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Table 1 Weighted distribution of characteristics of apparently healthy children aged 0–15 years enrolled between January 2011 and April 2015 from the north-central and northwest regions of Uganda

From: Age and geographic patterns of Plasmodium falciparum malaria infection in a representative sample of children living in Burkitt lymphoma-endemic areas of northern Uganda

  N = 1150 Weighted % (95% CI)
Age group, years
 0–5 326 28.0 (25.0–31.0)
 6–10 572 44.6 (41.6–47.7)
 11–15 252 27.4 (23.7–31.1)
Sex
 Female 541 47.9 (44.4–51.4)
 Male 609 52.1 (48.6–55.6)
Proximity to water
 Far (>500 m) 486 10.7 (8.1–13.4)
 Near (≤500 m) 664 89.3 (86.6–91.9)
Population density
 Low (<2683 children) 753 67.6 (60.0–75.2)
 High (≥2683 children) 397 32.4 (24.8–40)
Season
 Dry season 731 69.9 (57.7–82.2)
 Wet season 419 30.1 (17.8–42.3)
Region
 North-central 697 60.8 (46.9–74.8)
 Northwest 453 39.2 (25.2–53.1)
Indoor residual spraying (IRS) sub-region
 Not an IRS district 737 67.1 (53.1–81.0)
 IRS district 413 32.9 (19.0–46.9)
Indoor residual spraying (IRS) in house
 More than a year ago 752 68.7 (55.8–81.6)
 In the past year 392 31.3 (18.4–44.2)
Sub-regions
 1 113 7.9 (2.6–13.2)
 2 289 22.6 (10.5–34.6)
 3 51 8.7 (0.5–17.9)
 4 97 9.6 (2.1–17.1)
 5 303 34.5 (20.0–49.0)
 6 90 2.3 (0.1–4.4)
 7 207 14.5 (4.5–24.5)
Mother’s education
 Up to primary 4 581 55.3 (49.5–61.0)
 Primary 5 or higher 565 44.7 (39.0–50.5)
Mother’s income (Ugandan shillings)
 <30,000 USHS 560 55.7 (48.8–62.6)
 ≥30,000 USHS 585 44.3 (37.4–51.2)
Mosquito net used last night
 No 777 71.1 (63.4–78.8)
 Yes 366 28.9 (21.2–36.6)
Inpatient malaria
 No 725 63.4 (57.3–69.5)
 Past 12 months 150 12.6 (9.2–16.0)
 More than 12 months 269 24 (17.7–30.3)
Outpatient malaria
 No 523 36.5 (28.5–44.5)
 Past 12 months 532 55.6 (47.5–63.6)
 More than 12 months 89 7.9 (5.6–10.3)
  1. N shows unweighted numbers; totals in some categories may not add up to 100% because of missing data. Dry season months were January to March and July to August; Wet season months were April to June and September to December. Mother’s income was estimated in Ugandan shillings (30,000 Ugandan shillings are approximately equal to 10 US dollars). The survey estimates are weighted estimates that account for the differential probabilities in selecting the sample of children. Variance estimation takes the weights into account and also accounts for the clustering of the sample of children at the village level. The coefficient of variation of the final weights was 1.27 (defined as standard deviation/mean of the final weights)