TABLE 2

HPV Vaccination Coverage Change (≥1 Dose) at 6-Month Follow-up

Coverage at 6 mo, %Coverage Change Over Previous 6 mo, percentage pointsbSEP
Model 1: full sample
 Control (35 physicians)50.96.40.0230.018.21
 Intervention (42 physicians)61.28.6
Model 2: sample with sufficient data quality
 Control (33 physicians)50.66.90.0340.015.03
 Intervention (38 physicians)61.110.2
  • HPV vaccination coverage and coverage change are unadjusted. b unstandardized coefficients and significance tests are from hierarchical linear models where QI impact was represented by the cross-level interaction of time and treatment. —, not applicable.