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Table 1 Participant characteristics

From: Basic life support knowledge, self-reported skills and fears in Danish high school students and effect of a single 45-min training session run by junior doctors; a prospective cohort study

Baseline population n = 651 Cathedral high school Missing (%) Odds ratio 95% CI p-value
Age (mean ± sd) 17.5 ± 1.2 0    
Women n (%) 441 (67.7) 0    
Previous BLS training n (%) 413 (63.4) 0    
Correct answers baseline n (%)    Correct multiple choice answers one week after BLS training
What is a heart attack? 461 (70.8) 3.7 13.9 (6.4;30.8) >0.001
Suddenly a person becomes consciousness and falls over. What do you do? 394 (60.5) 4.8 1.9 (1.4;2.7) >0.001
How do you know if a person is breathing normally? 179 (27.5) 3.8 3.2 (2.2;4.6) >0.001
Who do you call in a heart attack situation? 644 (98.9) 0.5 0.7 (0.1;4.0) 0.66
What is basic life support? 429 (65.9) 2 123.3 (17.2;884.4) >0.001
How do you perform artificial ventilation to an unconscious person? 580 (89.1) 1.7 8.7 (3.1;24.4) >0.001
What do you do if you are uncertain if a person is unconscious? 369 (56.9) 5.7 119.6 (16.2;884.7) >0.001
What is a automated external defibrillator (AED) 593 (91.1) 2.7 6.2 (2.1;17.9) >0.001
  1. Basic life support questiones item 1-8. Proportion (%) of correct answers to each question at baseline and percentage of missing answers. Odds ratio, CI and p < value for correct multiple choice answers one week after BLS training.