We added around 1,600 new participants during the third recruitment. For the 2018 recruitment, we shifted gears and recruited panelists using mailed invitations for the first time. We used what’s ...

HANNA TOLONEN, SANNA AHONEN, SUSIE JENTOFT, KARI KUULASMAA, JOHAN HELDAL, Differences in participation rates and lessons learned about recruitment of participants - The European Health Examination ...

The San Antonio hub of an international study assessing aspirin's effects in the elderly is leading all U.S. centers in number of ethnic minority recruitments. Even so, study personnel would like ...