Table 1.
Sample Characteristics
| Bronchopulmonary Dysplasia (BPD) (N=63) M±SD |
Very Low Birthweight (VLBW) (N = 32) M±SD |
Full Term (T) (N=98) M±SD |
F/χ2 | |
|---|---|---|---|---|
| Infant | ||||
| Birth order | 1.6 ± 1.0 | 2.1 ± 1.0 | 2.1 ± 1.0 | 4.9b*** |
| Birthweight (grams) | 959 ± 260 | 1249 ± 192 | 3466 ± 537 | 704a***** |
| Weeks gestation | 27.2 ± 2.3 | 29.9 ± 2.2 | 39.9 ± 1.3 | 955a***** |
| Days on oxygen | 122 ± 175 | 5.4 ± 5.6 | 0 ± 0 | 28.0b***** |
| Race | ||||
| White | 54% | 48% | 52% | 1.1 |
| Black | 46% | 52% | 48% | |
| Sex | ||||
| Female | 40% | 50% | 52% | 1.4 |
| Male | 60% | 50% | 48% | |
| Multiple birth | 13% | 19% | 2% | 9.4c*** |
| Corrected age (weeks) | 3.7 ± 4.4 | 4.0 ± 5.4 | 5.3 ± 8.5 | 0.7 |
| Family | ||||
| Maternal education | 13.1 ± 1.8 | 13.0 ± 2.1 | 13.4 ± 2.4 | 0.5 |
| Maternal age (years) | 26.9 ± 5.7 | 27.6 ± 6.7 | 26.9 ± 6.0 | 0.1 |
| Socioeconomic status | 3.6 ± 1.0 | 3.6 ± 1.0 | 3.6 ± 1.0 | 0.7 |
| Percent married | 60% | 53% | 57% | 9.8 |
a
BPD < VLBW < T, p< .05.
b
BPD >/< VLBW and T, p < .05.
c
BPD and VLBW > T, p < .05.
***
p < .01.
*****
p < .001.