Table 3. Random-effect logistic regression models exploring factors associated with asymptomatic malaria infection (n = 3,812).

Characteristics	Subcategory	Simple regression analysis		Multiple regression analysis
		OR (95% CI)	P-value	aOR (95% CI)	P-value
Socio-demographic characteristics
Mosquitoes collectors	No	1		1
	yes	1.03 (0.85–1.26)	0.73	0.88 (0.71–1.09)	0.23
Number of nights of collections	0	1
	1	0.90 (0.68–1.19)	0.47
	2	1.08 (0.82–1.43)	0.59
	3 and more	1.16 (0.88–1.53)	0.29
Age group	15–29 years old	1		1
	30–44 years old	0.33 (0.25–0.43)	<0.01	0.40 (0.30–0.52)	<0.01
	45 years old and over	0.21 (0.15–0.30)	<0.01	0.38 (0.28–0.52)	<0.01
Born at Dielmo	No	1
	Yes	1.17 (0.83–1.65)	0.37
Biological characteristics
HB type	AA	1		1
	AS	1.04 (0.66–1.64)	0.85	0.73 (0.48–1.11)	0.15
	AC	2.45 (0.75–8.03)	0.14	3.15 (1.08–9.19)	0.04
ABO Group	O	1
	A	0.81 (0.57–1.17)	0.26
	B	1.02 (0.70–1.49)	0.92
	AB	0.69 (0.31–1.51)	0.35
Treatment period	Quinimax	1		1
	Chloroquine	0.61 (0.49–0.76)	<0.01	0.65 (0.49–0.84)	<0.01
	AQ+SP/ACT	0.20 (0.14–0.27)	<0.01	0.26 (0.19–0.35)	<0.01
	ACT+LLINs	0.03 (0.02–0.05)	<0.01	0.05 (0.03–0.07)	<0.01
Quarter of the year	First quarter of the year	1		1
	Second quarter of the year	1.26 (0.98–1.62)	0.07	1.29 (0.99–1.68)	0.06
	Third quarter of the year	1.57 (1.23–2.00)	<0.01	1.48 (1.11–1.97)	<0.01
	Fourth quarter of the year	1.32 (1.03–1.69)	0.03	1.29 (0.99–1.69)	0.06
EIR (Entomological Inoculation Rate per person-trimester)		1.008 (1.006–1.009)	<0.01	1.003 (1.00–1.01)	0.023

OR: Odds ratio; aOR: adjusted odds ratio.