Table 1.

Descriptive statistics of the study sites and participants

Characteristic	Kanungu	Tororo
No. of participants	107	79
Median age, y (range)	5.2 (3.1–6.8)	4.0 (3.9–4.4)
Female sex (%)	51	42
Median monthly female Anophelene counts per household, n (range)	2 (0–29)	n/a
Median malaria incidence in the last year, ppy (range)	1.1 (0.0–8.5)	7.8 (0.0–19.0)
Parasitemic at time of sample collection, n (%)	9 (8)	13 (16)
Median Pf density at time of sample collection* (range)	12,800 (64–68,240)	53,340 (2,880–247,700)
Participants having at least one infection in the last 30 d, n (%)	20 (19)	43 (54)
Participants having at least one infection in the last 90 d, n (%)	37 (35)	64 (81)
Participants having at least one infection in the last 365 d, n (%)	69 (64)	75 (95)
Median days since last Pf infection† (range)	264 (0–340)	28 (0–332)

n/a, not available; ppy, per person-year.

^*Only participants who were parasitemic at the time of sample collection were included.

^†Only participants who had at least one Pf infection recorded in the previous year were included.