Table 1.
Descriptive statistics for the final sample of infants and their parents
| Subjects: | Infants N = 23 Mothers N = 20 Fathers = 20 |
|---|---|
| Variables | Mean (SD; range) |
| Mean Birthweight | 1375 g (SD = 458.57; 760–2500 g) |
| Normal Birthweight | 1 (4.3%) |
| Low Birthweight | 5 (21.7%) |
| Very Low Birthweight | 13 (56.5%) |
| Extremely Low Birthweight | 4 (17.3%) |
| Gestational Age | 31 w (SD = 2.99; 25 to 36) |
| Late Preterm | 4 (17.3%) |
| Early Preterm | 14 (60.8%) |
| Extremely Low Gestational Age | 5 (21.7%) |
| Type of birth | |
| Natural | 5 (25%) |
| Caesarean section | 15 (75%) |
| Mean days spent in NICU | 59 (SD = 42.7; 17 to 199) |
| Days spent with invasive and not invasive respiratory support | 9 (SD = 17.3; 0 to 59) |
| Type of ventilation | |
| None | 8 (34.7%) |
| Not invasive | 7 (30.4%) |
| Invasive and not invasive | 8 (34.7%) |
| Sex | |
| M | 14 (70%) |
| F | 6 (30%) |
| Maternal age | 34 (SD = 6.6; 27 to 49) |
| Primary school graduation | 0 |
| Middle school graduation | 2 (10%) |
| High school diploma | 13 (65%) |
| University degree | 5 (25%) |
| Mean infant’s age at Time 1 | 19.8 days (SD = 7.5; 10 to 31) |
| Mean infant’s age at Time 2 | 7.55 months (SD = 2.39; 6 to 12) |