Table 5.

Hierarchical Regression Analyses

VariableBeta (SE)R2P
Fine motor
Criterion: eye-hand coordination
 Step 1: cigarettes/day−1.69  (0.98)0.03.09
 Step 2: cocaine group7.90  (3.54)0.14.01
Criterion: hand use
 Step 1: maternal age−0.20  (0.11)0.02.07
 Step 2: gender−3.15  (1.24)0.05.01
 Step 3: cocaine group4.12  (1.39)0.09.001
Gross motor
Criterion: receipt and propulsion
 Step 1: maternal age−0.33  (0.12)0.04.01
 Step 2: maternal education0.33  (0.39)0.05NS
 Step 3: number of visits0.31  (0.17)0.06.06
 Step 4: gender3.62  (1.31)0.10.01
 Step 5: alcohol/month before−2.87  (0.99)0.22.01
 Step 6: cocaine group−0.79  (2.20)0.22NS