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Table 2 Factors associated with protozoan infections among the asymptomatic population 1 in Laghouat province

From: Prevalence and risk factors of intestinal protozoan infection among symptomatic and asymptomatic populations in rural and urban areas of southern Algeria

Factor Level N Prevalence CL95 OR z P
Sex Male 985 14.6 11.76–17.96 1   
Female 669 15.2 12.85–17.96 1.051 0.352 0.375
   (χ21 = 0.12, P = 0.730)     
Area Urban 949 12.5 9.94–15.6 1   
  Rural 705 18 15.33–21.02 1.533 3.08 0.00
   (χ21 = 9.48, P = 0.002)   
Water Bottled 827 13.1 10.60–15.97 1   
  Tap 827 16.7 13.91–19.86 1.333 2.069 0.047
   (χ21 = 4.31, P = 0.038)   
Animal No 1305 10.4 8.76–12.08 1   
Yes 349 31.5 26.46–37.03 3.956 9.383 < 0.0001
  (χ21 = 83.65, P < 0.001)   
Season Spring 497 14.7 10.33–20.28 1.115 0.522 0.348
Summer 368 16.3 12.36–21.08 1.262 1.067 0.226
Autumn 475 14.9 10.68–20.43 1.138 0.617 0.33
Winter 314 13.4 10.09–17.50 1   
   (χ23 = 1.17, P = 0.76)    
Year 2015 345 13.3 9.91–17.67 1   
2016 590 14.2 12.03–16.73 1.079 0.385 0.37
2017 393 17.3 13.08–22.42 1.36 1.485 0.132
2018 326 14.7 11.21–19.04 1.122 0.519 0.349
  (χ23 = 2.62, P = 0.45)    
  1. The statistical outputs that are significant are emphasized in bold
  2. OR Odds ratio, CL95 95% confidence interval