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Table 1 Prevalence of fever in last two weeks, on the day of survey and treatment seeking (N = 26,471) and malaria infection tested using rapid diagnostic tests (N = 21,988) by gender, age, residence, used of insecticide treated nets (ITN) and wealth quintile.

From: Self-reported fever, treatment actions and malaria infection prevalence in the northern states of Sudan

  Number of persons interviewed Fever Malaria infection
   Fever last 2 weeks % (95% CI) (n/N = 5,299/26471) Fever on survey day % (95% CI) (n/N = 2,370/2,6471) Fevers for which treatment was sought (n/N = 2,035/5,299) Positive % (95% CI) (n/N = 489/21,988) *2
Gender      
Male 11,720 16.8 (15.6-17.9) 7.3 (6.4-8.1) 42.6 (39.2-46.0) 2.1 (1.6-2.7)
Female 14,751 20.9 (19.6-22.2) 9.1 (8.3-10.0) 36.7 (34.2-39.2) 1.5 (1.1-2.0
* 1 Age      
<1 1,148 20.7 (18.3-23.3) 11.0 (8.9-13.2) 45.2 (37.7-52.6) 2.1 (1.1-3.2)
1-4 3,982 23.3 (21.3-25.3) 7.8 (6.6-9.0) 44.2 (40.1-48.2) 2.0 (1.2-2.9)
5-9 4,145 15.9 (14.3-17.5) 7.1 (6.0-8.2) 40.2 (35.0-45.3) 3.0 (2.0-4.0)
10-19 5,432 14.5 (13.1-15.8) 5.9 (5.0-6.9) 37.0 (32.6-41.4) 2.1 (1.4-2.8)
>19 11,764 20.6 (19.4-21.8) 9.7 (8.9-10.6) 37.0 (34.4-39.6) 1.1(0.8-1.4)
Residence      
Urban 9459 16.1 (14.3-17.9) 6.9 (5.6-8.2) 46.1 (42.6-49.6) 0.8 (0.5-1.1)
Rural 17,012 21.2 (19.5-22.9) 9.4 (8.3-10.5) 35.0 (31.7-38.2) 2.4 (1.7-3.2)
Use of ITN      
No 23,377 18.6 (17.5-19.8) 7.9 (7.2-8.7) 38.9 (36.3-41.6) 2.4 (1.2-3.6)
Yes 3,094 22.2 (20.0-24.5) 11.1 (9.2-13.1) 39.5 (34.7-44.4) 1.6 (1.2-2.1)
Wealth quintile      
Least Poor 5,649 13.6 (12.0-15.3) 4.3 (3.3-5.2) 53.0 (48.6-57.4) 0.4 (0.2-0.7)
Second 5,776 14.9 (13.3-16.4) 5.9 (4.8-7.1) 44.2 (39.5-48.9) 1.1 (0.7-1.6)
Third 5,183 21.4 (19.2-23.7) 9.9 (8.3-11.6) 40.6 (36.4-44.8) 1.9 (1.1-2.6)
Fourth 5,006 22.3 (20.0-24.8) 10.9 (9.2-12.7) 34.5 (30.4-38.5) 3.3 (1.7-4.9)
Most Poor 4,857 26.4 (23.3-29.5) 12.8 (10.8-14.7) 27.2 (22.8-31.6) 2.7 (1.5-4.0)
Total 26,471 19.1 (17.9-20.2) 8.3 (7.6-9.1) 39.1 (36.6-41.5) 1.8 (1.3-2.2)
  1. Proportions are weighted and cluster adjusted.
  2. *167 individuals did not have age data
  3. *2 Of the 4,483 individuals who did not provide finger-prick sample for malaria testing, 51% were urban, 52% were male, with refusal highest in Khartoum state at 25%.