Lymphatic filariasis control in Tanzania: effect of six rounds of mass drug administration with ivermectin and albendazole on infection and transmission

Table 6 Antibodies to Bm14 in children from the study communities and the study schools

	Study population	Time (number) of survey	Survey population	No. examined (%)	Mean age years	No. positive (%)	GMI* for all examined
Community surveys	Kirare	Nov-11 (8)	178	120 (67.4)	10.1	33 (27.5)	0.3384
	Kiomoni	Nov-11 (8)	145	107 (73.8)	9.9	24 (22.4)	0.2776
	Kisimatui	Nov-11 (8)	180	129 (71.7)	9.4	25 (19.4)	0.2468
	All 3 communities combined	Nov-11 (8)	503	356 (70.8)	9.8	82 (23.0)	0.2865
School surveys	All 4 schools combined	Nov-10 (7)	453	362 (79.9)	7.4	61 (16.9)^#	0.2776^§
		Dec-11 (8)	382	334 (87.3)	7.2	38 (11.4)^#	0.2153^§

Results shown are from children (5-14 years) from two hamlets of Kirare (Mtambuuni, Mashine), one hamlet of Kiomoni (Mabavu) and one hamlet of Kisimatui (Majengo) in community survey 8, and from Standard 1 children from four of the study schools (Kirare, Marungu, Kiomoni and Mafuriko) in survey 7 and 8. Findings from survey 1-5 in Kirare (all four hamlets) are given in [6].
* Geometric mean intensity, in OD-values.
^# p = 0.039 (Pearsons chi-square test).
^§ p = 0.032 (independent sample t-test on log-transformed OD-values).

ISSN: 1471-2334