Table 3 Association of NBAS items with risk of possessing high CBL levels: results from final models using stepwise multiple logistic regression analyses.
From: Association of umbilical cord blood lead with neonatal behavior at varying levels of exposure
NBAS Item | Risk of CBL levels > the shown cut-off point | ||
|---|---|---|---|
| Â | OR | 95% CI | P |
5 μg/dL | |||
Range of State cluster | Â | Â | Â |
   Peak of excitement | 0.60 | 0.37 – 0.98 | 0.042 |
Autonomic stability cluster | Â | Â | Â |
   Tremors | 0.77 | 0.63 – 0.94 | 0.012 |
Abnormal reflexes | Â | Â | Â |
   Moro's reflex | 3.37 | 1.13 – 10.04 | 0.029 |
   Walking reflex | 3.55 | 1.24 – 10.15 | 0.018 |
10 μg/dL | |||
Autonomic stability cluster | Â | Â | Â |
   Tremors | 0.75 | 0.58 – 0.96 | 0.023 |
Abnormal reflexes | Â | Â | Â |
   Babinski sign | 4.26 | 1.01 – 17.8 | 0.047 |
   Walking reflex | 5.99 | 1.44 – 24.9 | 0.014 |
25 μg/dL | |||
Abnormal reflexes | Â | Â | Â |
   Babinski sign | 11.3 | 1.89 – 68.1 | 0.008 |
   Walking reflex | 8.17 | 1.36 – 49.2 | 0.022 |