No chikungunya virus infections among Dutch long-term travellers to (sub)tropical countries: a prospective study 2008–2011

Table 2 Travel-related characteristics of 600 Dutch long-term travellers at risk for CHIKV infection

Characteristic	Total, no.	%
No. participants	600	100
Median duration of travel, weeks (IQR)	20 (15–25)
Duration of travel, weeks
< 16	167	28
16–20	156	26
21–25	146	24
≥ 26	131	22
Purpose of travel
Tourism	371	62
Work/education	173	29
VFR^{^}/other	56	9
Visited continents
Asia	269	45
Africa	107	18
Latin America	224	37
Use of DEET*, % of total travel duration
< 25	175	29
25–50	134	22
51–75	102	17
≥ 75	189	32

The participants attended and were recruited at a Dutch travel health clinic between December 2008–September 2011
†IQR interquartile range, ^{^}VFR visiting friends & relatives, *DEET N,N-diethyl-meta-toluamide

ISSN: 1471-2334