Table 3 Travel characteristics among severe malaria cases

Reason for travel

Visiting friends and relatives

97/214

(45)

16/89

(18)

81/125

(65)

0.000

Business

40/214

(19)

34/89

(38)

6/125

(5)

0.000

Immigration

34/214

(16)

1/89

(1)

33/125

(26)

0.000

Vacation

29/214

(14)

23/89

(26)

6/125

(5)

0.000

Volunteer

20/214

(9)

17/89

(19)

3/125

(2)

0.000

Education

9/214

(4)

3/89

(3)

6/125

(5)

0.608

Military

0/214

(0)

0/89

(0)

0/125

(0)

-

Medical

0/214

(0)

0/89

(0)

0/125

(0)

-

Other

8/214

(4)

4/89

(4)

4/125

(3)

0.623

Region of travel

Africa

220/248

(89)

100/116

(86)

120/132

(91)

0.243

Central & South America

10/248

(4)

7/116

(6)

3/132

(2)

0.133

Caribbean

7/248

(3)

3/116

(3)

4/132

(3)

0.833

Asia

9/248

(4)

4/116

(3)

5/132

(4)

0.887

Oceania

2/248

(1)

2/116

(2)

0/132

(0)

0.130

Length of travel, days, median (range)

31

(4–946)

31

(4–536)

35

(5–946)

0.599

Pre-travel advice obtained

78/216

(36)

55/98

(56)

23/118

(19)

0.000

Chemoprophylaxis used

55/239

(23)

35/112

(31)

20/127

(16)

0.000

Chemoprophylaxis appropriate

30/55

(55)

20/35

(57)

10/20

(50)

0.791

Infection species

P. falciparum

229/244

(94)

105/114

(92)

124/130

(95)

0.287

P. vivax

9/244

(4)

5/114

(4)

4/130

(3)

0.588

P. malariae

1/244

(0)

1/114

(1)

0/130

(0)

0.285

P. ovale

2/244

(1)

1/114

(1)

1/130

(1)

0.926

P. knowlesi

0/244

(0)

0/114

(0)

0/130

(0)

-

Unknown

10/244

(4)

6/114

(5)

4/130

(3)

0.390