Table 2. Multivariate predictors of P. falciparum parasite prevalence and proportion of gametocyte positive.

		Parasite prevalence (n = 1,714)				Proportion gametocyte positive (n = 349)
		%	aOR	95% CI	P-value	%	aOR	95% CI	P-value
Gene copies/μL (log) 1							1.85	[1.50, 2.28]	<0.001
Mixed Pf/Pv (by pcr)	No					63.8	1
	Yes					48.2	0.40	[0.23, 0.71]	0.002
Age group	0–3	9.6	1		<0.001	64.3
	>3–6	21.1	2.34	[1.38, 3.97]		72.9
	>6–9	26.3	3.40	[2.04, 5.68]		78.0
	>9–12	28.0	3.65	[2.12, 6.29]		59.2
	>12–20	30.8	4.87	[2.88, 8.24]		59.0
	>20	14.3	1.78	[1.13, 2.81]		46.7
Malaria last 2 weeks	No	18.1				57.7	1
	Yes	22.3				83.8	3.78	[1.42, 10.1]	0.008
Febrile	No	17.8	1		0.001	58.0
	Yes	24.6	1.87	[1.27, 2.75]		77.6
Anaemia	No	14.7	1		<0.001	49.1	1		0.019
	Mild	23.0	1.78	[1.36, 2.34]		66.1	1.63	[0.99, 2.70]
	Moderate	20.7	1.70	[1.01, 2.84]		52.2	0.46	[0.16, 1.33]

aOR = adjusted odds ratio (adjusted for multivariate analysis), CI = confidence interval

¹ Increase in the probability that gametocytes are detected in a P. falciparum positive sample, if the parasite density increases 10-fold