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Table 2 Pre- and Post-Test Knowledge about Major Chemical Incidents

From: Assessment of the effectiveness of a course in major chemical incidents for front line health care providers: a pilot study from Saudi Arabia

Domains

Mean

SD

Wilcoxon Signed

Ranks Test (Z)

P Value

Pre-test Domain 1 score

2.3529

0.84861

−4.739

0.000002a

Post-test Domain 1 score

4.3235

1.00666

Pre-test Domain 2 score

2.6765

1.36450

−4.507

0.000007 a

Post-test Domain 2 score

4.8824

1.85480

Pre-test Domain 3 score

3.2059

1.24996

−3.801

0.000144 a

Post-test Domain 3 score

4.5882

1.41673

Pre-test Domain 4 score

2.1765

1.26660

−2.868

0.004125 a

Post-test Domain 4 score

2.9706

.96876

Overall Pre-test score

10.4118

3.06612

−4.891

0.000001 a

Overall Post-test score

16.7647

3.79840

  1. a: Statistically significant (P ≤ 0.05)
  2. Key terms: Domain1(Threat Identification), Domain2(Health Effect of Chemical Agent),Domain3 (Response to Major Chemical Incident), Domain 4(The Basic Concepts in Protection and Safety)