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. Author manuscript; available in PMC: 2019 Oct 1.
Published in final edited form as: Pediatrics. 2018 Sep 10;142(4):e20174276. doi: 10.1542/peds.2017-4276

Table 1.

Number of Phase II Participants by Phase I Child Age Group

Age Sample: 2–17 Months
n = 51
18–24 Months
n = 44
25+ Months
n = 51
Full Sample
N = 146
Child Gender
 Female 26 21 25 72
 Male 25 23 26 74
Mother’s Educationa
 Some High School 3 6 1 10
 High School Diploma 9 17 16 42
 Some College 21 10 15 46
 Bachelor’s Degree + 18 11 19 48
a

Mother’s highest attained education level includes: Some high school without a diploma; high school diploma or equivalent (e.g., GED); some college but less than bachelor’s degree; bachelor’s or more advanced degree.