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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