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Table 2 Univariate analysis of potential predictors for Blastocystis infection among the participants (n = 380)

From: Prevalence, predictors and clinical significance of Blastocystis sp. in Sebha, Libya

Variable Blastocystis infection OR (95% CI) P
  No. Examined % Infected   
Age     
≥18 years 238 29.4 3.8 (2.05, 7.06) <0.001*
<18 years 142 9.9 1  
Gender     
Male 197 26.4 1.7 (1.03, 2.77) 0.036 *
Female 183 17.5 1  
Education level     
≤ Primary school 193 26.4 1.7 (1.02, 2.75) 0.042*
≥ Secondary school 187 17.6 1  
Occupational status     
Working 132 31.8 2.0 (1.13, 3.24) 0.017*
Not working 168 19.6 1  
Family size     
≥ 7 members (large) 222 18.0 0.6 (0.35, 0.93) 0.023*
< 7 members 158 27.8 1  
Drinking water     
Untreated water 242 23.1 1.2 (0.70, 1.97) 0.520
Treated water (chemical, filtered or boiled) 138 20.3 1  
Presence of animals in the house     
Yes 44 13.6 0.5 (0.21, 1.28) 0.150
No 336 23.3 1  
History of recent overseas travel     
Yes 16 31.3 1.6 (0.55, 4.85) 0.360
No 364 21.7 1  
Presence of GI symptoms     
Yes 153 35.3 3.6 (2.14, 5.94) <0.001*
No 227 13.2 1  
Abdominal pain     
Yes 131 35.9 3.2 (1.94, 5.28) <0.001*
No 249 14.9 1  
Diarrhoea     
Yes 41 31.7 1.8 (0.86, 3.56) 0.117
No 339 20.9 1  
Flatulence     
Yes 55 49.1 4.5 (2.48, 8.26) <0.001*
No 325 17.5 1  
  1. OR, odds ratio; CI, confidence interval.
  2. * Significant association (P < 0.05).