Simplificação do método de estimação da densidade larvária de Aedes aegypti no Estado de São Paulo

Alves, Maria Cecília Goi Porto; Silva, Nilza Nunes da

doi:10.1590/s0034-89102001000500010

Cited by 11 publications

(12 citation statements)

References 3 publications

(2 reference statements)

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“…When disclosing the results of the Household Expenditure Survey of 2015/2016, the National Statistical Institute of Portugal proposed that estimates with coefficients of variation between 20% and 30% should be carefully used and those with coefficients above 30% should be disregarded j . These limits, as well as those proposed in other health studies 3 , 6 , coincide with those adopted in our study.…”

Section: Discussionsupporting

confidence: 93%

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Sampling plan in health surveys, city of São Paulo, Brazil, 2015

Alves¹,

Escuder²,

Goldbaum³

et al. 2018

Rev. saúde pública

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OBJECTIVETo evaluate the sampling plan of the Health Survey of the City of São Paulo (ISA-Capital 2015) regarding the accuracy of estimates and the conformation of domains of study by the Health Coordinations of the city of São Paulo, Brazil.METHODSWe have described the population, domains of study, and sampling procedures, including stratification, calculation of sample size, and random selection of sample units, of the Health Survey of the City of São Paulo, 2015. The estimates of proportions were analyzed in relation to precision using the coefficient of variation and the design effect. We considered suitable the coefficients below 30% at the regional level and 20% at the city level and the estimates of the design effect below 1.5. We considered suitable the strategy of establishing the Health Coordinations as domains after verifying that, within the coordinations, the estimates of proportions for the age and sex groups had the minimum acceptable precision. The estimated parameters were related to the subjects of use of services, morbidity, and self-assessment of health.RESULTSA total of 150 census tracts were randomly selected, 30 in each Health Coordination, 5,469 households were randomly selected and visited, and 4,043 interviews were conducted. Of the 115 estimates made for the domains of study, 97.4% presented coefficients of variation below 30%, and 82.6% were below 20%. Of the 24 estimates made for the total of the city, 23 presented coefficient of variation below 20%. More than two-thirds of the estimates of the design effect were below 1.5, which was estimated in the sample size calculation, and the design effect was below 2.0 for 88%.CONCLUSIONSThe ISA-Capital 2015 sample generated estimates at the predicted levels of precision at both the city and regional levels. The decision to establish the regional health coordinations of the city of São Paulo as domains of study was adequate.

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Section: Discussionsupporting

confidence: 93%

“…Those below 1.5 were considered suitable, which was adopted in the planning of the sample. We also verified the frequency of estimates below 2.0, which is frequently adopted in sampling plans 3 , 4 , 6 , 14 .…”

Section: Methodsmentioning

confidence: 59%

Sampling plan in health surveys, city of São Paulo, Brazil, 2015

Alves¹,

Escuder²,

Goldbaum³

et al. 2018

Rev. saúde pública

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“…The methodology includes the division of municipalities into strata defined according to the number of buildings, in blocks regardless of the neighborhood boundaries. In this methodology, the blocks receive a sequential numbering by neighborhood assigned by the vector control personnel 23 , and each stratum consists of a minimum of 8,100 and a maximum of 12 thousand buildings 7,22,24 .…”

Section: Methodsmentioning

confidence: 99%

Identification of key areas for Aedes aegypti control through geoprocessing in Nova Iguaçu, Rio de Janeiro State, Brazil

2008

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“…The method of cluster selection was systematic, with the first block selected at random and subsequent blocks selected with a sample interval of 27 blocks. This method is routinely used by the DVCP [19,20]. Each month, 12 blocks were inspected, for an average of 440 buildings per month.…”

Section: Larvalmentioning

confidence: 99%

Assessment ofAedes aegyptiPupal Productivity during the Dengue Vector Control Program in a Costal Urban Centre of São Paulo State, Brazil

Arduíno

2014

Journal of Insects

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The control of dengue relies on the elimination of vector breeding sites. This study identified the container categories most productive for A. aegypti within the framework of the São Paulo dengue vector control program (DVCP) in São Sebastião, a large city located on the state's coast where dengue cases have occurred since 2001. Containers were inspected monthly for the occurrence of mosquito immature stages during two consecutive vector-breeding seasons in 2002-2004. Containers were classified by their material, use, and fixed or removable status. Pupal productivity differed significantly among container types, items made of metal and plastic, and boats being those with the highest relative contribution. Significant correlations between traditional indices of A. aegypti abundance (Container Index, House Index, and Breteau Index) and pupal productivity/demographic indices (Pupae/Container, Pupae/House, Pupae/ha, and Pupae/Person) ranged 0.56-0.65; correlations were not statistically significant for any combination involving the Pupae/Container index. The assessment of pupal productivity indices could be incorporated into the DVCP without any additional operational onus, allowing vector control managers to determine appropriate control actions targeting the most productive containers and sites. Further studies are needed to assess whether pupal productivity indices may be used as epidemiological indicators of risk of dengue transmission.

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Simplificação do método de estimação da densidade larvária de Aedes aegypti no Estado de São Paulo

Cited by 11 publications

References 3 publications

Sampling plan in health surveys, city of São Paulo, Brazil, 2015

Sampling plan in health surveys, city of São Paulo, Brazil, 2015

Identification of key areas for Aedes aegypti control through geoprocessing in Nova Iguaçu, Rio de Janeiro State, Brazil

Assessment ofAedes aegyptiPupal Productivity during the Dengue Vector Control Program in a Costal Urban Centre of São Paulo State, Brazil

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