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. Author manuscript; available in PMC: 2008 Dec 12.
Published in final edited form as: Infant Behav Dev. 2005 Dec;28(4):431–444. doi: 10.1016/j.infbeh.2005.03.002
Regression model results
Effect Beta (S.E.) d.f. F p
Intercept 58.814 (0.639)
Cocaine −0.972 (0.895) (2, 296) 2.36 <0.05
Time −0.069 (0.793) (1, 294) 0.01 0.9306
Cocaine × Time −0.568 (1.124) (1, 296) 0.26 0.6135