Two additional studies
with younger participants also found preferences for e-technologies.
In a study of youth with Type 2 diabetes, Nguyen et al. [97] found that
monetary incentives and technological approaches (mobile phones
and websites) were the most effective strategies to engage and retain
participants. In contrast, patients with rheumatoid arthritis, with a
mean age of 61 years, preferred to complete research surveys via regular mail, followed by telephone, with the Internet identified as their least
preferred method