ความชุกความไม่มั่นคงทางอาหารของประชากร โดยใช้เกณฑ์การวัดประสบการณ์ความไม่มั่นคงทางอาหาร

45 Trial 3: Output Acceptable range Problematic items Interpretation Decision/action/notes Infit 0.7-1.3 Outfit <2 Residual correlation < |0.4| for a pair of items Rasch reliability >0.7 (8-item scale) or >0.6 (7-item scale) Conclusion: Final scale to be used for food insecurity prevalence calculation 9. Which items were dropped, if any? ___-________________________________ 10. Reason __-_________________________________________________________ 11. Notes for future applications of the FIES Report on any investigation of how well the scale performed among sub-groups. The results from above may point to the need for extra attention to translation/cultural adaptation of certain items and/or for certain languages or sub-populations in future surveys. ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ ____________________________________________________________________ Calculation of food insecurity prevalence rates Sample Food insecurity prevalence rates should be calculated using only cases with “yes” or “no” responses to ALL of the FIES questions included in the final scale. While cases with extreme raw scores were not used for the statistical validation step, they should be included now for the calculation of prevalence rates.