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Table 1 Characteristics of a cohort of 1207 travelers to developing countries, attending a Dutch Travel Health Clinic for pre-travel health advice, October 2006 - October 2007

From: Travel-related schistosomiasis, strongyloidiasis, filariasis, and toxocariasis: the risk of infection and the diagnostic relevance of blood eosinophilia

Number of subjects 1207  
Male sex 521 43%
Median age in years ° 38 (29-51)
Country of birth   
   Netherlands 1049 87%
   Other Western country 69 6%
   Non-Western country 89 7%
Current travel destination   
   South-east Asia 375 31%
   South and West Asia 147 12%
   East Asia 98 8%
   South America 219 18%
   Central America and Caribbean 135 11%
   East Africa 140 12%
   West and Middle Africa 113 9%
   Southern Africa 67 6%
Primary purpose of travel   
   Tourism 1032 86%
   Work or education 99 8%
   Visiting friends and/or relatives 76 6%
Median travel duration in days ° 21 (16-28)
Median interval between return from   
   travel and blood donation, in days ° 25 (21-29)
Previous travel to a developing country   
   Never 221 18%
   1 to 5 times 703 58%
   6 times or more 283 23%
Previous travel destinations   
   Asia 670 56%
   Latin America 546 45%
   Africa 528 44%
   ° Interquartile range between brackets