![]() By applying standardised formulas for estimating population size using capture-recapture methods, we estimated the number of MSM in Guatemala City and 95% CIs around this estimate, adjusted for RDS and TLS sampling design. ![]() We assigned the number of key chains distributed in venues as the first capture and the proportion of participants that reported receiving the key chain in the RDS or TLS survey as the second capture. Waves PAZ Analyzer - Audio Signal Analyzer Plug-In, Native/SoundGrid, Download. Features 3 Plug-in Components: Position, Frequency and Meter components. Participants in the RDS and TLS surveys were asked, as part of the study interview, whether they had received the key chain. Amazingly accurate and a breeze to use, the PAZ Analyzer generates a comprehensive realtime visual representation of your audios stereo positioning, frequency spread, and Peak/RMS levels. Duplicate participation was avoided by using the same team to distribute the key chains and administering a set of questions before handing the object. Key chains were used as uUnique objects in the form ofand study key chains were distributed approximately 1-month prior to the surveys in venues known to be frequented by MSM. Methods Capture recapture methods for estimating population size were integrated into two probability-based surveys using respondent driven sampling (RDS) and time-location sampling (TLS) conducted simultaneously among MSM in Guatemala City from October to December 2010.
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