|
Variable
|
Total no.
|
No. with anaemia at presentation
|
OR (95% CI)
|
P value
|
AOR (95% CI)
|
P value
|
|---|
|
Gender
|
|
Female
|
437
|
158
|
1
| | | |
|
Male
|
522
|
197
|
1.1 (0.8–1.4)
|
0.66
|
–
|
–
|
|
Age (months)
|
|
> 15
|
837
|
296
|
1
| |
1
| |
|
≤ 15
|
114
|
56
|
1.8 (1.2–2.6)
|
0.01
|
1.5 (0.9–2.5)
|
0.09
|
|
Duration of illness (days)
|
|
≤ 2
|
295
|
92
|
1
| |
1
| |
|
> 2
|
330
|
138
|
1.6 (1.1–2.2)
|
0.01
|
1.5 (1.1–2.1)
|
0.02
|
|
Enrolment body temperature (°C)
|
|
≤ 37.4
|
357
|
143
|
1
| | | |
|
> 37.4
|
601
|
211
|
0.8 (0.6–1.1)
|
0.14
|
–
|
–
|
|
History of fever
|
|
Absent
|
169
|
70
|
1
| | | |
|
Present
|
789
|
284
|
1.2 (0.9–1.8)
|
0.22
|
–
|
–
|
|
Asexual parasitaemia (μL−1)
|
|
> 10,000
|
389
|
160
|
1
| |
1
| |
|
≤ 10,000
|
564
|
193
|
1.3 (1.1–1.8)
|
0.003
|
1.5 (1.1–2.2)
|
0.02
|
|
Gametocyte carriage at presentation
|
|
Absent
|
912
|
333
|
1
| | | |
|
Present
|
47
|
22
|
1.5 (0.6–2.8)
|
0.2
|
–
|
–
|
|
Season of enrolment
|
|
Dry (November–March)
|
69
|
24
|
1
| | | |
|
Wet (April–October)
|
890
|
331
|
1.1 (0.7–1.9)
|
0.79
|
–
|
–
|
|
Region of enrolment
|
|
Eastern flanka
|
456
|
180
|
1
| | | |
|
Western flankb
|
503
|
175
|
0.8 (0.6–1.1)
|
0.15
|
–
|
–
|
-
OR odd ratio, AOR adjusted odd ratio, CI confidence interval
-
aEastern flank includes: Numan, Neni, Ogbia and Ogwa in Adamawa, Anambra, Bayelsa and Imo States, respectively
-
bWestern flank includes: Kura, Ilorin, Ibadan and Bodinga in Kano, Kwara, Oyo and Sokoto States, respectively
