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. Author manuscript; available in PMC: 2014 Dec 24.
Published in final edited form as: Infant Behav Dev. 1998;21(4):627–640. doi: 10.1016/S0163-6383(98)90034-0

Table 4.

Hierarchical regression analyses predicting summary scores

Variable B (SE) β ΔR2
Criterion: TSFI
 Step 1: number of visits 0.21 (0.11) 0.19 0.04#
 Step 2: gestational age −0.54 (0.26) −0.22 0.04*
 Step 3: cocaine use 1.88 (1.02) 0.20 0.04#
Criterion: MAI
 Step 1: maternal age 0.15 (0.09) 0.17 0.03#
 Step 2: cigarettes/week 0.99 (0.68) 0.21 0.05
 Step 3: cocaine use −1.75 (1.27) −0.17 0.00
Criterion: IBR
 Step 1: maternal age 0.08 (0.04) 0.15 0.02#
 Step 2: number of visits −0.08 (0.06) −0.11 0.01
 Step 3: parity 0.28 (0.17) 0.14 0.01
 Step 4: gestational age −0.13 (0.13) −.08 0.00
 Step 5: cocaine use −0.67 (0.54) −0.11 0.01

MAI = Movement Assessment of Infants Total Risk Score

TSFI = Test of Sensory Functions in Infants Total Score

IBR = Infant Behavior Record General Suspect Score

#

p < .10;

*

p < .05.