Skip to main content

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)