Table 2.
Characteristic | PDS-I (n = 155) | PDS-II (n = 146) | Analysis | ||
---|---|---|---|---|---|
N | % | N | % | p-value | |
Female | 52 | 33.55 | 61 | 41.78 | 0.14 |
Maternal Raceb | |||||
Caucasian | 85 | 57.43 | 77 | 53.47 | 0.69 |
African American | 53 | 35.81 | 54 | 37.50 | |
Asian | 10 | 6.76 | 13 | 9.03 | |
Traumatic Life Events | 13 | 8.39 | 9 | 6.16 | 0.46 |
Daily Life Stress | 55 | 35.48 | 61 | 41.78 | 0.26 |
Negative Affect | 33 | 21.29 | 23 | 15.75 | 0.21 |
Pregnancy Specific Anxiety | 22 | 14.19 | 25 | 17.12 | 0.48 |
Mean | SD | Mean | SD | p-value | |
Birth Weight (Grams) | 3328.84 | 524.55 | 3321.61 | 580.19 | 0.91 |
Gestational Age at Interview (Weeks) | 16.52 | 6.70 | 15.12 | 6.80 | 0.07 |
Gestational Age at Birth (Weeks) | 40.13 | 2.36 | 39.94 | 2.42 | 0.50 |
Maternal Age | 28.11 | 6.10 | 29.27 | 8.41 | 0.17 |
Maternal Educationa | 2.98 | 1.41 | 2.82 | 1.76 | < 0.01 |
Maternal education values are based on a rating scale in which 2 = high school graduate – no other special school; and 3 = high school graduate – plus special school like trade school, not college
Missing data for 7 subjects from PDS-I and 2 subjects from PDS-II; Percentages for PDS-I calculated using n = 148; Percentages for PDS-II calculated using n = 144