Text invitations

Text invitations increase digital outreach reach in humans (604 additional participants; reported as from 2,445 to 3,409).

“Sending text invitations to those not reachable by portal expanded reach by 604 participants (from 2,445 to 3,409), compared to portal invitations alone.”

Human trialText invitations added for individuals not reachable by portal, compared with portal invitations alone16 weeks

Using Digital Outreach to Identify Individuals Eligible for Lung Cancer Screening: A Secondary Analysis of a Randomized Trial

Journal of general internal medicine·13 Oct 2026