Clinic- and Systems-Level Characteristics for Each HPV4 Dose.

*Other vaccines given at the same time as HPV4 include TDaP, Td, Hep A, HepA/HepB combination, seasonal flu vaccine, meningitis (MCV4), MMR, pneumococcal vaccine, or varicella virus vaccine. †Birth control includes oral contraceptive pills, OrthoEvra® patch, Nuvaring®, or Depo-Provera® injection. ‡Prescriptions include 35 classes of pharmacy dispensed prescriptions in all forms (injectable, oral, suppository, topical, or inhaler) and other vaccines received at the visit, excluding HPV4 vaccination. CI means confidence intervals.