Table 1.

General characteristics of study population

Gender (N = 4,708)
Male: female (%)	53.1: 46.9
Age (years) (N = 4,705)
Mean	36.8 ± 12.7
Median	33
Range	1–90
Travel duration (days) (N = 4,687)
Mean	81 ± 175
Median	26
Range	1–3,356
Purpose of travel (N = 4,643)
High-standard trips	1,955 (42.1%)
Backpackers	1,816 (39.1%)
Business/expatriates	619 (13.3%)
Organized trips	161 (3.5%)
Visiting friends and relatives	35 (0.8%)
Other	57 (1.2%)
Travel destinations* (N = 4,708)
Asia	2,394 (50.9%)
Central America	978 (20.8%)
South America	712 (15.1%)
Africa	845 (18%)
Pacific Islands†	9 (0.2%)

* Two hundred twenty-four patients traveled to multiple continents.

† These travelers were not included in the by-continent data analysis because of their negligible number.