TABLE 1

Clinic Characteristics

CharacteristicControl (10 Clinics)Announcement Training (9 Clinics)Conversation Training (10 Clinics)P
Clinic specialty, k (%)
 Pediatric6 (60)7 (78)9 (90).32
 Family practice4 (40)2 (22)1 (10)
Adolescent patient load, mean (SD)
 Ages 11 or 12600 (689)476 (422)690 (340).66
 Ages 13–171454 (1511)1004 (906)1422 (737).63
 All ages (11–17)2053 (2190)1479 (1327)2112 (1073).65
 Vaccine prescribers at clinic6.5 (5.7)4.6 (3.4)5.3 (2.7).59
Sex of patients, mean proportion (SD)
 Male0.50 (0.02)0.49 (0.02)0.47 (0.03).12
 Female0.47 (0.02)0.46 (0.02)0.48 (0.03).30
 Not specified0.03 (0.02)0.05 (0.03)0.05 (0.04).51
Vaccine dose funding,a mean proportion (SD)
 Private/North Carolina Health Choice0.62 (0.19)0.57 (0.22)0.73 (0.19).25
 Public0.38 (0.19)0.43 (0.22)0.27 (0.19).25
Baseline vaccination coverage, patients aged 11 or 12, %
 HPV, ≥1 dose30.025.521.3<.01*
 HPV, 3 doses8.86.45.6<.01*
 Tdap72.766.468.1<.01*
 Meningococcal52.851.552.0.42
Baseline vaccination coverage, patients aged 13–17, %
 HPV, ≥1 dose60.954.451.7<.01*
 HPV, 3 doses37.130.430.2<.01*
 Tdap93.791.288.8<.01*
 Meningococcal84.881.377.6<.01*
  • Analyses of baseline vaccination rates weighted for patient volume.

  • a Privately funded vaccines are funded by insurance and North Carolina Health Choice. Publicly funded doses include those funded by Vaccines for Children (American Indian/Alaska Native, Medicaid, uninsured, underinsured, and Title X).

  • * P < .01.