| NCT ID | Title | Phase | Status | Enrollment | Velocity | Design | Start | Completion | Last Updated | Sites | Countries |
|---|---|---|---|---|---|---|---|---|---|---|---|
| NCT01860378 | Vouchers to Promote Tdap Vaccination | EARLY_PHASE1 | COMPLETED | 149 | — | — | Jul 1, 2013 | Mar 1, 2015 | Apr 3, 2015 | 1 | United States |
The primary outcome of interest is the difference in vaccination rates between those who received the vouchers vs. those who did not and between those who received the educational video vs. those who did not. We are also interested in measuring whether the educational video acts as an effect modifier in the association between receipt of the voucher and vaccination rates.
| Arm | Type | Description |
|---|---|---|
| No Video: Full price & $5 off | ACTIVE_COMPARATOR | Participants will not view the pertussis video |
| Video: Full price & $5 off | EXPERIMENTAL | Participants will watch a brief (\~ 1 minute) video about Tdap vaccination |
| Name | Type | Description |
|---|---|---|
| Full price | OTHER | Participants will receive a voucher for the full price of a Tdap vaccine ($63.99) + a baby care product voucher or gift card |
| $5 off | OTHER | Participants will receive a voucher for $5 off a Tdap vaccine + a baby care product voucher or gift card. |
Inclusion Criteria: 1. All caregivers who report that they have never received Tdap 2. Mothers who did not receive Tdap during their most recent pregnancy or since the birth of the child, even if she received Tdap during a previous pregnancy, as Tdap is now recommended for all pregnant women during...