Table 3.

Comparison of malaria infection prevalence by qPCR (%) between age groups and study groups

Age	Index household	Neighbour	Control	Index household	Neighbour	Control
Malaria parasite prevalence				Odds ratio and 95 CI
0–4.9	25.0	22.1	14.6	1.94 [0.48, 8.08]	1.66 [0.62, 4.42]	1.0
5–14.9	32.0	32.6	12.8	3.22 [1.14, 9.06]*	3.30 [1.62, 6.70]**	1.0
≥ 15	28.6	22.8	12.5	2.80 [1.20, 6.55]*	2.06 [1.13, 3.77]*	1.0
Odds ratio and 95 CI
0–4.9	1.0	1.0	1.0
5–14.9	1.41 [0.34, 5.78]	1.70 [0.94, 3.07]	0.85 [0.30, 2.46]
≥ 15	1.20 [0.32, 4.27]	1.04 [0.60, 1.80]	0.83 [0.30, 2.29]

Significance level: * P < 0.05, ** P < 0.01