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Table 3 Common Misconceptions about TB among Immigrant Students in Umeå Swedish-Language Schools (N = 268).

From: Screening migrants for tuberculosis - a missed opportunity for improving knowledge and attitudes in high-risk groups: A cross-sectional study of Swedish-language students in Umeå, Sweden

Items inaccurately identified as correct by respondents Number of "Yes" answers* (%)
TB is caused by a virus 120 (44.8)
TB is transmitted through:  
Sharing dishes/kitchen utensils 143 (53.4)
Sharing cigarettes 140 (52.2)
Blood transfusion 132 (49.3)
Breastfeeding 121(45.2)
Hugs 65 (24.3)
TB cannot spread to other people if a diseased person:  
Laughs 109 (40.7)
Sings 109 (40.7)
Speaks 97 (36.2)
Persons not at increased risk of TB:  
Diabetic patients 87 (32.5)
Health care workers 77 (28.7)
Persons with Cancer 76 (28.4)
A short-lived cough (one-two weeks) is a symptom of TB disease 144 (53.7)
A positive skin test without symptoms suggests:  
A need for curative treatment 168 (62.7)
Infectious TB 138 (51.5)
Active TB disease 123 (45.9)
No previous vaccination 69 (25.8)
TB patients remain infectious two to three weeks after beginning treatment 161 (60.1)
Everyone infected with TB bacteria:  
Can spread TB to others 182 (67.9)
Become sick 175 (65.3)
Have symptoms 143 (53.4)
Key methods to prevent the spread of TB:  
Forbid sick people to eat from the same plate as other family members 177 (66.1)
Stay away from everyone who coughs 159 (59.3)
  1. *Don't know responses are not included