Table 3.

Plasmodium falciparum infection prevalence by baseline characteristics, according to blood smear microscopic examination and HRP-2 test.

		Microscopy			Rapid diagnostic test
	No of observations	Prevalence (%)	95% CI	P-value (†)	Prevalence (%)	95% CI	P-value (†)
Sex				0.18			0.54
Female	320	31.3	[23.3-40.5]		56.3	[46.2-65.8]
Male	278	37.8	[28.2-48.5]		58.1	[44.0-71.3]
Geographical location
Division				0.40			0.93
TAN Litehu	303	31.7	[20.4-45.7]		56.8	[37.0-74.6]
TAN Namikupa	295	37.0	[30.9-43.5]		57.6	[46.6-67.9]
Ward				0.029			< 0.001
Mkoreha	97	42.3	[32.3-52.3]		67.0	[57.5-76.5]
Lyenje	109	38.5	[29.2-47.8]		70.6	[62.0-79.3]
Mihambwe	106	35.8	[26.6-45.1]		54.7	[45.1-64.4]
Chaume	99	35.4	[25.8-44.9]		56.6	[46.6-66.5]
Kitama	92	32.6	[22.8-42.4]		51.1	[40.7-61.5]
Mkonjowano	95	20.0	[11.8-28.2]		41.1	[31.0-51.1]
Age				<0.001			<0.001
0 to 4 years	104	63.5	[49.4-75.5]		76.9	[64.1-86.2]
5 to 9 years	73	72.6	[54.2-85.6]		91.8	[82.3-96.4]
10 to 24 years	138	39.1	[26.8-53.1]		73.2	[54.3-86.2]
>= 25 years	283	11.3	[7.8-16.1]		33.2	[24.0-44.0]
Total	598	34.3	[26.5-42.0]		57.2	[45.9-68.5]

(^†) Fisher's exact test