Table 2. Risk factors for plasmodium carriage in women (logistic regression using microscopy results, Dakar 2008).

			Univariate analysis		Multivariate (final model)
Covariates	Class	Positive(N)	OR**	P***	OR**	P***
Age (years)	< = 28	20(682)	1	0.136	1
	28–34	6(555)	0.36		0.39	0.053
	34–42	12(613)	0.66		0.66	0.296
	>42	11(577)	0.64		0.71	0.397
Education level	None	21(973)	1	0.57	*
	Primary	18(867)	0.96
	Secondary	6(437)	0.63
Malaria episode in 2008	Yes	27(747)	2.82	<10−3	2.57	0.002
	No	22(1680)	1		1
Bed net	Yes	25(1039)	1.27	0.396	*
	No	24(1268)	1
Night out of Dakar	Yes	7(556)	1	0.168	1
	No	38(1721)	1.77		1.73	0.184

*: covariates not introduced in the final model, OR.

**: Odds Ratio, P.

***: p-value, N: Sample size in each class.