Cryptosporidiosis in Iranian Farm Workers and Their Household Members: A Hypothesis about Possible Zoonotic Transmission

Table 5

Univariate analysis of association between potential risk factors and Cryptosporidium parvum infection in farm workers and their household members.

Risk factors	Odds ratio	95% CI	𝜒^2	𝑃 value
Age^a	1.65	0.67–4.05	1.24	0.265
Sex^b	1.06	0.49–2.30	0.24	0.877
Crowding^c	2.06	0.81–5.21	2.45	<0.117
Diarrhea	1.65	0.54–5.04	0.8	<0.369
Contact with calves	6.68	1.99–22.39	12.31	0.0001
Cleaning of shoes/boots	0.33	0.15–0.73	8.1	<0.004
Hand washing after daily work and defecation	0.38	0.17–083	6.20	<0.013
Use of piped water	0.34	0.15–0.75	7.55	0.006

^a<5 years versus >5 years old.
^bMale versus female.
^cCrowding is defined as families with more than 4 members.