Table 3 Prevalence and severity of anaemia as affected by altitude, age, sex, asymptomatic malaria, sub microscopic infection and febrile status
Variable | Category | No. examined | Anaemia prevalence % (n) | Anaemia severity prevalence | |||
|---|---|---|---|---|---|---|---|
No. examined | Severe % (n) | Moderate % (n) | Mild % (n) | ||||
Altitude | Lowland | 423 | 54.6 (221) | 221 | 3.2 (7) | 54.3 (120) | 42.5 (94) |
Middle belt | 405 | 72.7 (357) | 357 | 3.9 (14) | 54.1 (193) | 42.0 (150) | |
Highland | 491 | 57.7 (244) | 244 | 7.8 (19) | 53.7 (131) | 38.5 (94) | |
χ2 P | 36.804,  < 0.001*** | 6.828, 0.145 | |||||
Sex | Male | 652 | 62.4 (407) | 407 | 54.4 (22) | 54.3 (221) | 40.3 (164) |
Female | 667 | 62.2 (415) | 415 | 4.3 (18) | 53.7 (223) | 41.9 (174) | |
χ2 P | 0.006 0.939 | 0.627 0.731 | |||||
Age group (Years) |  < 5 | 503 | 73.8 (371) | 371 | 7.8 (29) | 58.8 (218) | 33.4 (124) |
5–9 | 557 | 62.5 (348) | 348 | 2.3 (8) | 52.0 (181) | 45.7 (159) | |
10–14 | 259 | 39.8 (103) | 103 | 2.9 (3) | 43.7 (45) | 53.4 (55) | |
χ2 P | 84.121  < 0.001*** | 26.885  < 0.001*** | |||||
Asymptomatic malaria status | Positive | 432 | 68.1 (294) | 294 | 4.1 (12) | 50.0 (147) | 45.9 (135) |
Negative | 839 | 58.0 (487) | 487 | 5.3 (26) | 56.7 (276) | 38.0 (185) | |
χ2 P | 12.062  < 0.001*** | 84.121  < 0.001*** | |||||
Sub-microscopic status | Positive | 175 | 78.3 (137) | 137 | 4.4 (6) | 64.2 (88) | 31.4 (43) |
Negative | 225 | 43.1 (97) | 97 | 6.2 (6) | 43.3 (42) | 50.5 (49) | |
χ2 P | 50.167  < 0.001*** | 10.127  < 0.006** | |||||
Febrile status | Febrile | 112 | 67.0 (75) | 75 | 2.7 (2) | 62.7 (47) | 34.7 (26) |
Afebrile | 1207 | 61.9 (747) | 747 | 5.1 (38) | 53.1 (397) | 41.8 (312) | |
χ2 P | 1.124  < 0.289 | 2.800 0.247 | |||||