Table 3.
Univariate and multivariate logistic regression analysis on presence of fever (axillary body temperature > 37.5°C) in 1,767 subjects participating in six surveys from 2009 to 2012 in Bourasso village, Nouna Health District, north-western Burkina Faso
| |
Univariate |
Multivariate |
||
|---|---|---|---|---|
| No fever | Fever | OR (p-value) | OR (p-value) | |
| Season |
|
|
|
|
| Wet season |
69.9% (613/877) |
30.1 (264/877) |
Reference |
reference |
| Dry season |
88.8% (790/890) |
11.2 (100/890) |
0.29 (<0.001) |
0.31 (<0.001) |
| Age groups* |
|
|
|
|
| 0–4 years |
77.7% (240/309) |
23.3% (69/309) |
Reference |
Reference |
| 5–14 years |
73.1% (457/625) |
26.9% (168/625) |
1.28 (0.13) |
1.39 (0.06) |
| 15–24 years |
79.5% (186/234) |
20.5% (48/234) |
0.90 (0.61) |
0.98 (0.94) |
| 25–45 years |
82.9% (295/356) |
17.1% (61/356) |
0.72 (0.09) |
0.88 (0.53) |
| > 45 years |
92.5% (221/239) |
7.5% (18/239) |
0.28 (<0.001) |
0.31 (<0.001) |
| Parasite prevalence |
|
|
|
|
| Slide positive [%] (total number) |
73.7 (558/757) |
26.3 (199/757) |
1.83 (<0.001) |
|
| Parasite density** |
|
|
|
|
| no parasites |
60.6% (849/1401) |
45.2% (164/363) |
Reference |
Reference |
| 1–500 parasites/μl |
22.9% (321/1401) |
24.8% (90/363) |
1.45 (0.01) |
1.00 (0.96) |
| 501–1000 parasites/μl |
5.9% (83/1401) |
7.4% (27/363) |
1.68 (0.028) |
1.03 (0.90) |
| 1001–2500 parasites/μl |
4.6% (64/1401) |
7.2% (26/363) |
2.10 (0.003) |
1.08 (0.77) |
| 2501–5000 parasites/μl |
2.9% (40/1401) |
4.4% (16/363) |
2.07 (0.018) |
0.97 (0.92) |
| 5001–10 000 parasites/μl |
1.9% (26/1401) |
5.0% (18/363) |
3.58 (<0.001) |
1.69 (0.12) |
| > 10 000 parasites/μl |
1.3% (18/1401) |
6.2% (22/363) |
6.33 (<0.001) |
3.08 (0.001) |
| cough | 77.3% (136/176) | 22.7 (40/176) | 1.15 (0.462) | 0.96 (0.85) |
*Information on age missing in four patients.
** Information on parasite density missing in three patients.