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dc.creatorRosero Bixby, Luis
dc.creatorGrimaldo Vásquez, Carmen
dc.creatorRaave, Carlos
dc.date.accessioned2016-01-05T19:37:21Z
dc.date.available2016-01-05T19:37:21Z
dc.date.issued1990
dc.identifier.citationhttp://heapol.oxfordjournals.org/content/5/1/30.full.pdf+html
dc.identifier.issn1460-2237
dc.identifier.issn0268-1080
dc.identifier.urihttps://hdl.handle.net/10669/15395
dc.descriptionArtículo científico -- Universidad de Costa Rica. Instituto de Investigaciones en Salud, 1990es_ES
dc.description.abstractThe Lot Quality Assurance Sampling (LOAS) method was developed in industry to determine at reasonable cost whether each lot of a shipment is acceptable, based on samples of a few elements from the lot. Acting as inspectors of quality control, the field supervisors of the Costa Rican primary health care programme used the LOAS technique to assess performance in all of the programme's 758 delivery points (lots). They selected probability samples of 20 households and classified the lot as unacceptable when the sample contained more than four unserved households. This 20-4 LOAS rule was aimed to identify lots with less than 70% coverage. Forty-three percent of lots were found unacceptable in their home visit schedule, and 25% unacceptable in vaccination coverage. The probability of accepting defective lots, or consumer risk, was estimated at 4%, and the probability of rejecting acceptable lots, or provider rik, was at 17%. As side results, it was found that 84% of children aged 1–2 years were fully vaccinated, and an estimated 58% of households had been visited in the last six months. A household survey showed that clinic records, which serve as both a sampling frame and source of information for the LOAS assessment, produce accurate estimates of vaccination coverage but contain biased information about home visit dates. Given the chronic lack of timely and accurate information from service statistics, and the high costs of conventional sampling surveys, the LOAS technique appears to be a cost-efficient alternative for monitoring delivery points of primary health care in some circumstances.es_ES
dc.description.sponsorshipUniversidad de Costa Rica. Instituto de Investigaciones en Saludes_ES
dc.language.isoen_USes_ES
dc.sourceHealth Policy and Planning 5 (1): 30-39es_ES
dc.subjectCosta Ricaes_ES
dc.subjectPrimary Health Care (PHC)es_ES
dc.subjecthealth educationes_ES
dc.subjectbasic health carees_ES
dc.subjectPublic healthes_ES
dc.titleMonitoring a primary health care program with lot quality assurance sampling: Costa Rica, 1987es_ES
dc.typeartículo original
dc.description.procedenceUCR::Vicerrectoría de Investigación::Unidades de Investigación::Ciencias de la Salud::Instituto de Investigaciones en Salud (INISA)es_ES


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