Intermittent preventive treatment of malaria delivered to primary schoolchildren provided effective individual protection in Jinja, Uganda: secondary outcomes of a cluster-randomized trial (START-IPT)

Table 3 Association between time since last dose of DP and parasite prevalence

Treatment arm	Days since last dose of DP	Parasite prevalence	PR (95% CI)^a	p-value
Control	No prior DP	241/546 (44.1%)	Reference group
Intervention	No prior DP	44/168 (26.2%)	0.57 (0.40–0.81)	0.001
	29–113 days	3/33 (9.1%)	0.20 (0.06–0.64)	0.006
	1–28 days	3/345 (0.9%)	0.02 (0.01–0.10)	< 0.001

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