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Table 3 Factors associated with protozoan infections among symptomatic population 2 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 348 81 76.12–85.16 1 − 1.097 0.219
Female 275 77.5 72.96–81.43 0.804   
  (χ21 = 1.2, P = 0.273)   
Area Urban 288 78.5 73.94–82.47 1   
Rural 335 80.3 75.45–84.38 1.118 0.562 0.341
   (χ21 = 0.316, P = 0.574)   
Water Bottled 249 84.7 80.96–87.93 1   
Tap 374 75.9 70.52–80.67 0.568 2.644 0.012
   (χ21=7.302, P = 0.007)   
Animal No 327 73.4 68.24–78.00 1   
Yes 296 86.1 82.12–89.43 2.255 3.877 0.0002
   (χ21=15.818, P < 0.001)   
Season Spring 182 86.3 78.51–91.67 3.581 4.852 < 0.0001
Summer 85 90.6 80.34–95.97 5.489 4.247 < 0.0001
Autumn 166 84.3 76.85–89.91 3.071 4.291 < 0.0001
Winter 190 63.7 54.00–72.51 1   
   (χ23=41.046, P=0.001)   
Year 2015 91 86.8 75.21–93.60 1   
2016 199 88.4 80.59–93.56 1.162 0.395 0.369
2017 151 83.4 76.15–88.94 0.766 − 0.704 0.311
2018 182 62.6 53.19–71.25 0.255 − 3.971 < 0.001
   (χ23=43.271, P < 0.001)   
  1. The statistical outputs that are significant are emphasized in bold
  2. OR Odds ratio, CL95 95% confidence interval