Table 1.

Demographic, practice, and patient characteristics; knowledge; perceived barriers; and vaccine practices in a representative sample of U.S. physicians, 2011 (n = 728)a

n (%)
Demographic characteristics
 Age, y
  30–39137 (18.8)
  40–49260 (35.7)
  50+309 (42.5)
 Gender
  Male360 (49.5)
  Female361 (49.6)
 Race
  White/Caucasian518 (71.2)
  Other197 (27.1)
 Ethnicity
  Hispanic or Latino39 (5.4)
  Not Hispanic or Latino667 (91.6)
Practice characteristics
 Provider specialty
  Family Medicine406 (55.8)
  Pediatrics322 (44.2)
 Number of physicians
  1137 (18.8)
  2–15503 (69.1)
  16+79 (10.9)
 Number of specialties
  Single517 (71.0)
  Multiple178 (24.5)
  Other20 (2.8)
 Type
  Private practice502 (69.0)
  Other216 (29.7)
 Arrangement
  Full/part-owner physician practice337 (46.3)
  Other379 (52.1)
 Number of patients/day
  0–19222 (30.5)
  20–29375 (51.5)
  30+121 (16.6)
 Location
  Urban193 (26.5)
  Suburban384 (52.8)
  Rural124 (17.0)
  Other8 (1.1)
 Region
  Northeast151 (20.7)
  Midwest172 (23.6)
  South241 (33.1)
  West149 (20.5)
 VFC provider
  Yes424 (58.2)
  No213 (29.3)
  Do not know76 (10.4)
 Refer uninsured patients for vaccine
  No or N/A428 (58.8)
  Yes, to federally qualified health center/health department/other300 (41.2)
 Refer underinsured patients for vaccine
  No or N/A427 (58.7)
  Yes, to federally qualified health center/health department/other301 (41.3)
Patient characteristics
 Patient payment method
  Private insurance/HMO
   0%–50% of patients343 (47.1)
   51%–100% of patients351 (48.2)
 Patient race (majority)
  Non-Hispanic White502 (69.0)
  Other217 (29.8)
 HPV knowledge
  Lower (0–7 correct)313 (43.0)
  Higher (8–10 correct)410 (56.3)
 Perceived barriers related to HPV vaccination
  Low218 (30.0)
  Medium236 (32.4)
  High263 (36.1)
Vaccine practices
 Strategies for HPV vaccine initiation
  0314 (43.1)
  1168 (23.1)
  2+212 (29.1)
 Strategies to ensure HPV vaccine completion
  0118 (16.2)
  1160 (22.0)
  2+416 (57.1)
Early vs. late adopter
 First to use a new vaccine
  Agree283 (38.9)
  Neutral263 (36.1)
  Disagree170 (23.4)
 Wait to adopt
  Agree304 (41.8)
  Neutral195 (26.8)
  Disagree219 (30.1)

Abbreviations: HMO, health maintenance organization; STIs, sexually transmitted infections.

  • aPercentages may not add up to 100% due to missing data.