TABLE 1

Comparison of Respondents and Nonrespondents and Additional Characteristics of Respondents’ Practices

CharacteristicTotal Respondents, n = 534Total Nonrespondents, n = 281Peds Respondent, n = 282FP Respondent, n = 252
Male gender, %a45554052
Age, y, mean (SD)51.6 (10.3)51.5 (9.9)51.1 (10.4)52.3 (10.2)
Region of the country, %a
 Midwest24252128
 Northeast21162220
 South32413430
 West23182422
Practice location, %
 Urban, inner city35324327
 Urban, non–inner city/suburban46474448
 Rural19211226
Practice setting, %
 Private practice75767872
 Community or hospital based19201623
 HMO or MCO6466
State has philosophical exemptiona54445356
Difficulty of exemption
 Easy27223025
 Medium43434146
 Difficult30352930
Median providers in practice, n565
Proportion of VFC participants, %798471
Proportion of patients <2 y, %
 <1040776
 10–24314021
 25–4925443
 ≥50590
Proportion of privately insured patients, %
 0–24201723
 25–49212121
 ≥50596156
Proportion of Medicaid/SCHIP patients, %
 0–24585167
 25–49212616
 ≥50212317
Proportion of uninsured patients, %
 0–24969893
 25–49325
 ≥50102
Patient race/ethnicity, %
 Black/African American <10514559
 Black/African American ≥10495541
 Hispanic/Latino <10534661
 Hispanic/Latino ≥10475439
 Asian/Pacific Islander <10837790
 Asian/Pacific Islander >10%172310
  • Columns may not add to 100% due to rounding. MCO, managed care organization; SCHIP, State Children’s Health Insurance Plan; VFC, Vaccines for Children program. —, information not available for non-respondents.

  • a P < .05 for comparison of respondents and nonrespondents.