Factors | Description (n) | % symptomatic infections (n) | Univariate analysis | Multivariate analysis | ||
---|---|---|---|---|---|---|
HR [95% CI] | P value | HR [95% CI] | P value | |||
Asymptomatic infection at the end of dry season | Yes (67) | 34.3 (23) | 1.826 [1.165–2.861] | 0.0086 | 1.561 [0.988–2.467] | 0.057 |
No (241) | 19.7 (121) | Ref. | Â | Ref. | Â | |
Sex | F (383) | 19.6 (73) | 1.306 [0.941–1.815] | 0.11 |  |  |
M (295) | 24.1 (71) | Ref. | Â | Â | Â | |
Age groups (years) | < 5 (129) | 7.7 (10) | Ref. |  | Ref. |  |
5–14 (296) | 23.6 (70) | 3.404 [1.751–6.617] | 0.0003 | 3.404 [1.746–6.638] | 0.0003 | |
≥ 15 (253) | 25.5 (64) | 3.656 [1.751–7.131] | 0.0001 | 3.951 [2.024–7.714] | < 0.0001 | |
Village of residence | J (107) | 23.4 (25) | 2.024 [0.945–4.337] | 0.07 | 2.115 [0.980–4.562] | 0.056 |
K (304) | 16.4 (20) | 1.347 [0.663–2.740] | 0.41 | 1.299 [0.636–2.651] | 0.47 | |
N (73) | 12.3 (9) | Ref. | Â | Ref. | Â | |
P (196) | 30.6 (60) | 2.721 [1.350–5.484] | 0.0051 | 1.218 [0.966–1.536] | 0.095 | |
History of fever in the past week | Yes (21) | 19.0 (4) | 0.889 [0.325–2.435] | 0.82 | 2.717 [1.344–5.494] | 0.0054 |
No (647) | 27.7 (134) | Ref. | Â | Â | Â | |
Anaemiaa | No (370) | 23.2 (86) | 1.672 [1.044–2.677] | 0.032 | 1.744 [1.187–2.797] | 0.0231 |
Mild (155) | 14.2 (22) | Ref. | Â | Ref. | Â | |
Moderate (135) | 22.2 (30) | 1.619 [0.932–2.813] | 0.087 | 1.620 [0.933–2.812] | 0.087 | |
Severe (10) | 20.0 (2) | 1.459 [0.341–6.231] | 0.61 | 1.335 [0.312–5.723] | 0.07 | |
Fever at inclusion | Yes (7) | 14.3 (1) | 0.535 [0.074–3.872] | 0.676 |  |  |
No (663) | 21.0 (139) | Ref. | Â | Â | Â |