Table 6 |
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|
Prevalence (with 95% confidence limits) by age group of malaria parasitaemia and three measures of mild malaria morbidity in highland and lowland hamlets from monthly surveys in hamlets with or without treated nets in the post-intervention year. |
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| Altitude |
Treated Nets? |
Age group |
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|
|
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| 6 mo-2 yrs |
2–5 yrs |
6–12 yrs |
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|
|
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| % with malaria parasites |
High |
Yes |
31.4(26.1,36.7) |
44.3 (40.6, 48.0) |
49.4 (46.3, 52.6) |
| No |
54.1(48.9,59.5) [2.60***(1.86, 3.64)] |
73.0(69.9,76.1) [3.55***(1.95, 6.49)] |
67.7 (65.0, 70.5) [2.14***(1.39, 3.28)] |
||
| Low |
Yes |
63.1(56.2,69.9) |
78.3 (74.9, 81.7) |
80.6 (77.9 (83.3) |
|
| No |
82.9 (77.8, 87.9) [2.80***(1.70, 4.59)] |
88.8(86.2,91.4) [2.21**(1.11, 3.68)] |
83.3 (80.9, 85.8) [1.25 n.s.(0.70, 2.23)] |
||
| % with malaria feverf |
High |
Yes |
2.3(0.6,4.1) |
1.8(0.8,2.8) |
0.4 (0.0, 0.8) |
| No |
7.4(4.6,10.2) [3.10**(1.27, 7.60)] |
4.5(3.1,5.9) [2.70**(1.31, 5.57)] |
1.2(0.6,1.9) [2.71* (1.06, 6.93)] |
||
| Low |
Yes |
5.1 (2.0,8.3) |
3.2(1.7,4.6) |
1.3(0.6,2.1) |
|
| No |
14.8 (10.0, 19.6) [3.14***(1.96, 5.02)] |
8.0 (5.7, 10.2) [2.56**(1.32, 4.97)] |
1.0(0.4,1.7) [0.76 n.s.(0.26, 2.22)] |
||
| % anaemicw (<8 g Hb/dl) |
High |
Yes |
3.9(1.6,6.2) |
2.0 (0.9,3.0) |
0.7(0.1,1.2) |
| No |
19.9(15.5,24.3) [5.86***(2.89, 11.87)] |
4.3 (2.9, 5.8) [2.43**(1.31, 4.51)] |
2.2(1.3,3.0) [2.94**(1.27, 6.82)] |
||
| Low |
Yes |
15.4(10.3,20.6) |
3.4(1.9,4.8) |
2.1(1.1,3.1) |
|
| No |
37.5(31.0,44.0) [3.59***(2.01, 6.40)] |
8.2 (5.9, 10.4) [2.75**(1.39, 5.43)] |
4.2 (2.9, 5.5) [1.85 n.s.(0.83, 4.12)] |
||
| % with splenomegaly |
High |
Yes |
12.4(8.6,16.1) |
26.1(22.9,29.3) |
33.3 (30.3, 36.3) |
| No |
39.2 (34.0, 44.5) [4.93***(2.51, 9.70)] |
52.5 (49.0, 56.0) [3.23**(1.53, 6.84)] |
52.9 (50.0, 55.9) [2.32**(1.21, 4.46)] |
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| Low |
Yes |
51.1(43.9,58.2) |
70.8 (67.0, 74.6) |
56.0 (52.5, 59.5) |
|
| No |
69.6 (63.4, 75.8) [2.18*(1.09,4.34)] |
75.4(71.8,79.0) [1.26 n.s.(0.80, 1.99)] |
60.8(57.6,64.1) [1.25 n.s.(0.88, 1.76)] |
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|
|
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|
[Shown in square parentheses are odds ratios (with 95% confidence limits) in hamlets without nets relative to values of 1.0 in corresponding hamlets with nets] Footnotes as for Table 5. |
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|
Maxwell et al. Malaria Journal 2003 2:28 doi:10.1186/1475-2875-2-28 |
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