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. Author manuscript; available in PMC: 2009 Jul 1.
Published in final edited form as: J Pediatr. 2008 Mar 6;153(1):105–111. doi: 10.1016/j.jpeds.2008.01.001

Figure 1.

Figure 1

Perceptual reasoning IQ by level of cocaine exposure (F=3.97, df=9, 264, p=.02) with significant post-hoc mean difference between No cocaine group and Heavier cocaine exposed group (p=.0207). The heavier cocaine group was determined by benzoylecgonine meconium screen (>=216 nanograms/gm) or maternal self-report (>=17.5 units per week) indicating use greater than the 70th percentile for the cocaine users. The provided mean scores were adjusted for the HOME score, parity, maternal number of prenatal visits, biological maternal PPVT-R, psychological distress at birth, current caregiver’s block design subscale of the Wechsler Adult Intelligence Scale-Revised (WAIS-R) and lead level.