We conducted a cross-sectional household study with a multi-stage, randomly selected sample of 1686 men aged 18 49 who completed a questionnaire administered using an Audio-enhanced Personal Digital Assistant.
A multi stage sampling technique was employed.
A multi stage cluster sampling was applied.
We implemented a multi-stage survey design to randomly survey 360 participants from one district in western Uganda.
The expert and focus group feedback was incorporated into a final Chinese version of the GYTS, which was administered to 382 students throughout Taiwan by multi-stage sampling from 10 randomly selected schools.
The sample consisted of 60 students of (Ahvaz university), which were selected randomly by multi-stage sampling method.
For every case, a community-based control was selected randomly using a multi-stage cluster sampling method.
Study participants were randomly selected using multi-stage cluster sampling.
A multi-stage sampling approach was used to randomly select residential blocks, within which households were selected.
One region from each zone was selected randomly through a multi-stage sampling technique, which brought up eight regions: Dodoma, Pwani, Mwanza, Tanga, Mbeya, Iringa, Tabora and Mtwara.
Based on the eight United Republic of Tanzanian zones, one region from each zone was selected randomly through a multi-stage sampling technique which brought up eight regions: Dodoma, Pwani, Mwanza, Tanga, Mbeya, Iringa, Tabora and Mtwara.
