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Table 3 Estimates (posterior median and 95% BCI) of the geostatistical model parameters based on the cluster level climatic (Model 1) and the individual level model (Model 2), DHS 2011

From: Challenges of DHS and MIS to capture the entire pattern of malaria parasite risk and intervention effects in countries with different ecological zones: the case of Cameroon

Factor

DHS

Model 1

Model 2

OR (95% BCI)

OR (95% BCI)

NDVI

1.41 (1.19; 1.68)

1.22 (0.99; 1.5)

Altitude (m)

 < 1000

1

1

 1000–1500

0.43 (0.26; 0.67)

0.37 (0.22; 0.61)

 > 1500

0.26 (0.11; 0.60)

0.14 (0.05; 0.35)

Sex

 Female

 

1

 Male

 

1.03 (0.90; 1.18)

Area type

 Rural

 

1

 Urban

 

0.72 (0.53; 0.96)

Wealth index

 Most poor

 

1

 Very poor

 

0.84 (0.66; 1.08)

 Poor

 

0.91 (0.67; 1.23)

 Less poor

 

0.78 (0.54; 1.12)

 Least poor

 

0.32 (0.21; 0.49)

Education level of mothers

 No education

 

1

 Primary

 

0.83 (0.69; 0.99)

 Secondary

 

0.68 (0.55; 0.85)

 University

 

0.47 (0.24; 0.89)

Age

 0–1a

 

1

 1–2

 

1.83 (1.43; 2.37)

 2–3

 

2.29 (1.78; 2.94)

 3–4

 

2.92 (2.28; 3.77)

 > 4

 

3.10 (2.41; 3.99)

% population access to an ITN in their household

 

0.23 (0.07; 0.74)

% of children with fever in the last 2 weeks who received ACT

 

1.33 (0.99; 1.76)

Spatial parameters

Posterior median (95% BCI)

Posterior media (95% BCI)

σ2

1.42 (1.09; 1.55)

1.43 (1.08; 1.97)

Range (km)

65.09 (44.90; 74.29)

81.63 (54.20; 134.54)

  1. aChildren less than 6 months were not surveyed