Table 4 Traveler profiles presented by demographics (destination, sex, age, duration of travel, purpose of travel) with travel behavior in bivariable analysis for 460 travelers. Results are given in percentages with the largest group shown in bold

Age group (missing data = 0)

<0.001*

0.833

<0.001*

0.056

 0–17

35 (8)

8

7

11

8

7

30

7

3

9

0

3

 18–35

196 (43)

32

55

41

43

42

22

36

72

42

37

61

 36–55

120 (26)

30

23

23

27

25

33

29

13

26

39

16

 56–

109 (24)

31

15

25

21

25

15

28

12

24

24

21

Duration of travel, days (missing data = 0)

<0.001*

0.473

<0.001*

<0.001^d*

 1–7

27 (6)

2

6

20

7

5

23

3

8

4

6

13

0

 8–29

334 (73)

81

63

73

72

73

69

61

82

85

79

53

29

 30–160

99 (22)

17

31

7

20

22

9

36

11

11

15

34

71

Purpose of travel (missing data = 1) ^a

0.034^d*

0.002*

0.056

<0.001^d*

 vacation

383 (84)

78

88

91

86

82

97

81

83

84

81

91

60

 business

37 (8)

12

5

4

11

7

0

7

13

8

19

6

13

 other/multiple

35 (8)

10

7

5

3

11

3

12

5

7

0

3

27

Accommodation (missing data = 11) ^b

<0.001*

0.008*

<0.001*

<0.001*

<0.001*

 hotel

188 (42)

39

40

61

46

40

34

31

50

55

85

46

15

44

45

18

 home of a local

71 (16)

23

9

14

9

20

26

16

11

17

15

12

29

12

16

50

 guest house

190 (42)

39

52

25

45

41

40

53

39

28

0

42

56

44

39

32

Location (missing data = 22) ^b

<0.001*

0.083

0.088

<0.001*

0.494

 city

143 (33)

24

34

57

28

36

44

27

36

38

88

31

23

33

38

25

 countryside/jungle

295 (67)

76

66

43

72

64

56

73

66

62

12

69

77

67

62

75

Used other than bottled water (missing data = 3) ^b

25 (5)

8

3

5

0.144

6

5

0.499

3

4

8

6

0.373

0

5

7

0.336

5

11

5

0.379^d

Ate uncooked meat/fish (missing data = 4)

58 (13)

9

16

18

0.045*

11

14

0.446

6

17

13

6

0.016*

4

12

18

0.080

13

13

11

0.961^d

Ate salads (missing data = 26)

341 (79)

77

78

85

0.427

79

78

0.904

59

83

81

74

0.009*

69

78

83

0.288

80

70

78

0.404

Diet (missing data = 159)

0.087

0.018*

0.010*

0.288

1.000^d

 omnivore

274 (91)

92

88

100

96

88

100

85

92

97

100

92

88

91

91

93

 vegetarian

27 (9)

8

12

0

4

12

0

15

8

3

0

8

13

9

9

7

Used milk as part of diet (missing data = 161)

293 (98)

99

97

96

0.226^d

99

97

0.426^d

96

98

99

97

0.599^d

100

99

96

0.347^d

98

100

100

1.000^d

Site of meals (missing data = 12) ^b

<0.001*

0.099

<0.001*

0.660

0.042*

 restaurant more than 50 %

372 (83)

70

96

87

87

81

53

86

86

83

89

83

81

84

83

68

 own household and sometimes elsewhere

76 (17)

30

4

13

13

19

47

14

14

17

11

17

19

16

17

32

Alcohol consumption (missing data = 67) ^c

0.112

<0.001*

0.001*

0.117

0.025*

 0–2 units per day

281 (61)

72

74

59

61

78

100

70

64

71

65

69

80

70

64

91

 3– units per day

112 (24)

28

26

41

39

22

0

30

36

29

35

31

20

30

36

9

Did not always use utensils (missing data = 23)

126 (29)

28

34

18

0.070

28

29

0.877

39

40

24

10

<0.001*

17

22

55

<0.001*

26

39

49

0.004*

Did not wash hands always/often (missing data = 13)

61 (14)

10

16

18

0.147

17

12

0.138

9

21

9

7

0.001*

11

13

17

0.573

14

14

11

0.840

No WC as a toilet (missing data = 7)

74 (16)

22

13

5

0.004*

17

16

0.747

16

19

18

10

0.235

0

16

21

0.037*

16

14

24

0.411

Had fresh water contact (missing data = 160)

109 (36)

27

47

28

0.001*

38

35

0.584

26

50

33

14

<0.001*

6

31

59

<0.001*

37

24

46

0.243

Walking barefoot often/sometimes (missing data = 7)

322 (71)

64

80

69

0.002*

74

69

0.326

88

79

68

55

<0.001*

65

70

77

0.359

74

59

55

0.015*

Unprotected sex with local (missing data = 27)

8 (2)

4

1

0

0.067^d

2

2

1.000^d

0

1

4

1

0.239^d

0

2

3

0.632^d

2

0

3

0.587^d

Other close contact with local (kissing / sharing meals) (missing data = 26)

82 (19)

23

17

9

0.055

17

20

0.336

18

25

19

8

0.007*

8

15

36

<0.001*

17

24

33

0.039*

Had insect stings (missing data = 22)

335 (76)

75

81

67

0.058

75

77

0.657

59

88

75

62

<0.001*

19

77

93

<0.001*

76

65

91

0.032*