Table 5 Recruitment strategies

Active recruitment strategies

 Approaching participants via general practitioners or nurse practitioners

 Approaching participants at events, markets and fairs

 Approaching participants at public venues, such as community centers and mosques

 Approaching participants via foundations or social work organizations

 Approaching participants via stakeholders from the target group

 Approaching participants via the public health service

 Word-to-mouth distribution via participants (snow ball method)

 Approaching participants via research/recruitment institutes (active approach by Turkish and Moroccan recruiters)

Passive recruitment strategies

 Call for participation via public media

 -Websites

 -Magazines

 -Facebook

 Call for participation via companies via e-mail

 -Cleaning companies

 -Nursing companies

 -Home care companies

 Call for participation via research panels from research/recruitment institutes via e-mail