Table 1. Strongyloides stercoralis Seroprevalence in Children Aged 0–12 Years Before and After Ivermectin Mass Drug Administration.

	Baseline Seroprevalence, % (n/N)	12-Month Follow-up Seroprevalence, % (n/N)	Absolute Change, %	Relative Change, %
Age group
Children aged 0–12 years (all participants)	9.3 (50/539)	5.1 (23/448)	−4.2*	−45.2*
Children aged 0–4 years	3.2 (9/279)	3.5 (8/225)	+0.3	+9
Children aged 5–12 years	15.8 (41/260)	6.7 (15/223)	−9.1**	−57.6**
Community
1	14.3 (19/133)	5.2 (6/110)	−9.1	−36.4
2	2.2 (2/90)	2.1 (2/94)	−0.1	−4.5
3	11.4 (8/70)	6.9 (5/72)	−4.5	−60.5
4	9.0 (13/144)	6.7 (7/105)	−2.3	−25.6
5	7.8 (8/102)	4.9 (3/61)	−2.9	−37.2

^*P < .05.

^*P < .01.