Evidence of pathogens associated with travelers’ diarrhea in Thailand: a systematic review

Table 1 Characteristics of the 15 included studies

Characteristics	Number of studies (n = 15)	Percent (%)	References
Study designs
Prospective observational studies	10	66.7	[4, 19, 31,32,33,34,35,36,37,38]
Cross-sectional studies	2	13.3	[22, 39]
Case-control studies	3	20.0	[1, 24, 40]
Year of Publication
2020–2024	2	13.3	[4, 31]
2010–2019	5	33.3	[1, 24, 35, 37, 40]
2000–2009	4	26.7	[19, 22, 32, 38]
1990–1999	2	13.3	[34, 39]
1980–1989	2	13.3	[33, 36]
Study sites
Single study site	4	26.7	[1, 24, 31, 36]
Multiple study sites	7	46.7	[4, 19, 34, 35, 38,39,40]
Not specified	4	26.7	[22, 32, 33, 37]
Travel purpose
Tourism	7	46.7	[1, 19, 24, 31, 32, 35, 37]
US military personnel	6	40.0	[4, 22, 34, 35, 39, 40]
Peace Corps volunteers	3	20.0	[33, 36, 38]
Origin/Nationality of travelers
United States	9	60.0	[4, 19, 22, 24, 33, 34, 36, 39, 40]
Oceania	4	26.7	[1, 19, 24, 31]
Asia	4	26.7	[1, 19, 24, 32]
North America	3	20.0	[1, 24, 31]
Europe	4	26.7	[1, 19, 24, 31]
Other	1	6.7	[19]
Not specified	3	20.0	[35, 37, 38]

ISSN: 2055-0936