Table 1. Sample Sociodemographic Characteristics of Participants at Teaching and Nonteaching Sites
CharacteristicsParticipants With Characteristic
Teaching Site (n = 975)Nonteaching Site (n = 777)
Age (years)
    18–34282 (29)109 (14)
    35–54335 (∼34)242 (31)
    55–74278 (28.5)353 (∼45)
    Missing data* (n = 153)80 (∼8.5)73 (∼10)
Sex
    Female697 (71.5)481 (62)
    Male201 (20.5)215 (∼28)
    Missing data (n = 158)77 (8)81 (∼10)
Race
    White86 (∼9)94 (12)
    Black364 (∼37)337 (∼43)
    Asian14 (∼1.5)13 (∼1.5)
    Native Hawaiian/Pacific Islander7 (∼0.5)2 (0.25)
    American Indian/Alaskan Native5 (5)3 (∼0.25)
    Other300 (∼31)161 (∼21)
    Multiracial24 (2.5)13 (∼1.5)
    Missing data§ (n = 353)175 (∼14)178 (∼20.5)
Latino457 (∼49)262 (∼34)
Language of survey
    Spanish213 (∼22)19 (∼2.5)
    English762 (∼78)758 (∼97.5)
Insurance payer
    Straight Medicaid56 (∼5.5)15 (∼2)
    Medicaid managed care491 (∼50.5)171 (22)
    Medicare14 (∼1.5)16 (2)
    Medicaid and Medicare4 (∼0.5)4 (0.5)
    Private198 (∼20)426 (∼55)
    Self-pay43 (4.5)3 (∼0.5)
    Other24 (2.5)16 (2)
    Don't know13 (∼1.5)8 (1)
    Missing data (n = 250)132 (∼13.5)118 (∼15)
Education
    Less than high school228 (∼23)79 (10)
    High school education or more647 (∼66)611 (∼79)
    Missing data (n = 187)100 (∼11)87 (∼11)
  • Data are n(%).

  • * Total missing data for age range are < 9%.

  • Total of 9% are missing data for sex.

  • Multiracial refers to participants who chose more than one race as an identifier (excludes the category of “other”).

  • § Total of 21% missing data for race.

  • Total of 14% missing data for insurance payer.

  • Total of 10.5% missing data for education.