Checklist S1 - Distribution of Schistosomiasis and Soil Transmitted Helminthiasis in Zimbabwe: Towards a National Plan of Action for Control and Elimination

STROBE checklist. 1. (a) The study design (b) An informative and balanced summary of what was done and what was found. 2. The scientific background and rationale for the investigation. 3. Specific objectives, including any pre-specified hypotheses. 4. Key elements of study design. 5. The setting, locations, and dates, periods of recruitment, exposure, follow-up, and data collection. 6. Eligibility criteria, and the sources and methods of selection of participants. 7. Outcomes, exposures, predictors, potential confounders, and effect modifiers. 8. Sources of data and details of methods of assessment (measurement). 9. Potential sources of bias. 10.The study size. 11. Quantitative methods. 12. Statistical methods (a) Statistical methods, including those used to control for confounding (b) Methods used to examine subgroups and interactions (c) Missing data (d) Analytical methods taking account of sampling strategy (e) Sensitivity analyses. 13. Participants (a) Numbers of individuals at each stage of study—e.g. numbers potentially eligible, examined for eligibility, confirmed eligible, included in the study, completing follow-up, and analysed (b) Reasons for non-participation. 14. (a) Characteristics of study participants (e.g. demographic, clinical, social) and information on exposures and potential confounders (b) Number of participants with missing data for each variable of interest. 15. Numbers of outcome events or summary measures. 16. Main results. 17.Other analyses done—e.g. analyses of subgroups and interactions, and sensitivity analyses. 18. Summary of key results with reference to study objectives. 19. Limitations of the study, taking into account sources of potential bias or imprecision. 20. Overall interpretation of results considering objectives, limitations, multiplicity of analyses, results from similar studies, and other relevant evidence. 21. The source of funding and the role of the funders.
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