Results 241 to 250 of about 1,894,494 (259)
Some of the next articles are maybe not open access.
Crime and Delinquency
The authors tested an experimental methodology based on time-location and network sampling designs to assess their utility in studying labor trafficking victimization among the construction worker population in the city of Houston, USA. The time-location design commenced with a selection of registered sites followed by a search within proximity to find
Kyle Shane Vincent
exaly +2 more sources
The authors tested an experimental methodology based on time-location and network sampling designs to assess their utility in studying labor trafficking victimization among the construction worker population in the city of Houston, USA. The time-location design commenced with a selection of registered sites followed by a search within proximity to find
Kyle Shane Vincent
exaly +2 more sources
AIDS and Behavior, 2014
We conducted a time-location sampling sero-behavioral surveillance survey of men who have sex with men (MSM) in São Paulo, Brazil, the largest city in Latin America and the Southern Hemisphere (N = 1,217 interviewed with serological results for 771).
Maria Amelia, de Sousa Mascena Veras +7 more
openaire +2 more sources
We conducted a time-location sampling sero-behavioral surveillance survey of men who have sex with men (MSM) in São Paulo, Brazil, the largest city in Latin America and the Southern Hemisphere (N = 1,217 interviewed with serological results for 771).
Maria Amelia, de Sousa Mascena Veras +7 more
openaire +2 more sources
Sexually Transmitted Infections, 2009
HIV transmission among men who have sex with men has recently become a major concern in China. Little is known, however, about HIV transmission among male sex workers (MSW). This study aimed to investigate HIV infection prevalence and risk factors among MSW in Shenzhen, China.Following formative research, a cross-sectional study was conducted using ...
Wen-De, Cai +14 more
openaire +2 more sources
HIV transmission among men who have sex with men has recently become a major concern in China. Little is known, however, about HIV transmission among male sex workers (MSW). This study aimed to investigate HIV infection prevalence and risk factors among MSW in Shenzhen, China.Following formative research, a cross-sectional study was conducted using ...
Wen-De, Cai +14 more
openaire +2 more sources
Epidemiological challenges to the assessment of HIV burdens among key populations
Current Opinion in HIV and AIDS, 2014Measuring the burden of HIV among key populations is subject to many challenges. Sufficient quantities of valid HIV prevalence and programme coverage data are required to effectively respond to the epidemic.Ability to validate exposure to unprotected sex through the innovative use of prostate-specific antigen provides confirmation of condom use.
Keith M, Sabin, Lisa G, Johnston
openaire +2 more sources
Border surveys and Time Location Sampling (TLS): an application on incoming tourism in Sicily
2012The increasing need of reliable and detailed information at a regional and subregional level poses some challenges related with the measurement of tourists flows, for tourism destination management, planning and promotion purposes,. The aim of this work is twofold; first, it intends to analyse and discuss the main features and limits of the official ...
DE CANTIS, Stefano, FERRANTE, Mauro
openaire +1 more source
To Weight or Not to Weight in Time-location Sampling: Why Not Do Both?
AIDS and Behavior, 2013Qiang, Xia, Lucia V, Torian
openaire +2 more sources
2011
The present work aims to illustrate the criteria used for the determination of probabilities of selection of first and second stage units, given the available information, within the TLS design implemented for the survey of the Relevant National Interest Project (PRIN) on mobility of regional incoming tourism in Sicily and Sardinia.
DE CANTIS, Stefano, FERRANTE, Mauro
openaire +1 more source
The present work aims to illustrate the criteria used for the determination of probabilities of selection of first and second stage units, given the available information, within the TLS design implemented for the survey of the Relevant National Interest Project (PRIN) on mobility of regional incoming tourism in Sicily and Sardinia.
DE CANTIS, Stefano, FERRANTE, Mauro
openaire +1 more source
Use of Smartphones for Rapid Location Tracking in Mega Scale Soil Sampling
Open Journal of Applied Sciences, 2021Buddhi Marambe
exaly
A goal programming model for two-stage COVID19 test sampling centers location-allocation problem
Central European Journal of Operations Research, 2022Yusuf Kuvvetli
exaly