Table 2.
Demographic and Medical Characteristics of Participants (N=93)
| Patient Characteristics | PAE (n=39) |
No-PAE (n=54) |
p |
|---|---|---|---|
| Mean ± SD | Mean ± SD | ||
| Maternal age at enrollment (years) | 28.95 ± 5.88 | 27.63 ± 5.64 | 0.2 77 |
| Gestational age at enrollment (weeks) | 25.69 ± 6.99 | 23.58 ± 7.56 | 0.174 |
| Gestational age at delivery (weeks) | 38.25 ± 2.85 | 39.09 ± 1.41 | 0.096 |
| Infant birth weight (grams) | 2881 ± 699 | 3209 ± 582 | 0.016 |
| Infant age at V3 assessment (months)a | 6.49 ± 1.19 | 6.22 ± 1.06 | 0.261 |
| Total SES scoreb | 30.8 ± 13.2 | 31.1 ± 12.8 | 0.934 |
| Maternal BDI score (Median ± IQR)c | 7.0 ± 7.0 | 5.5 ± 8.0 | 0.384 |
| Maternal PSS score | 13.4 ± 5.7 | 10.0 ± 4.9 | 0.003 |
| n(%) | n(%) | ||
| Preterm delivery | 10 (25.6) | 3 (5.6) | 0.013 |
| Ethnicity: | 0.385 | ||
| Hispanic/Latina | 23 (59.0) | 37 (68.5) | |
| Non-Hispanic/Latina | 16 (41.0) | 17 (31.5) | |
| Race: | 0.010 | ||
| White | 30 (76.9) | 52 (96.3) | |
| African American | 2 (5.1) | 0 (0.0) | |
| American Indian | 6 (15.4) | 1 (1.9) | |
| Other | 1 (2.6) | 1 (1.9) | |
| Marital/cohabiting status: | 1.000 | ||
| Single/separated/divorced | 17 (43.6) | 23 (42.6) | |
| Married/cohabitating | 22 (56.4) | 31 (57.4) | |
| Education Level: | 0.959 | ||
| Less than high school | 12 (30.8) | 15 (27.8) | |
| High school to some college | 20 (51.3) | 30 (55.6) | |
| College/professional degree | 7 (18.0) | 9 (16.7) | |
| Primigravida | 0.343 | ||
| Yes | 8 (20.5) | 17 (31.5) | |
| No | 31 (79.5) | 37 (68.5) | |
| Infant's gender: | 0.403 | ||
| Male | 17 (43.6) | 29 (53.7) | |
| Female | 22 (56.4) | 25 (46.3) | |
| BDI > 13 (%) | 5 (13.5) | 9 (16.7) | 0.774 |
| Family gross annual income at V3 (%) | 0.695 | ||
| Under $20,000 | 15 (38.5) | 20 (37.7) | |
| $20,000 – 39,999 | 13 (33.3) | 14 (26.4) | |
| $40,000 or over | 11 (28.2) | 19 (35.9) | |
| Participated in early intervention program | 21 (55.3) | 19 (35.9) | 0.087 |
Sample size for specific variables might vary due to pairwise deletion of the missing data BDI, Beck Depression Inventory; median and inter-quartile range (IQR) is presented due to data not being normally distributed; PSS, perceived stress score
a
Age at assessment was adjusted for prematurity
b
Barratt Simplified Measure of Social Status
c
p-value reflects Wilcoxon test for difference in medians