Table 3. Risk factors, signs, and symptoms significantly (p<0.05) associated with helminth infections, as determined by univariable analysis.

Parasite	Risk factor, sign, and symptom	p-valuea
Schistosoma haematobium	Vertigo	0.026
	Worm infections considered frequent in household	0.027
Schistosoma mansoni	Occupation: farmer	0.018
	Occupation: housewife	0.023
	Drinking water: rain	0.011
Hookworm	Occupation: farmer	0.022
	Occupation: tertiary sector	0.027
	Tile or carpet flooring	0.011
	Type of toilet: WC	0.048
	Open defecation	0.014
	Natural water contact: washing oneself	0.010
	Natural water contact: cooking	0.014
	Natural water contact: washing children	0.033
	Natural water contact: cultivating rice	0.019
	Natural water contact: religious worship	0.045
	Drinking water: natural water body	0.001
	Drinking water: rain	0.042
	Drinking water: fountain	0.011
	Using soap for washing clothes	0.015
	Using soap for washing dishes	0.024
	Washing hands after defecation	0.003
	Washing hands when returning from work	0.004
	Worm infections considered frequent in household	0.003
Trichuris trichiura	Using soap for washing oneself	0.018
	Having a cat	0.048

The study was carried out in June 2010 in the Taabo health demographic surveillance system, south-central Côte d’Ivoire.

^aUnivariable analysis, using χ² test statistics and Fisher’s exact test, as appropriate.