In this section you can find relevant articles on model-based geostastics, including trachoma and other NTDs.
Sasanami et al., 2023 Sasanami and Giorgi_2023.pdf
Johnson et al., 2021 Johnson and Diggle_2021.pdf
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- Introduction to Geostatistics and Tropical Data
- Introductory webinar to geostatistical approaches
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- What is model-based geostatistics (MBG)?
- How is MBG different from the current method for estimating trachoma prevalence?
- What is the Probability of being Below Threshold (PBT)?
- How will the PBT threshold be decided?
- Does MBG replace the need for surveys?
- Do more or fewer clusters need to be visited when using the MBG approach for survey design?
- How has MBG been used so far within the context of trachoma elimination?
- What is required in order to run MBG?
- Can MBG be used to estimate prevalence in inaccessible EUs?
- Can MBG be used when there is large population movement?
- Can MBG be used for islands in an archipelago community?
- Is it possible to use MBG for an entire country?
- Where is the funding coming from to support the research and the Tropical Data development?
- Is there any support available for health ministries interested in implementing MBG?
- When will we have official confirmation from WHO/Tropical Data to use MBG?
- Who owns the MBG output?
- How do we decide between two different outputs, one from the standard analysis and one from MBG?
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- How does MBG work in the context of trachoma elimination?
- Who chooses the covariates to be included in the model?
- Where are the covariate data sourced from?
- Is it possible to "borrow" data from a long distance away, or does MBG work better when districts are contiguous?
- Can data over 5 years old be used?
- Has ground-truthing been done already or is there a plan to do it to validate the outcome of MBG?
- Is it possible to run MBG when there is very little trachoma, i.e. minimal TT?
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- Glossary of terms
- Technical Consultation summary, Lancaster, March 2024