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Table 3 Comparison of pre-test and post-test score among participants from different groups (n = 34)

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 Position N Mean SD Mean Rank KW-H df P
Pretest score (Domain 1) Nurse 4 6.25 1.71 20.00 3.479 4 0.481
Paramedic 22 4.32 1.55 16.61
Radiology technician 1 3.00 0.0 33.00
Physician 6 4.50 2.07 17.17
Pharmacist 1 4.00 0.0 13.50
Total 34 4.53 1.71  
Pretest score (Domain 2) Nurse 4 3.25 1.26 26.13 7.774 4 0.100
Paramedic 22 2.55 1.10 14.50
Radiology technician 1 2.00 0.0 30.50
Physician 6 2.17 0.98 19.58
Pharmacist 1 5.00 0.0 23.50
Total 34 2.62 1.16  
Pretest score (Domain 3) Nurse 4 3.25 2.22 22.38 7.372 4 0.117
Paramedic 22 2.27 1.24 14.43
Radiology technician 1 5.00 0.0 18.00
Physician 6 2.67 1.03 25.33
Pharmacist 1 5.00 0.0 18.00
Total 34 2.62 1.44  
Pretest score (Domain 4) Nurse 4 12.25 3.86 20.38 5.455 4 0.244
Paramedic 22 8.95 3.18 18.57
Radiology technician 1 10.00 0.0 2.00
Physician 6 10.17 3.43 12.83
Pharmacist 1 11.00 0.0 26.00
Total 34 9.65 3.29  
Overall Pretest score Nurse 4 10.00 4.08 23.50 4.790 4 0.310
Paramedic 22 9.14 2.78 15.18
Radiology technician 1 14.00 0.0 27.00
Physician 6 9.33 2.73 18.83
Pharmacist 1 10.00 0.0 27.00
Total 34 9.44 2.88  
Posttest score (Domain 1) Nurse 4 11.25 3.20 22.00 4.297 4 0.367
Paramedic 22 7.00 3.41 15.30
Radiology technician 1 9.00 0.0 25.50
Physician 6 6.67 3.78 19.92
Pharmacist 1 10.00 0.0 25.50
Total 34 7.59 3.57  
Posttest score (Domain 2) Nurse 4 6.25 2.63 18.63 2.868 4 0.580
Paramedic 22 3.23 1.60 17.25
Radiology technician 1 5.00 0.0 24.00
Physician 6 2.67 1.97 14.42
Pharmacist 1 10.00 0.0 30.50
Total 34 7.59 3.57  
Posttest score (Domain 3) Nurse 4 4.50 1.73 22.50 1.841 4 0.765
Paramedic 22 3.32 1.52 17.07
Radiology technician 1 5.00 0.0 20.50
Physician 6 2.83 1.60 14.75
Pharmacist 1 3.00 0.0 20.50
Total 34 3.41 1.56  
Posttest score (Domain 4) Nurse 4 16.75 5.97 17.75 3.635 4 0.458
Paramedic 22 12.45 6.84 17.48
Radiology technician 1 20.00 0.0 28.50
Physician 6 16.00 3.10 13.75
Pharmacist 1 19.00 0.0 28.50
Total 34 14.00 6.29  
Overall Posttest score Nurse 4 15.50 7.19 23.50 6.405 4 0.171
Paramedic 22 13.55 5.83 15.93
Radiology technician 1 19.00 0.0 30.00
Physician 6 12.17 6.31 14.67
Pharmacist 1 18.00 0.0 32.50
Total 34 13.82 5.88  
  1. KW-H=Kruskal Wallis H Test
  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)