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Table 3 Comparison of pre-, and post-intervention hand hygiene knowledge scores

From: An educational intervention to improve hand hygiene compliance in Vietnam

Profession Pre-score mean (SD) Post-score mean (SD) Difference mean (SD) 95% CI t p value
Doctor (n = 25) 16.2 (2.8) 18.1 (2.1) 1.9 (2.5) 0.8 to 2.9 3.66 0.001
Registered nurse (n = 50) 17.5 (2.2) 18.6 (2.1) 1.1 (2.2) 0.5 to 1.7 3.63 0.001
Midwife (n = 95) 17.3 (2.4) 18.8 (2.3) 1.5 (2.5) 1.0 to 2.0 5.90 < 0.001
Technician (n = 28) 15.7 (2.9) 17.0 (1.8) 2.0 (3.3) 0.8 to 3.3 3.27 0.003
Total (n = 198) 17.0 (2.6) 18.5 (2.2) 1.5 (2.5) 1.9 to 1.2 8.43 < 0.001