This paper reports on the multi-stage recruitment process and assesses whether refusal to participate was related to education, age, gender, working status, or insurance status.
Nonetheless, a certain selection towards healthier and fitter older adults during the multi-stage recruitment for the trial, e.g. the phase of response to the invitations for final eligibility screening, cannot be excluded.
A multi-stage recruitment procedure was used to assess all GP patients aged 70 years and over who had seen their GP within the past 6 months (n = 5990 in 15 practices) for all predefined inclusion and exclusion criteria.
A multi stage sampling technique was employed.
A multi stage cluster sampling was applied.
That can be hard to establish in just one sit-down interview so the recruitment process is multi-stage, and includes a driving interview.
Importantly, the additional benefits of 'up front' chemotherapy (docetaxel) and abiraterone, over and above conventional androgen deprivation, have been separately demonstrated in the multi-arm, multi-stage (MAMS) STAMPEDE protocol, which continues recruitment to other questions.
Multi-stage stratified random sample method was used with recruitment of 1563 students from all faculties of KAU, during the educational year 2008 2009.
A multi-stage, stratified sampling method was used in child recruitment.
Participants were recruited using a multi-stage sampling technique.
Multi-stage races take this a step further.
