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Table 1 Demographics, travel information, and destinations of 460 travelers recruited at the travel clinic during their pre-travel visit, all staying outside the Nordic countries for more than four days and less than 6 months. The data are given as numbers of cases and their proportions

From: Travelers’ health problems and behavior: prospective study with post-travel follow-up

  Number (%a)
Sex (missing data = 0)
 Male 173 (38)
 Female 287 (62)
Age, median (IQR) (missing data = 0) 35 (27.0–54.0)  
 0–17, children 35 (8)
 18–35, young adults 196 (43)
 36–55, middle aged 120 (26)
 56–, older travelers 109 (24)
Underlying diseases (missing data = 0) 192 (42)
 Asthma, atopy and/or allergy 56 (12)
 Hypertension 51 (11)
 Psychiatric disorder or medication 25 (5)
 Cardiovascular disease 14 (3)
 GI disorder b 13 (3)
 Neurological disorder 12 (3)
 DM 9 (2)
 Rheumatic disease 6 (1)
 Other disease and conditions 78 (17)
 Contraceptives or postmenopausal hormone replacement therapy 53 (12)
Duration of travel, median in days (IQR) (missing data = 2) 16 (12.8–27.3)  
 1 week or less (missing data = 0) 27 (6)
 More than a week and less than a month 334 (73)
 1–5 months 99 (22)
Purpose of travel (missing data = 1)   
 Vacation 383 (83)
 Business 38 (8)
 Other/multiple c 38 (8)
Geographic region (missing data = 0) d   
 South-Eastern Asia 107 (23)
 Eastern Africa 96 (21)
 Western Africa, Middle Africa 86 (19)
 Southern Asia 68 (15)
 Latin America and the Caribbean 41 (9)
 Southern Africa 26 (6)
 Europe, Northern America 15 (3)
 Northern Africa, Western Asia 12 (3)
 Eastern Asia, Central Asia 9 (2)
  1. a Proportion of positive among those from whom information was available
  2. b Crohn's disease, irritable bowel syndrome, primary biliary cirrhosis, diverticulosis, microscopic colitis, celiac disease
  3. c 14 (3 %) travelers reported two or more purposes of travel
  4. d Given according to primary destination. Categorized into three subgroups: Asia (Western Asia, South-Eastern Asia, Southern Asia, Eastern Asia, and Central Asia), Africa (Eastern Africa, Western Africa, Middle Africa, Southern Africa, and Northern Africa), and the others (Latin America and the Caribbean, Europe, North America)