Prevalence and associated risk factors for Giardia and Cryptosporidium infections among children of northwest Mexico: a cross-sectional study

Table 4 Univariate analysis of giardiasis and cryptosporidiosis with risk factors in 173 children from three kindergarten and two public primary schools of the region of Cananea, Sonora in northwest Mexico

	Giardia				Cryptosporidium
Variable	n	Giardia infected^a	OR (95%CI)	p*	n	Cryptosporidium spp. infected^b	OR (95%CI)	p*
Drinking water	40				47
Treated water		9	1.0			12	1.0
Tap water		31	3.9 (1.7–8.9)	0.014		35	3.9 (1.64–9.10)	0.002
Keep domestic animals	40				47
No		23	1.0			20	1.0
Yes		17	2.8 (1.30–5.88)	0.008		27	3.5 (1.55–7.56)	0.002
Symptoms	40				47
No Abdominal pain		23	1.0			16	1.0
Abdominal pain		17	3.2 (1.32–7.81)	0.010		31	1.54 (0.69–3.45)	0.290
No Headache		23	1.0			27	1.0
Headache		17	2.9 (1.35–6.02)	0.006		20	0.74 (0.35–1.51)	0.390
Season for sample collection	40				42
Autumn		8	1.0			16	1.0
Spring		32	3.53 (1.45–8.56)	0.005		26	1.1 (0.50–2.25)	0.902

OR (95%CI) = Odds ratio (95% confidence interval)
*p significant at ≤0.05 (logistic regression analysis)
^aChildren with G. intestinalis and other pathogenic and commensal genera or species
^bChildren with Cryptosporidium spp. and other pathogenic and commensal genera or species

ISSN: 1471-2458