Table 4 Posterior median and 95 % Bayesian credible intervals (BCI) of the geostatistical model based on environmental/climatic, malaria intervention coverage and SES predictors

Variables

OR (95 % BCI)

OR (95 % BCI)

OR (95 % BCI)

 LSTN

0.78 (0.69, 0.88)

0.81 (0.72, 0.90)

0.82 (0.72, 0.93)

 Rice field proximity

0.49 (0.27, 0.81)

0.56 (0.34, 0.98)

0.73 (0.43, 0.99)

  No

1.00

  Yes

0.49 (0.27, 0.81)

0.56 (0.34, 0.98)

0.73 (0.43, 0.99)

Area type

 Urban

1

 Rural

3.91 (2.88, 5.22) 

2.50 (1.89, 3.35)

2.36 (1.79, 3.13)

SES

 Most poor

 Very poor

0.76 (0.61, 0.95)

0.77 (0.61, 0.96)

 Poor

0.90 (0.71, 1.14)

0.92 (0.73, 1.16)

 Less poor

0.70 (0.55, 0.89)

0.71 (0.56, 0.90)

 Least poor

0.32 (0.24, 0.43)

0.33 (0.25, 0.45)

Age (years)

 0–1

 1–2

1.56 (1.23, 1.56)

1.21 (0.95, 1.55)

 2–3

1.72 (1.35, 2.21)

1.71(1.33, 2.19)

 3–4

1.88 (1.48, 2.41)

1.87 (1.47, 2.39)

 4–5

2.08 (1.62, 2.67)

2.07 (1.61, 2.65)

Mother’s education

 No education

  Primary

1.08 (0.89, 1.31)

0.85 (0.71, 1.03)

  Secondary

1.06 (0.74, 1.54)

0.88 (0.61, 1.27)

  Higher

1.44 (0.29, 6.49)

0.42 (0.05, 2.13)

Case management (ACT)

–

1.45 (0.49, 4.21)

0.13 (−1.49, 1.67)

U5 sleep under net (ITNsU5)

–

1.66 (0.89, 3.08)

0.25 (−0.37, 0.90)

House Spray (IRS)

–

1.14 (0.17, 7.23)

0.11 (−1.75, 1.70)

Variances

 Gaussian process

0.87 (0.66, 1.15)

0.6 (0.44, 0.80)

0.55(0.39, 073)

 Spatially varying ITNsU5

0.57 (0.38, 0.88)^b

 Spatially varying IRS

0.76 (0.42, 1.75)^b

 Spatially varying ACT

0.75 (0.42, 1.84)^b

 Range (km)^a

10.61 (2.39, 20.82)

3.00 (0.40, 10.00)

2.70 (0.44, 9.75)