10 documents found, page 1 of 1
HIV incidence estimates by sex and age group in the population aged 15 years or...
Szwarcwald,Célia Landmann; Souza Júnior,Paulo Roberto Borges de; Pascom,Ana Roberta Pati; Coelho,Ronaldo de Almeida; Ribeiro,Rachel AbrahãoAbstract INTRODUCTION HIV incidence estimates are essential to monitor the progress of prevention and control interventions. METHODS Data collected by Brazilian surveillance systems were used to derive HIV incidence estimates by age group (15-24; 25+) and sex from 1986 to 2018. This study used a back-calculation method based on the first CD4 count among treatment-naïve cases. Incidence estimates for the populat...
The 12 city HIV Surveillance Survey among MSM in Brazil 2016 using respondent-d...
Kendall,Carl; Kerr,Ligia; Mota,Rosa Salani; Guimarães,Mark Drew Crosland; Leal,Andrea Fachel; Merchan-Hamann,Edgar; Dourado,Inês; Veras,Maria AméliaABSTRACT: Introduction: This paper details the methods used in the second national Biological and Behavioral Surveillance Survey (BBSS) of HIV, syphilis, and hepatitis B and C among men who have sex with men in Brazil. Methods: Respondent-driven sampling (RDS) was used in 12 cities in 2016. The targeted sample size was initiated with five to six seeds in each city. HIV, syphilis, and Hepatitis B and C rapid tes...
Application of the Respondent-Driven Sampling methodology in a biological and b...
Damacena,Giseli Nogueira; Szwarcwald,Célia Landmann; Souza Júnior,Paulo Roberto Borges de; Ferreira Júnior,Orlando da Costa; Almeida,Wanessa da Silva deABSTRACT Introduction: Respondent-Driven Sampling (RDS) has been used in surveys with key populations at risk of HIV infection, such as female sex workers (FSW). This article describes the application of the RDS method among FSW in 12 Brazilian cities, during a survey carried out in 2016. Methodology: A biological and behavioral surveillance study carried out in 12 Brazilian cities, with a minimum sample of 350...
HIV-related risky practices among Brazilian young men, 2007
Szwarcwald,Célia Landmann; Andrade,Carla Lourenço Tavares de; Pascom,Ana Roberta Pati; Fazito,Erika; Pereira,Gerson Fernando MendesBehavioral surveillance surveys have been carried among military conscripts, in Brazil, since 1996. This paper presents the results of the 2007 survey and compares actual findings with those obtained in previous studies carried out in the period 1999-2002. The conscripts were selected with a two stage sampling stratified by geographical region. The study included a self-reported questionnaire and blood collecti...
Sex inequalities in HIV-related practices in the Brazilian population aged 15 t...
Pascom,Ana Roberta Pati; Szwarcwald,Célia LandmannThe objective of this study is to analyze gender differences in HIV-related practices in the Brazilian population. A national survey was carried out in 2008 with a sample size of 8,000 individuals aged 15-64 years old. The sampling was stratified by macro geographical region and urban/rural areas. Logistic regression models were used to investigate the main predictors of consistent condom use. The results showe...
Transfer of sampling methods for studies on most-at-risk populations (MARPs) in...
Barbosa Júnior,Aristides; Pascom,Ana Roberta Pati; Szwarcwald,Célia Landmann; Kendall,Carl; McFarland,WilliThe objective of this paper was to describe the process of transferring two methods for sampling most-at-risk populations: respondent-driven sampling (RDS) and time-space sampling (TSS). The article describes steps in the process, the methods used in the 10 pilot studies, and lessons learned. The process was conducted in six steps, from a state-of-the-art seminar to a workshop on writing articles with the resul...
Sampling studies to estimate the HIV prevalence rate in female commercial sex w...
Pascom,Ana Roberta Pati; Szwarcwald,Célia Landmann; Barbosa Júnior,AristidesINTRODUCTION: We investigated sampling methods being used to estimate the HIV prevalence rate among female commercial sex workers. METHODS: The studies were classified according to the adequacy or not of the sample size to estimate HIV prevalence rate and according to the sampling method (probabilistic or convenience). RESULTS: We identified 75 studies that estimated the HIV prevalence rate among female sex wor...
Tendências da epidemia de AIDS entre subgrupos sob maior risco no Brasil, 1980-...
Barbosa Júnior,Aristides; Szwarcwald,Célia Landmann; Pascom,Ana Roberta Pati; Souza Júnior,Paulo Borges deO presente trabalho tem por objetivo apresentar as tendências da epidemia de AIDS em grupos populacionais sob maior risco no Brasil. A técnica de análise discriminante foi utilizada para reclassificação dos casos masculinos com categoria de exposição ignorada em um dos três grupos homens que fazem sexo com homens (HSH), usuários de drogas injetáveis (UDI) ou heterossexuais. Foram estimadas as taxas de incidênci...
Indicadores propostos pela UNGASS e o monitoramento da epidemia de Aids no Brasil
Barbosa Junior,Aristides; Pascom,Ana Roberta Pati; Szwarcwald,Célia Landmann; Dhalia,Carmen de Barros Correia; Monteiro,LeandroO objetivo do estudo foi analisar o processo de monitoramento de indicadores centrais propostos pela UNGASS, em nível nacional, vis-à-vis aos indicadores do Programa Nacional de DST e Aids. Foram avaliados os dois conjuntos de indicadores propostos, respectivamente, em 2002 e 2005, para o monitoramento de progresso da Declaração de Compromisso da UNGASS. Foram analisadas a disponibilidade de informações e as li...
Utilization of medicines by the Brazilian population, 2003
Carvalho,Marcelo Felga de; Pascom,Ana Roberta Pati; Souza-Júnior,Paulo Roberto Borges de; Damacena,Giseli Nogueira; Szwarcwald,Célia LandmannThe aim of the present study was to characterize the utilization of medicines by the Brazilian population, using data from the Brazilian World Health Survey. Medicines were grouped according to the active pharmaceutical ingredient based on an adaptation of the World Health Organization standard list of essential medicines. The analysis included the characteristics of individuals who keep medicines at home and w...