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Table 1 Prevalence of malaria infection in relation to demographic and clinical characteristics based on malaria rapid diagnostic test and microscopic examination

From: Malaria among rice farming communities in Kilangali village, Kilosa district, Central Tanzania: prevalence, intensity and associated factors

Variables Number Malaria infection by malaria rapid diagnostic test Number Malaria infection by microscopy
Yes n (%) No n (%) Chi-square test P-value Yes n (%) No n (%) Chi-square test P-value
Age groups (years)
 1–10 454 102 (22.5) 352 (77.5) 52.9345 0.001 456 62 (13.6) 394 (86.4) 1.8389 0.87
 11–20 235 63 (26.8) 172 (73.2) 244 40 (16.4) 204 (83.6)
 21–30 139 10 (7.2) 129 (92.8) 140 22 (15.7) 118 (84.3)
 31–40 93 8 (8.6) 85 (91.4) 92 12 (13.0) 80 (86.9)
 41–51 88 8 (9.1) 80 (90.9) 89 11 (12.4) 78 (87.6)
 ≥51 121 8 (6.2) 121 (93.8) 130 17 (13.1) 113 (86.9)
Sex
 Female 626 92 (14.7) 534 (85.3) 7.5939 0.01 632 75 (11.9) 557 (88.1) 6.5054 0.011
 Male 511 107 (20.9) 404 (79.1) 519 89 (17.2) 430 (82.9)
Subvillages
 Chamwino 129 19 (14.7) 110 (85.3) 6.9861 0.22 129 19 (14.7) 110 (85.3) 12.2958 0.031
 Kisiwani 122 23 (18.9) 99 (81.2) 123 18 (14.6) 105 (85.4)
 Kwamtunga 195 19 (9.7) 176 (90.3) 197 25 (12.7) 172 (87.2)
 Makuruwili 132 22 (16.7) 110 (83.3) 131 32 (24.4) 99 (75.6)
 Mlegeni 109 20 (18.4) 89 (81.7) 109 26 (23.9) 83 (76.2)
 Upogoroni 126 18 (14.3) 108 (85.7) 126 20 (15.9) 106 (84.1)
Splenomegaly
 Absent 540 123 (22.8) 417 (77.22) 20.5162 0.001 551 70 (12.7) 481 (87.3) 4.0167 0.045
 Present 17 12 (70.6) 5 (29.4) 17 5 (29.4) 12 (70.6)
Anaemia (g/dl)
 Not anaemic 701 104 (14.8) 597 (85.2) 11.3177 0.001 707 87 (12.3) 620 (87.7) 6.3912 0.011
 Anaemic 368 85 (23.1) 283 (76.9) 373 67 (17.9) 306 (82.0)
Mosquito nets use
 No 153 33 (21.6) 120 (78.4) 1.9592 0.16 152 33 (21.7) 119 (78.3) 8.0835 0.004
 Yes 980 166 (16.9) 814 (83.1) 995 130 (13.1) 865 (86.9)