Can local staff reliably assess their own programs A confirmatory test-retest study of Lot Quality Assurance Sampling data collectors in UgandaReportar como inadecuado




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BMC Health Services Research

, 16:396

Health systems and services in low and middle income settings

Abstract

BackgroundData collection techniques that routinely provide health system information at the local level are in demand and needed. LQAS is intended for use by local health teams to collect data at the district and sub-district levels. Our question is whether local health staff produce biased results as they are responsible for implementing the programs they also assess.

MethodsThis test-retest study replicates on a larger scale an earlier LQAS reliability assessment in Uganda. We conducted in two districts an LQAS survey using 15 local health staff as data collectors. A week later, the data collectors swapped districts, where they acted as disinterested non-local data collectors, repeating the LQAS survey with the same respondents. We analysed the resulting two data sets for agreement using Cohens’ Kappa.

ResultsThe average Kappa score for the knowledge indicators was k = 0.43 SD = 0.16 and for practice indicators k = 0.63 SD = 0.17. These scores show moderate agreement for knowledge indicators and substantial agreement for practice indicators. Analyses confirm that respondents were more knowledgeable on retest; no evidence of bias was found for practice indicators.

ConclusionThe findings of this study are remarkably similar to those produced in the first reliability study. There is no evidence that using local healthcare staff to collect LQAS data biases data collection in an LQAS study. The bias observed in the knowledge indicators was most likely due to a ‘practice effect’, whereby respondents increased their knowledge as a result of completing the first survey; no corresponding effect was seen in the practice indicators.

KeywordsLQAS Lot Quality Assurance Sampling Test retest Cohen’s kappa Bias AbbreviationsCIConfidence interval

HIVHuman immunodeficiency virus

HMISHealth management information system

LQASLot quality assurance sampling

NGONon-governmental organisation

SASupervision area

SDStandard deviation

STISexually transmitted infection

TBTuberculosis

UNUnited nations

UNICEFUnited nations children’s fund

WHOWorld health organisation

Electronic supplementary materialThe online version of this article doi:10.1186-s12913-016-1655-4 contains supplementary material, which is available to authorized users.

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Autor: Colin A. Beckworth - Robert Anguyo - Francis Cranmer Kyakulaga - Stephen K. Lwanga - Joseph J. Valadez

Fuente: https://link.springer.com/



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