Table 1.

Demographic characteristics of our study population

Coastal					Forest		Sahel
	Ada		Dodowa	Konongo		Kumbungu		Tamale
	Dry (116)	Rainy (148)	Rainy (59)	Dry (117)	Rainy (216)	Dry (85)	Rainy (132)	Dry (103)	Rainy (192)
Male (N (%))	42 (36.2)	58 (39.2)	14 (23.7)	60 (51.3)	116 (53.7)	28 (32.9)	63 (47.7)	59 (57.3)	109 (56.8)
Age/yrs
Mean (SEM)	9.0 (0.21)	9.3 (0.17)	9.6 (0.23)	8.9 (0.23)	9.3 (0.13)	9.6 (0.19)	9.3 (0.21)	9.2 (0.21)	9.2 (0.15)
Min - Max	3–13	4–12	4–12	3–12	3–13	5–13	3–13	4–12	4–13
PD (p/μl)
Mean (SEM)	53.5 (13.95)	84.9 (20.72)	120.6 (35.69)	38.0 (2.8)	82.4 (14.7)	69.0 (14.36)	75.8 (21.09)	40.2 (6.06)	230.4 (105.4)
Min - Max	18–229	8–401	24–379	22–61	6–549	33–132	14–453	16–111	14–3254
Micro (N (%))	14 (12.1)	19 (12.8)	10 (16.9)	15 (12.8)	52 (24.1)	6 (7.1)	24 (18.2)	14 (13.6)	34 (17.7)
PCR (N (%))	24 (20.7)	26 (17.6)	18 (30.5)	70 (59.8)	127 (58.8)	21 (24.7)	65 (49.2)	29 (28.2)	81 (42.4)

N Count; SEM Standard Error of Mean; Min Minimum; Max Maximum; Pos Positive; PD Parasite density is reported as parasites (p)/μl; Micro Parasite prevalence estimated by microscopy; PCR Parasite prevalence estimated by PCR