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Table 2 Characteristics of the enrolled subjects and the incidence of Blastocystis infection from April 2003 to April 2004.

From: Incidence and risk factors of Blastocystis infection in an orphanage in Bangkok, Thailand

Characteristics

No. of enrolled subjects

No. (%) infected

p value

Sex

   

   Male

232

22 (9.5)

 

   Female

182

15 (8.2)

0.660

Age (months)

   

   0-12

202

1 (0.5)

 

   13-24

93

3 (3.2)

 

   25-36

24

7 (29.2)

 

   37-48

26

6 (23.1)

 

   49-60

12

7 (58.3)

 

   > 60

56

13 (23.2)

< 0.001

Room no. (specific group)

   

   No. 1 (36-60 months)

32

15 (46.9)

 

   No. 2 (new born to 8 months)

47

1 (2.1)

 

   No. 3 (new enrolled)

67

0 (0.0)

 

   No. 4 (HIV- infected children)

69

9 (13.0)

 

   No. 5 (32-36 months)

21

5 (23.8)

 

   No. 6 (24-32 months)

22

3 (13.6)

 

   No. 7 (new born to 8 months)

37

1 (2.7)

 

   No. 8 (8-12 months)

42

1 (2.4)

 

   No. 9 (12-18 months)

50

1 (2.0)

 

   No. 10 (18-24 months)

23

0 (0.0)

 

   Food and milk preparation room

4

1 (25.0)

< 0.001

Nutritional status

   

   Normal nutrition

281

29 (10.3)

 

   Undernutrition

86

4 (4.7)

 

   Overnutrition

33

3 (9.1)

0.275

HIV infection

   

   No

330

27 (8.2)

 

   Yes

67

9 (13.4)

0.172

Infected childcare worker(s) in the room

   

   No

257

14 (5.4)

 

   Yes

119

18 (15.1)

0.002

Diarrhea

   

   No

371

31 (8.4)

 

   Yes

7

1 (14.3)

0.464