We concluded that collecting data on FVA during a face-to-face interview is crucial to modify the sampling weights in order to build an unbiased estimator. This is more marked in precarious populations or when there is a large number of centers (e.g. It furthers the University's objective of excellence in research, scholarship, and education by publishing worldwideFor full access to this pdf, sign in to an existing account, or purchase an annual subscription.French Institute for Public Health Surveillance, Saint-Maurice 94415, France $20.00 . French Institute for Public Health Surveillance, Saint-Maurice 94415, France Specifically adapted sampling techniques have been developed over the past decades to survey such hard-to-reach populations (Sudman Pioneered in public health by the Centers for Disease Control and Prevention in the Young Men's Survey, TLS is a method for reaching individuals in places and at times where they congregate rather than where they live (MacKellar Some authors have considered issues to ensure the validity of TLS in producing unbiased estimates in terms of proportions of individuals covered by surveys, the duration of the sampling period, the eligibility and the range (in terms of number of visits) of the venues, and the “representativeness” of the resulting sample (Stueve The first objective of this paper is to present TLS in the context of statistical sampling theory, which to our knowledge, has never yet been described. \end{align}Impact of social network characteristics on shelter use among street youth in san franciscoIndirect sampling: the foundations of the Generalised Weight Share MethodImpact of statistical adjustment for frequency of venue attendance in a venue-based survey of men who have sex with menA generalization of sampling without replacement from a finite universeA national cross-sectional study among drug-users in France: epidemiology of HCV and highlight on practical and statistical aspects of the designEstimation de la séroprévalence du VIH et de l’hépatite C chez les usagers de drogues en France - premiers résultats de l’enquête ANRS-COQUELICOT 2011Recruitment-adjusted estimates of HIV prevalence and risk among men who have sex with men: effects of weighting venue-based sampling dataSampling considerations in research on HIV risk and illnessStatistical methods for the analysis of time-location sampling dataCross-sectional weighting of longitudinal surveys of individuals and households using the weight share methodEstimation using the Generalised Weight Share Method: the case of record linkageSurveillance of HIV risk and prevention behaviors of men who have sex with men—a national application of venue-based, time-space samplingThe young men's survey: methods for estimating HIV seroprevalence and risk factors among young men who have sex with menReview of sampling hard-to-reach and hidden populations for HIV surveillanceA venue-based method for sampling hard-to-reach populationsSampling methods used in developed countries for behavioural surveillance among men who have sex with menComparing the effectiveness of two forms of time-space sampling to identify club drug-using young adultsEngagement in HIV care among HIV-positive men who have sex with men from 21 cities in the United StatesEvaluation of the center for disease control and prevention's HIV behavioral surveillance of men who have sex with men: sampling issuesComparison of surveillance sample demographics over two cycles of the National HIV Behavioral Surveillance Project, houston, texasStreet and network sampling in evaluation studies of HIV risk-reduction interventionsRare populations, hidden populations, and link-tracing designs: what and why?Time-space sampling in minority communities: results with young latino men who have sex with menEstimating the variability in the risk of infection for hepatitis C in the Glasgow injecting drug user populationModel-based estimation with link-tracing sampling designsHIV prevalence and associated risks in young men who have sex with menHIV infection and awareness among men who have sex with men-20 cities, United States, 2008 and 2011To weight or not to weight in time-location sampling: why not do both?© The Author 2015. Surrogate-guided sampling designs for classification of rare outcomes from electronic medical records data This point is developed in greater detail in the next section.However, it is important to note that we do not need detailed information about the services individuals benefit from to calculate the design-based estimator. Accordingly, we simply need to count the number of their visits at different centers.Now, we will illustrate the properties of both the established Horvitz–Thompson and the alternative design-based estimators first using a cross-sectional survey (French ANRS-Coquelicot survey) conducted in 2011 and then using a comprehensive simulation study.The French ANRS-Coquelicot survey was conducted in 2004 (Jauffret-Roustide A two-stage TLS was used. Be the first to review this item » Add To Cart. Gray squares represent the closing half-days.At the first stage, either a simple random sampling without replacement (SRSWR) or an unequal random sampling without replacement is used. coquelicot, définition et citations pour coquelicot : coquelicot nm (ko-ke-li-ko ; le t ne se lie pas dans le parler ordinaire ; au pluriel l's se lie ; les coquelicots et les blés, dites : les ko-ke : ... Définition tirée du dictionnaire de la langue française adapté du grand dictionnaire de Littré What does coquelicot mean? proportion of infected individuals, called prevalence), or a mean (e.g.