Table 3.

Logistic regression of factors potentially associated with malaria infection*

Variable1		Univariable models		Multivariable model
		Crude OR (95% CI)	p-value	Adjusted OR (95% CI)	p-value
Child’s age in months		1.06 (1.03–1.10)	0.0009	1.07 (1.03–1.10)	0.0004
Child’s sex	Female	1	0.5474	1	0.5904
	Male	0.89 (0.61–1.30)		0.90 (0.62–1.31)
Use of mosquito net at night		0.73 (0.50–1.06)	0.0923	0.94 (0.63–1.41)	0.7745
Three IPTi3 doses received		0.52 (0.36–0.76)	0.0008	0.62 (0.38–1.02)	0.0588
Fully immunized, WHO definition		0.52 (0.34–0.79)	0.0024	0.82 (0.48–1.41)	0.4701
Caretaker’s age in years		1.00 (0.98–1.01)	0.5832	1.00 (0.98–1.01)	07122
Caretaker’s sex	Female	1	0.7702	1	0.8664
	Male	0.93 (0.58–1.49)		0.96 (0.59–1.56)
Caretaker’s relationship with the child	Parent	1	0.6840	1	0.5965
	Other	0.90 (0.52–1.54)		1.15 (0.68–1.93)
Is the caretaker able to read and write?	Illiterate	1	0.7243 0.0204	1	0.3026 0.0131
	Partially literate	0.93 (0.62–1.40)		0.78 (0.48–1.26)
	Fully literate	0.51 (0.29–0.90)		0.43 (0.22–0.83)
Caretaker’s main type of income	No salary	1	0.6236 0.4589	1	0.7624 0.0421
	Self-employment	0.88 (0.51–1.50)		1.10 (0.59–2.02)
	Paid employment	1.38 (0.58–3.26)		3.02 (1.04–8.75)
Caretaker’s marital status	Single (never married)	1	0.9919 0.8557 0.5289	1	0.5433 0.8628 0.3166
	Married or in union	1.00 (0.59–1.70)		0.82 (0.42–1.58)
	Separated or divorced	1.11 (0.37–3.30)		0.90 (0.26–3.10)
	Widow/er	0.70 (0.23–2.14)		0.53 (0.15–1.87)
Caretaker’s religion	Christian	1	0.7974 0.6713	1	0.0846 0.8553
	Muslim	0.95 (0.65–1.39)		0.70 (0.46–1.05)
	Other	1.86 (0.10–34.63)		1.27 (0.09–17.58)
District	Bombali	1		1
	Tonkolili	2.10 (1.32–3.33)	0.0021	2.03 (1.24–3.30)	0.0053
	Port Loko	1.52 (1.00–2.34)	0.0524	1.54 (0.97–2.43)	0.0675
Locality	Rural	1	0.8369	1	0.4122
	Urban	1.05 (0.67–1.62)		0.83 (0.54–1.29)

CI confidence interval, OR odds ratio

¹The first listed category of each variable was taken as reference value. In case of dummy variables, “No” was taken as a reference value

^*n = 683 observations