TABLE 3.
Comparison of High- and Low-Scoring Groups on Co-Regulation Measure
| Scores of 1, 2, 3 (2.2 ± .8) | Scores of 4, 5, 6 (4.5 ± .7) | ||
|---|---|---|---|
| Measurement | n = 11 | n = 11 | t |
| Mothers’ characteristics | |||
| Age | 22.8 ± 5.6 (15–34) | 28.5 ± 6.4 (17–39) | −2.26** |
| Education (yrs) | 14.2 ± 4.2 (8–20) | 13.5 ± 3.4 (9–21) | ns |
| Paritya | 1.45 ± .5 (1–2) | 1.63 ± .5 (1–2) | ns |
| Incomeb | 3.6 ± 2.0 (1–7) | 4.5 ± 1.8 (1–7) | ns |
| Feeding experiencec | 11.6 ± 7.5 (5–30) | 16.3 ± 13.8 (1–47) | ns |
| Infants’ characteristics | |||
| Birth weight (grams) | 1,255.9 ± 226 (817–1,463) | 1,053.4 ± 326 (620–1,500) | ns |
| Gestational age at birth (wks) | 29.3 ± 2.0 (25.5–32) | 26.9 ± 1.5 (25–29.5) | 3.25** |
| Weeks since birth | 7.3 ± 3.4 (3–14.5) | 9.6 ± 2.0 (6–14) | −1.76* |
| Experience nipple feeding (days) | 14.6 ± 6.6 (6–24) | 17.4 ± 6.6 (7–30) | ns |
| Days on oxygen | 28.3 ± 25.7 (1–65) | 55.5 ± 35.9 (1–97) | −2.05* |
| Oxygen at time of study (1 = yes, 2 = no) | 1.8 ± .4 (1–2) | 1.5 ± .7 (1–2) | ns |
a
1 = first infant, 2 = 2 or more children.
b
1 = ≤$10,000; 2 = 10,000–11,999; 3 = 12,000–14,999; 4 = 15,000–24,999; 5 = 25,000–34,999; 6 = 35,000–49,999; 7 = ≥50,000.
c
Number of nipple feedings mother has participated in.
*
p < .10,
**
p < .05; two-tailed t tests.