Table 1.
Percentages of the Total Effect of Postcards on HPV Vaccine Initiation Due to Mediation and Interaction with Preventive Visits.a
| Component | Excess Relative Likelihood of HPV Vaccine Initiation | 95% CI | Percentages Attributable | 95% CI |
|---|---|---|---|---|
| Controlled Direct Effect | 0.05 | (−0.18, 0.28) | 8.9% | (−29.9%, 47.7%) |
| Reference Interaction | 0.26 | (−0.02, 0.54) | 47.5% | (9.7%, 85.4%) |
| Mediated Interaction | 0.06 | (−0.03, 0.15) | 11.3% | (1.5%, 21.1%) |
| Pure Indirect Effect | 0.18 | (−0.01, 0.36) | 32.3% | (1.5%, 63.1%) |
| Total | 0.54 | (0.06, 1.02) | 100% |
a
Adjusted for age, race/ethnicity, and health program enrolment.