Age group

Malaria prevalence

Rural

urban

Grand total

Level of significance between localities

≤7

71(100.00)

50(78.13)

121(89.63)

χ 2 = 17.33 p < 0.001

8-9

66(95.65)

40(83.33)

106(90.60)

χ 2 = 5.04 p = 0.025

10-14

80(83.33)

82(86.32)

162(84.81)

χ 2 = 0.05 p = 0.816

Total

217(92.34)

172(82.70)

389(87.81)

χ2 = 9.60  p = 0.002

Level of significance between age groups

X2 = 5.84  p < 0.001

X2 = 1.44 p = 0.486

 

 

Age group

Malaria parasite density(GMPD/µl)

Range

 

≤7

490 ± 2175

176 ± 1017

40-5280

U= 925.00 p < 0.0001

8-9

229 ± 2510

398 ± 4477

40-20000

U = 954.00 p = 0.022

10-14

196 ± 1069

250 ± 1167

40-8000

U = 2955.00 p = 0.274

Total

277 ± 1988

251 ± 2400

40-20000

U = 17669.00 p = 0.407

Level of significance between age groups

F = 12.80  p < 0.001 df = 2

F = 4.72  p = 0.01 df = 2

 

 

Table 1: The effect of age on malaria prevalence and parasite densities in rural and urban areas.