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Table 5 Adjusted confidence intervals of the percentage point changes in the SPR at facility level

From: Assessing the effect of indoor residual spraying (IRS) on malaria morbidity in Northern Uganda: a before and after study

Months past after IRS

xb

lb

ub

Overall SPR

  0

27.61

23.20

32.02

  1

24.16

20.00

28.31

  2

21.57

17.18

25.95

  3

21.08

15.89

26.28

  4

27.44

21.99

32.88

  5

24.87

18.38

31.37

  6

32.88

10.00

55.76

SPR <5 years

  0

29.97

24.70

35.25

  1

27.79

22.81

32.76

  2

28.73

23.47

33.99

  3

26.62

20.41

32.82

  4

32.75

26.26

39.24

  5

28.64

20.78

36.50

  6

30.74

1.049

60.42

SPR >5 years

  0

26.53

20.05

33.00

  1

22.50

16.41

28.60

  2

17.02

10.57

23.48

  3

18.35

10.70

26.00

  4

27.26

19.30

35.23

  5

23.13

13.54

32.71

  6

34.47

0.92

68.02

  1. xb linear prediction, lb 95% confidence interval, lower boundary, ub 95% confidence interval, upper boundary