Table 3.

Main characteristics of participants and dropouts in the study

Variables	Baseline	Participants (0→6)	Lost to follow-up (0→6)	p-value (participants vs lost to follow-up)
Sex	N=209	N=67	N=142
Male	110 (52.6%, CI: 45.6 to 60.0)	41 (37.3%, CI: 28.2 to 47.0)	69 (62.7%, CI: 53.0 to 71.8)	0.120
Female	99 (47.4%, CI: 40.4 to 54.4)	26 (26.3%, CI: 17.9 to 36.1)	73 (73.7%, CI: 63.9 to 82.1)
Age	N=209	N=67	N=142
Median	6.0	6.0	6.0	0.382
Preschool age	93 (44.5%, CI: 37.6 to 51.5)	30 (32.3%, CI: 22.9 to 42.7)	63 (67.7%, CI: 57.3–77.1)	1.000
School age	116 (55.5%, CI: 48.5–62.4)	37 (31.9%, CI: 23.6–41.2)	79 (68.1%, CI: 58.8–76.4)
Attend school	N=208	N=66	N=142
No	116 (55.8%, CI: 48.7 to 62.6)	40 (34.5%, CI: 25.9 to 43.9)	76 (65.5%, CI: 56.1 to 74.1)	0.419
Yes	92 (44.2%, CI: 37.4 to 51.3)	26 (28.3%, CI: 19.4 to 38.6)	66 (71.7%, CI: 61.4 to 80.6)
Schistosoma haematobium	N=198	N=67	N=131
No	48 (24.2%, CI: 18.4 to 30.8)	20 (41.7%, CI: 27.6 to 56.8)	28 (58.3%, CI: 43.2 to 72.4)	0.254
Yes	150 (75.8%, CI: 69.2 to 81.6)	47 (31.3%, CI: 24.0 to 39.4)	103 (68.7%, CI: 60.6 to 76.0)
STH	N=197	N=67	N=130
No	137 (69.5%, CI: 62.6 to 75.9)	55 (40.1%, CI: 31.9 to 48.9)	82 (59.9%, CI: 51.1 to 68.1)	0.010
Yes	60 (30.5%, CI: 24.1 to 37.4)	12 (20.0%, CI: 10.8 to 32.3)	48 (80.0%, CI: 67.7 to 89.2)
H. nana	N=197	N=68	N=129
No	177 (89.8%, CI: 84.8 to 93.7)	59 (33.3%, CI: 26.4 to 40.8)	118 (66.7%, CI: 59.2 to 73.6)	0.428
Yes	20 (10.2%, CI: 6.3 to 15.2)	9 (45.0%, CI: 23.1 to 68.5)	11 (55.0%, CI: 31.5 to 76.9)
P. falciparum	N=208	N=77	N=131
No	194 (93.3%, CI: 89.0 to 96.3)	70 (36.1%, CI: 29.3 to 43.3)	124 (63.9%, CI: 56.7 to 70.7)	0.450
Yes	14 (6.7%, CI: 3.7 to 11.0)	7 (50.0%, CI: 23.0 to 77.0)	7 (50.0%, CI: 23.0 to 77.0)
Anaemia	N=207	N=82	N=125
No	48 (23.2%, CI: 17.6 to 29.5)	17 (35.4%, CI: 22.2 to 50.5)	31 (64.6%, CI: 49.5 to 77.8)	0.610
Yes	159 (76.8%, CI: 70.5 to 82.4)	65 (40.9%, CI: 33.2 to 48.9)	94 (59.1%, CI: 51.2 to 66.8)

STH, soil-transmitted helminths