Table 3.

Risk Factors for Cryptosporidiosis, by Infecting Cryptosporidium Genotype, According to Final Multivariable Models, April 2013–March 2016, the Netherlands

Risk Factor	aORa (95% CI)	P
C. parvum b
Taking immunosuppressant medication	3.2 (1.5–6.7)	.002
Visited a farm	2.5 (1.5–4.3)	<.001
Per dose of other water source consumedc	1.2 (1.0–1.3)	.005
Per number of people living in a household	0.7 (.6–.9)	.004
Ate carrots	0.6 (.3–.9)	.028
Ate chicken	0.3 (.2–.6)	.001
C. hominis d
Nonhousehold person-to-person transmission	7.5 (3.2–17.3)	<.001
Swam in an inflatable pool	4.7 (2.4–9.5)	<.001
Household diarrheal case	3.5 (1.7–7.1)	<.001
Per number of people aged >18 years per household	0.4 (.2–.9)	.018

Abbreviations: aOR, adjusted odds ratio; CI, confidence interval.

^aAdjusted by age, sex, and season.

^bBased on 715 observations.

^cDrinking water from sources other than a tap.

^dBased on 677 observations.