Table 1 Study sample post randomization
From: Harnessing health plan enrollee data to boost membership in patient-powered research networks
Mail group | Email group | |||
|---|---|---|---|---|
N | % | N | % | |
Total sample for outreach after randomization | 14,571 | 100% | 14,574 | 100% |
Members with undeliverable home or email address | 9 | 0.1% | 3546 | 24.3% |
Members in Do-not-contact database prior to intervention | 728 | 5.0% | 709 | 4.9% |
Members with deliverable home or email address | 13,834 | 94.9% | 10,319 | 70.8% |