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Table 3 Answers of the participants on the 8-item knowledge test

From: Knowledge, attitude, and use of protective measures against COVID-19 among nurses: a questionnaire-based multicenter cross-sectional study

    Answers  
I don’t know True False
# Item Correct answer n % n % n % Difficulty index
1 COVID-19 is a viral infection True 55 12.1 390 85.7 10 2.2 Easy
2 The possible signs and symptoms of COVID-19 are fever, sore throat, cough, myalgia and shortness of breath True 5 1.1 445 97.8 5 1.1 Very easy
3 Signs and symptoms of COVID-19 can be similar as flu or cold True 60 13.2 100 22.0 295 64.8 Difficult
4 Currently, there is no effective treatment for COVID-19, but early symptomatic and supportive treatment can help most patients recover from the infection True 70 15.4 355 78.0 30 6.6 Moderate
5 People with a compromised immune system and old age people are at more risk of developing the infection True 10 2.2 410 90.1 35 7.7 Very easy
6 People in crowded places are at increased risk of getting affected by the disease True 5 1.1 450 98.9 0 0.0 Very easy
7 If appropriately used, medical masks can prevent the spread of infection True 5 1.1 415 91.2 35 7.7 Very easy
8 Taking antibiotics can prevent the transmission of COVID-19 False 190 41.8 110 24.2 155 34.1 Difficult
  1. Correct answers are in boldface