Table 1 Participant characteristics at enrollment (34–366/7 gestational weeks)
|  | AME (n = 18) | Control (n = 18) |
|---|---|---|
Married [n (%)] | 14 (78) | 13 (72) |
Education [n (%)] | ||
 High school or less | 0 (0) | 0 (0) |
 Associate’s or vocational degree/some college | 1 (6) | 3 (17) |
 Bachelor’s degree | 9 (50) | 9 (50) |
 Post-graduate degree | 8 (44) | 6 (33) |
Race [n (%)] | ||
 White/Caucasian | 17 (94) | 15 (83) |
 Black/African American | 0 (0) | 2 (11) |
 Other | 1 (6) | 1 (6) |
Hispanic ethnicity [n (%)] | 1 (6) | 0 (0) |
WICa recipient [n (%)] | 0 (0) | 2 (11) |
Employed (at enrollment) [n (%)] | 18 (100) | 14 (78) |
Age [median (IQR)] | 31.5 (4.5) | 31.0 (7.5) |
Pre-pregnancy BMI [median (IQR)] | 23.6 (3.6) | 22.6 (5.0) |
Planned duration of any breastfeeding [n (%)] | ||
Unsure | 4 (22) | 2 (11) |
 ≤ 6 months | 0 (0) | 0 (0) |
 > 6 months | 14 (78) | 16 (89) |
Planned duration of exclusive breastfeeding [n (%)] | ||
Unsure | 3 (17) | 2 (11) |
 < 6 months | 2 (11) | 3 (17) |
 ≥ 6 months | 13 (72) | 13 (72) |
Endorsed breast growth in pregnancy [n (%)] | 15 (83) | 17 (94) |
BSES-SF score at enrollmentb [median (IQR)] | 53.0 (6.0) | 42.0 (15.0) |
IIFAS score at enrollmentc [median (IQR)] | 69.5 (7.3) | 62.0 (8.0) |
EDA/PSS score at enrollmentd [median (IQR)] | 20.0 (8.3) | 23.0 (7.3) |