2018
The Brazilian food security scale for indigenous Guarani households: Development and validation
Segall-Corrêa A, Marín-Leon L, do Amaral Azevedo M, Ferreira M, Gruppi D, Camargo D, de Toledo Vianna R, Pérez-Escamilla R. The Brazilian food security scale for indigenous Guarani households: Development and validation. Food Security 2018, 10: 1547-1559. DOI: 10.1007/s12571-018-0847-7.Peer-Reviewed Original ResearchFood Security ScaleDiverse indigenous groupsSecurity ScaleGuarani peopleIndigenous communitiesSocial indicatorsIndigenous peoplesIndigenous groupsGuarani communitiesMixed-methods studyScale's external validityEthnic groupsQualitative phaseFull consultationHouseholdsPeopleCommunityExternal validitySao PauloPartnershipCountriesScale itemsVillagesResponse optionsRepresentatives
2014
Is the Latin American and Caribbean Food Security Scale an Appropriate Instrument for Mexican Urban Older Adults?
Vilar-Compte M, Bernal-Stuart A, Orta-Alemán D, Ochoa-Rivera T, Pérez-Escamilla R. Is the Latin American and Caribbean Food Security Scale an Appropriate Instrument for Mexican Urban Older Adults? The Journal Of Frailty & Aging 2014, 3: 173-9. PMID: 27050064, DOI: 10.14283/jfa.2014.20.Peer-Reviewed Original ResearchOlder adultsFace validityInitial focus groupsCaribbean Food Security ScalePotential detrimental health effectsFocus groupsLow socioeconomic statusUrban older adultsMost scale itemsDetrimental health effectsAdditional focus groupsFood Security ScaleHealth effectsSocioeconomic statusFurther qualitative researchAdultsFinal focus groupELCSAVulnerable groupsScale itemsHigher proportionGroupQualitative studyAppropriate instrumentSecurity Scale
2011
Are the Latin American and Caribbean Food Security Scale (ELCSA) items comparable across countries?
Perez‐Escamilla R, Paras P, Acosta M, Peyrou S, Nord M, Hromi‐Fiedler A. Are the Latin American and Caribbean Food Security Scale (ELCSA) items comparable across countries? The FASEB Journal 2011, 25: 226.8-226.8. DOI: 10.1096/fasebj.25.1_supplement.226.8.Peer-Reviewed Original ResearchPublic opinion surveysHousehold food insecurityProportion of householdsOpinion surveyFood insecurityFood securityCountriesCaribbean regionChild itemsSocial unacceptabilityRasch model assumptionsHouseholdsRepresentative sampleUruguayELCSABalanced mealsMexicoInsecuritySeverity orderGuanajuatoScale itemsSecurity