Factors associated with protozoan infections among patients seeking health care in Sana'a City.

<p>*Confirmed by logistic regression.</p

Factors associated with G. duodenalis infection among patients seeking health care in Sana'a City.

<p>*Confirmed by logistic regression.</p

Prevalence of intestinal parasitic infections according to species (N = 503).

<p>Prevalence of intestinal parasitic infections according to species (N = 503).</p

Factors associated with E. histolytica/dispar infection among patients seeking health care in Sana'a City.

<p>*Confirmed by logistic regression.</p

Potential associated factors associated with hookworm infection by microscopy in human (Univariate analysis, N = 634).

<p>Reference group marked as OR = 1; 95% CI: 95% Confidence interval; Significant association.</p><p>(<i>p</i><0.05).</p><p>*Variables were confirmed by multivariate analysis as significant predictors of hookworm infection.</p

Hookworm species detected from human and animal samples as determined by PCR assays.

<p>*<i>A. caninum</i> were found in dogs;</p><p>**<i>A. ceylanicum</i> were found in both cats and dogs;</p><p>***<i>A. braziliense</i> was found in cats.</p

Map of Yemen indicating the location of major cities and governorates.

<p>Map of Yemen indicating the location of major cities and governorates.</p

Overall prevalence of hookworm infection in the studied populations as determined by microscopically.

<p>N: Total number examined; n: Hookworm positive by microscopy; %: Percentage; 95% CI: 95% Confidence interval.</p

Flow chart of the participation and compliance in the present study.

<p>Flow chart of the participation and compliance in the present study.</p

General characteristics of Yemeni children who participated in this study (n = 400).

<p>All values are number (%). YER, Yemen Rial; (US$1 = YER 214).</p