the knowledge scores among the physicians (n = 106) by the study groups

From: Evaluation of an educational intervention in oral health for primary care physicians: a cluster randomized controlled study

Domains Change in scores before and after intervention Significance
  Group A
(n = 38)
Group B
n = 32
Control
n = 36
P-value
A vs Ca
P-value
B vs Ca
  Mean (SD) Mean (SD) Mean (SD)   
Total Knowledge 6.16 (3.67) 1.03 (2.30) 0.19 (2.20) < 0.001 0.375
Pediatric domain 2.47 (1.69) 0.28 (0.85) 0.00 (0.71) < 0.001 0.524
Dental domain 1.58 (1.77) 0.44 (0.80) − 0.08 (0.94) < 0.001 0.062
Medical domain 2.11 (1.62) 0.31 (1.50) 0.28 (0.94) < 0.001 0.992
  1. Group A: Booklet + CME course + pamphlet;
  2. Group B: Pamphlet;
  3. Group C: Control;
  4. aP- value of Dunnett’s multiple comparison test