. Author manuscript; available in PMC: 2012 Jan 1.

Published in final edited form as: Neurotoxicol Teratol. 2011 Jan–Feb;33(1):176–184. doi: 10.1016/j.ntt.2010.10.004

Table 7. BSID-II by MA exposure.

Standard scores	Mean ± (SD)		Unadjusted P-Value	^aAdjusted P-Value
Standard scores	Exposed	Comparison	Unadjusted P-Value	^aAdjusted P-Value
12 months	(N = 162)	(N= 169)
MDI	94.23 ± 9.56	94.28 ± 10.64	0.964	0.785
PDI	93.86 ± 11.32	93.24 ± 12.60	0.638	0.964
24 months	(N = 147)	(N= 139)
MDI^b	84.51 ± 12.03	83.53 ± 13.36	0.515	0.216
	(N = 147)	(N= 137)
PDI^c	94.71 ± 13.32	93.45 ± 12.38	0.412	0.549
36 months	(N = 135)	(N= 141)
MDI^b	88.90 ±11.11	87.76 ± 15.27	0.481	0.240
	(N = 133)	(N= 140)
PDI^c	92.79 ± 11.06	92.43 ±11.23	0.789	0.230

Adjusted for study site, birth weight, gender, prenatal drug exposures, and socioeconomic status.

MDI: 2 cases with missing values at 24 months; 2 cases with missing values at 36 months.

PDI: 4 cases with missing values at 24 months; 5 cases with missing values at 36 months.