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Table 1 Comparison of census population for the study villages with that for entire sub-county, and enrolled households/participants with those that chose not to participate (refusals).

From: Plasmodium infection and its risk factors in eastern Uganda

Household Characteristics a

Study villages (n = 496)

Sub-county (n = 6,397)

P d

Participants (n = 438)

Refusals (n = 58)

P e

Residents: median(range)

5 (1-15)

5 (1-15)

0.99

5 (1-10)

3 (1-14)

<0.001

Construction of home:

      

   Mud and wattle

78.2%

72.8%

 

78.8%

71.0%

 

   Bricks

12.2%

16.5%

0.0

11.9%

19.4%

0.25

   Cement/concrete

9.6%

10.7%

 

9.4%

9.7%

 

Own ≥ one bed net

68.2%

64.7%

0.1

67.8%

62.9%

0.4

≥ 1 net per 2 residents

20.3%

16.3%

0.1

18.1%

33.9%

0.005

Own ≥ asset b

87.9%

89.1%

0.4

87.7%

87.1%

0.9

Socioeconomic group c

      

   Poorest

20.9%

22.7%

 

20.1%

20.3%

 

   Poor

21.8%

19.6%

 

22.6%

22.0%

 

   Median

18.7%

15.0%

0.0

18.5%

11.7%

0.7

   Less poor

19.3%

18.4%

 

19.2%

20.3%

 

   Least poor

19.3%

24.3%

 

19.6%

25.4%

 

Individual Characteristics a

Study villages

(n = 2358)

Sub-county

(n = 33,167)

P d

Participants

(n = 1844)

Refusals

(n = 514)

P e

Mean age in years (SD)

21.8 (21.1)

20.2 (20.0)

<0.001

21.3 (21.0)

22.6 (20.4)

<0.001

Age group

      

   Under 5 yrs

19.2%

19.6%

 

21.5%

16.1%

 

   School aged (5-15)

34.1%

36.0%

0.06

34.9%

29.4%

<0.001

   Adults (16 +)

46.8%

44.4%

 

43.6%

54.6%

 

Gender (% male)

49.2%

48.3%

0.3

45.2%

57.2%

<0.001

  1. a Ascertained during household census
  2. b assets include: iron, clock, factory-made mattress, bicycle, radio, television sofa, fridge, mobile phone, motorcycle and car
  3. c groups defined by scores from the first component of PCA (asset ownership) performed on census data from the four study villages
  4. d P-value: study village (all residents/households) vs. sub-county (all residents/households)
  5. e P-value: study participants vs. those resident in the study villages who chose not to participate