Table 4.

Risk factors for Plasmodium falciparum infection (uni- and multi-variable analysis, complete case and multiple imputation analyses, multilevel logistic model)

	Univariable analysis		Multivariable analysis (full model, complete case analysis) (n = 8,362)		Multivariable analysis (full model, multiple imputation analysis) (n = 9,094, 50 imputations)
	OR (95 % CI)	P value	OR (95 % CI)	P value	OR (95 % CI)	P value
Age
≤5 years (N = 2,477)	1		1		1
5–14.9 years (N = 2,811)	1.55 (1.32–1.82)	<0.001	1.90 (1.60–2.26)	<0.001	1.84 (1.56–2.18)	<0.001
≥15 years (N = 3,791)	1.10 (0.94–1.29)	0.24	1.48 (1.24–1.78)	<0.001	1.43 (1.20–1.71)	<0.001
Gender
Male (N = 5,417)	1		1		1
Female (N = 3,670)	0.86 (0.76–0.98)	0.02	0.87 (0.76–1.00)	0.05	0.85 (0.75–0.97)	0.01
Anaemia
No anaemia (N = 2,198)	1		1		1
Mild (N = 3,783)	1.02 (0.85–1.22)	0.85	1.08 (0.89–1.32)	0.42	1.08 (0.89–1.30)	0.44
Moderate (N = 2,671)	1.38 (1.15–1.65)	<0.001	1.62 (1.32–1.99)	<0.001	1.62 (1.33–1.97)	<0.001
Severe (N = 137)	2.44 (1.84–3.25)	<0.001	3.11(2.27–4.26)	<0.001	3.05 (2.25–4.13)	<0.001
Has slept under a LLIN last night
No (N = 377)	1		1		1
Yes (N = 8,244)	0.58 (0.41–0.81)	<0.001	0.58 (0.41–0.82)	0.003	0.61 (0.43–0.86)	0.005
Has slept out doors
No (N = 5,257)	1		1		1
Yes (N = 3,807)	1.04 (0.92–1.19)	0.51	1.01(0.88–1.16)	0.87	1.04 (0.91–1.18)	0.56
Indoor residual spraying
No (N = 1,883)	1
Yes (N = 7,170)	0.86 (0.59–1.27)	0.46	0.86 (0.57–1.29)	0.45	0.92 (0.63–1.36)	0.69
Has slept out in the fields
No (N = 8,727)	1		1		1
Yes (N = 321)	0.78 (0.51–1.19)	0.26	0.81 (0.51–1.28)	0.37	0.83 (0.54–1.27)	0.38
Used Artemether-lumefantrine in past week
No (N = 8,881)	1		1		1
Yes (N = 174)	0.78 (0.51–1.20)	0.98	0.77 (0.49–1.20)	0.25	0.75 (0.48–1.15)	0.19