Table 3. Percentage of variation in P. falciparum (Pf) and P. vivax (Pv) phenotypes explained by environmental factors (and their interactions) in the statistical analyses.

Phenotype	Acronym	Age group	Gender	Hamlet	Date	Age.gender	Age.hamlet	gender.hamlet	Age.gender.hamlet
		% (p)	% (p)	% (p)	% (p)	% (p)	% (p)	% (p)	% (p)
A. Clinical Phenotypes
Number of visits Pf+	PFA	2.3	0.6	1.9	6.3	0.11 (0.009)	0.69 (0.001)	0.15 (0.003)	0
Proportion of visits Pf+	PPFA	1.8	0.5	1.5	5.0	0.13 (0.027)	0.51	0.12	0.26 (0.041)
Number of non-malaria fever visits	NMF	0.8	0.2	0.8	2.6	0.03	0.35	0.03 (0.025)	0.03
Number of visits Pv+	PVA	4.4	0.3	0.4	4.2	0.3 (0.003)	1.4	0.2 (0.027)	0
Proportion of visits Pv+	PPVA	3.5	0.2	0.4	3.3	0.2 (0.003)	1.1	0.14 (0.027)	0
B. Parasite Biological Phenotypes
Pf max parasite density	mx-PFD	17.7	0.5 (0.022)	0.8 (0.014)	10.1	0	2.0 (0.004)	0	0
Pf parasite densities	PFD	11.2	0	0	7.2	0	0	0	0
Pv max parasite density	mx-PVD	6.2	0	0.6 (0.12a)	8.8	0	5.1 (0.003)	0	0
Pv parasite densities	PVD	3.3	0	3.0 (0.001)	5.9 (0.011)	0	0	0	0

In parentheses, p is the p-value; in bold, p-value<10⁻³.

^aRetained because of significant interaction with Age.