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Table 1 Subject characteristics comparing adult traveler’s diarrhea cases and non-diarrheal controls at Bumrungrad International Hospital in Bangkok, Thailand

From: Epidemiology and etiology of Traveler’s diarrhea in Bangkok, Thailand, a case-control study

 

Case1

Control1

p-value2

Enrollees3

N = 389

N = 400

 

Age (years)

 Mean ± SD

37.48 ± 13.71

41.6 ± 9.52

0.000

Gender

 Female

38% (32.95, 42.81)

25% (21.06, 29.81)

0.000

Nationality

 Asian

51% (45.81, 55.97)

51% (46.23, 56.25)

0.044

 European / North American

42% (36.70, 46.72)

45% (40.30, 50.27)

 

 Oceania

7% (5.05, 10.53)

4% (1.93, 5.80)

 

Time in Thailand

 Mean ± SD

540.43 ± 1410.75

1104.09 ± 1616.82

0.000

  0–29 days

53% (48.12, 58.26)

21% (17.34, 25.59)

0.000

  30–89 days

6% (4.20, 9.34)

3% (1.38, 4.87)

 

  90–364 days

13% (9.47, 16.31)

11% (7.67, 13.93)

 

  365–729 days

6% (4.20, 9.34)

17% (13.68, 21.32)

 

  730+ days

22% (17.37, 25.75)

48% (43.26, 53.27)

 

Season at enrollment

 Hot: Feb – May

44% (38.96, 49.05)

38% (33.46, 43.21)

0.219

 Rainy: Jun – Oct

40% (34.95, 44.90)

46% (40.54, 50.52)

 

 Cool: Nov – Jan

16% (12.68, 20.24)

16% (12.77, 20.24)

 
  1. 1Percentage with 95% Confidence Intervals from binomial exact test
  2. 2Pearson Chi Square test for categorical variables, student t-test for continuous variables
  3. 3Additional 28 cases and 17 controls excluded for missing or discrepant data