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Table 1 Demography distribution of infectious diseases in North Korean travelers

From: Epidemiology survey of infectious diseases in North Korean travelers, 2015–2017

Subject Overall HBV active infection Current active syphilis TB
N (%) Case Prevalence(1/10,000) Case Prevalence(1/10,000) Case Prevalence(1/10,000)
Gender
 Male 4521 (24.45) 264 583.9416 15 33.1785 0 0.0000
 Female 13,973 (75.55) 202 144.5645 42 30.0580 33 23.6170
Age
 0–10 15 (0.08) 0 0.0000 0 0.0000 0 0.0000
 11–20 2937 (15.88) 18 60.9756 1 3.3875 2 6.7751
 21–30 9436 (51.02) 195 206.6554 25 26.4943 26 27.5540
 31–40 2674 (14.46) 94 351.5333 20 74.7943 3 11.2191
 41–50 2387 (12.91) 101 423.1253 7 29.3255 2 8.3787
 51–60 982 (5.31) 58 590.6314 4 40.7332 0 0.0000
 ≥61 63 (0.34) 0 0.0000 0 0.0000 0 0.0000
Reason for travel
 Labor Worker 16,074 (86.91) 392 243.8721 56 34.8389 32 19.9079
 Business Trip 1354 (7.32) 57 420.9749 1 7.3855 0 0.0000
 Student 473 (2.56) 3 63.4249 0 0.0000 0 0.0000
 Traveler 48 (0.26) 0 0.0000 0 0.0000 0 0.0000
 Marriage 544 (2.94) 14 257.3529 0 0.0000 1 18.3824
 Others 1 (0.01) 0 0.0000 0 0.0000 0 0.0000
Year
 2015 5117 (27.67) 89 173.9300 13 25.4055 6 11.7256
 2016 6657 (35.60) 255 383.0554 17 25.5370 8 12.0174
 2017 6720 (36.34) 122 181.5476 27 40.5588 19 28.2738