TABLE 5.
Multiple Regression Analyses to Identify Neonatal and Social Factors Associated With Executive and Memory Function Scores Among Very Preterm Adolescents
| Executive Function, β (SE) |
Memory, β (SE) |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Phonological Fluency | Semantic Fluency | Verbal Inhibition | Cognitive Flexibility | Spatial Planning | Working Memory | Verbal Immediate Recall | Verbal Delayed Recall | Visuospatial Immediate Recall | Visuospatial Delayed Recall | |
| Birth weight, 100 g | 0.03 (0.12) | 0.03 (0.14) | 0.3 (0.1) | 0.1 (0.1) | 0.2 (0.1) | 0.2 (0.1) | 0.2 (0.5) | 0.04 (0.05) | 0.6 (0.3) | 0.5 (0.3) |
| SGA | −1.1 (0.5) | −0.9 (0.5) | −0.4 (0.5) | −0.2 (0.5) | −0.2 (0.4) | −0.5 (0.5) | −0.5 (1.7) | −0.00 (0.19) | 0.7 (1.2) | 0.6 (1.2) |
| Male gender | −0.6 (0.4) | −0.2 (0.4) | −0.9 (0.4) | −0.6 (0.4) | −0.3 (0.3) | −0.4 (0.4) | −3.5 (1.4) | −0.36 (0.15) | −2.3 (1.0) | −2.3 (1.0) |
| Antenatal steroids | 0.1 (0.4) | 0.4 (0.4) | 1.0 (0.4) | 0.6 (0.4) | 0.5 (0.4) | 0.4 (0.4) | 3.5 (1.5) | 0.39 (0.16) | 1.2 (1.1) | 1.1 (1.1) |
| O2 at 28 d | −0.5 (0.4) | −0.5 (0.5) | −0.4 (0.5) | −0.7 (0.5) | 0.3 (0.4) | −0.2 (0.5) | 0.8 (1.6) | 0.22 (0.17) | 0.9 (1.1) | 1.0 (1.2) |
| Severe brain injury | −3.6 (0.7)a | −3.9 (0.7)a | −3.6 (0.7)a | −4.2 (0.7)a | −4.0 (0.6)a | −3.9 (0.7)a | −9.2 (2.4)a | −1.44 (0.26)a | −9.6 (1.7)a | −9.6 (1.8)a |
| Maternal education, y | 0.4 (0.1)a | 0.2 (0.1) | 0.3 (0.1)a | 0.3 (0.1)a | 0.2 (0.1)a | 0.5 (0.1)a | 0.5 (0.3) | 0.06 (0.03) | 0.5 (0.2) | 0.6 (0.2)a |
β coefficients represent the amount of increase or decrease in test scores for a 1-unit change in the predictor variable. SGA indicates small for gestational age.
P < .005.