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. Author manuscript; available in PMC: 2012 Mar 12.
Published in final edited form as: Biol Psychiatry. 2002 Apr 15;51(8):621–631. doi: 10.1016/s0006-3223(01)01301-4

Table 1.

Means (SE) of Age (Years) by Gender and Class Membership

Class 1 Class 2 Class 3
Male
n = 9		 Female
n = 12		 Male
n = 24		 Female
n = 22		 Male
n = 12		 Female
n = 6
First evaluation 8.56 (.34) 8.58 (.38) 9.46 (.32) 9.64 (.33) 9.58 (.61) 9.67 (.76)
Second evaluation 10.44 (.53) 10.25 (.52) 11.71 (.38) 11.77 (.38) 11.75 (.57) 11.17 (.75)
Third evaluation 11.44 (.53) 11.25 (.51) 12.67 (.38) 12.73 (.39) 12.75 (.57) 12.67 (.76)
Fourth evaluation 12.44 (.53) 12.17 (.52) 13.79 (.37) 13.82 (.38) 13.75 (.57) 13.67 (.76)
Fifth evaluation 13.33 (.50) 13.17 (.52) 14.79 (.37) 14.82 (.36) 14.67 (.59) 14.67 (.76)