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Table 1 Characteristics of study participants (n = 387)

From: Screening for latent tuberculosis in Norwegian health care workers: high frequency of discordant tuberculin skin test positive and interferon-gamma release assay negative results

Characteristics No (%)
Age 1) 36 23-64
Sex   
Male 61 15.8
Female 326 84.2
Origin   
Norway 357 92.2
TB low-endemic country 15 3.9
TB high-endemic country 15 3.9
Work place   
Infectious Medicine 160 41.3
Pulmonary Medicine 123 31.8
Microbiology 80 20.7
Pathology 24 6.2
Profession   
Nurse 222 57.4
Physician 60 15.5
Laboratory staff 99 25.6
Administration 6 1.6
Work TB endemic country 2) 59 15.2
Stay TB endemic country 2) 288 74.4
Exposure to TB at work 3)   
Patients 239 61.8
Laboratory 85 22.0
Exposure to TB outside work 50 12.9
BCG vaccinated 379 97.9
BCG scar 358 92.5
Previous TB 3 0.8
  1. 1)Median (range). Definitions: TB = Tuberculosis. 2)The three longest visits were registered. 3)The three longest contacts were registered.