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Characteristics of study participants (n = 481)
| Characteristics | No | % |
|---|---|---|
| Age; mean (range) | 39 (9-87) | |
| Gender | ||
| Male | 196 | 40.7 |
| Female | 285 | 59.3 |
| Origin | ||
| Norway with western parents | 296 | 61.5 |
| Another western country | 7 | 1.5 |
| Parents from TB endemic country | 12 | 2.5 |
| TB endemic country | 166 | 34.5 |
| Stay in TB endemic country | 309 | 64.0 |
| Exposure of TB | 261 | 54.6 |
| BCG vaccinated | 423 | 87.9 |
| BCG scar | 356 | 74.0 |
| Previous TB | 28 | 5.8 |
