TABLE 2

Study Population Demographics According to Treatment Group

Prenatal Group1-wk Group2-mo Group (Reference)All-Time-Points Groupa
Total, n (%)79 (36)77 (35)61 (28)55 (100)
Study site, %
    Stanford (n = 100)51493629
    Vanderbilt (n = 117)49516471
Education, %
    Less than high school/graduated from high school2620317
    Some/graduated from college44494644
    Postcollege degree29302147
    Prefer not to answer1022
Prenatal care initiation, %
    First trimester87879095
    Second trimester101283
    Third trimester3120
    Prefer not to answer0002
Race, %
    White48544873
    African American1913214
    Asian/Pacific Islander22101116
    Native American0020
    Other1017165
    Prefer not to answer1622
Hispanic, %
    Yes910132
    Prefer not to answer0220
First child
    Yes, %42564855
    If No, mean No. of children2222
Income, %
    Less than $30 0002821334
    $30 001–$49 99916212111
    $50 000–$74 9999212024
    $75 000 or more39261647
    Prefer not to answer8111015
Screening survey classification, %
    Health advocate13181115
    Fence-sitter77576973
    Worried10252013
  • a The all-time-points group was analyzed separately.