Table 1 Demographic and travel data of 63,076 ill travelers seen in GeoSentinel clinics between 1997 and 2008
Age classes 18–45 y ≥60 y p-Value
∗
Number of patients 56,042 7,034
Sex <0.001
Female 28,571 (51.0%) 3,174 (45.1%)
Male 27,180 (48.5%) 3,833 (54.5%)
Unknown 291 (0.5%) 27 (0.4%)
Region of residence (expatriates excluded) <0.001
Asia 3,850 (7.9%) 445 (6.7%)
Africa 469 (1.0%) 56 (0.8%)
Latin America 287 (0.6%) 38 (0.6%)
Europe (West and East) 24,391 (50.9%) 3,257 (49.1%)
Middle East 3,273 (6.8%) 215 (3.2%)
North America-Canada 12,885 (26.9%) 2,413 (36.4%)
Oceania 14 (0.0%) 2 (0.0%)
Australia-New Zealand 2,707 (5.6%) 209 (3.1%)
Reason for travel <0.001
Tourism 30,079 (53.7%) 4,666 (66.3%)
Business 13,119 (23.4%) 1,173 (16.7%)
Missionary/volunteer/research/aid work†
7,431 (13.3%) 599 (8.5%)
Visiting friends and relatives 3,902 (7.0%) 563 (8.0%)
Student
‡
1,306 (2.3%) 8 (0.1%)
Military 157 (0.3%) 8 (0.1%)
Medical tourism 48 (0.1%) 17 (0.2%)
Median travel duration [d (first to third quartiles)] 28 (14–86) 21 (14–42) <0.001
Risk level qualifier
§<0.001
Expatriate 10,733 (19.2%) 782 (11.1%)
Pre-arranged or organized trip 7,289 (13.0%) 1,384 (19.7%)
Risk travel 13,437 (24.0%) 1,816 (25.8%)
Unknown 24,583 (43.9%) 3,052 (43.4%)
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