. Author manuscript; available in PMC: 2012 Aug 15.

Published in final edited form as: Prog Neuropsychopharmacol Biol Psychiatry. 2011 Jun 13;35(7):1753–1764. doi: 10.1016/j.pnpbp.2011.06.004

Table 3.

Demographic data for all Schizophrenic and Control Subjects

	Schizophrenia (n=13)	Impaired (n=6)	Nonimpaired (n=7)	Impaired (n=10)	Nonimpaired (n=3)	Control (n=10)
		Median Split		SD Split
Age^a	35.2 (12.1)	32.2⁺ (9.0)	37.9 (14.4)	32.7 (9.8)	43.7 (17.6)	38.2 (7.2)
Education^a	11.9 (2.5)	10.8^* (2.1)	12.9 (2.6)	11.8 (2.7)	12.3 (2.5)	12.4 (1.2)
Handedness	10R/2L/1B	4R/1L/1B	6R/1L/0B	7R/2L/1B	3R/0L/0B	9R/1L/0B
Smoking	9Y/4N^**	5Y/1N^**	4Y/3N^**	7Y/3N^**	2Y/1N^**	4Y/6N
Gender	9M/4F^**	5M/1F^**	4M/3F^**	7M/3F^**	2M/1F^**	2M/8F
Age of Onset^a	26.2 (8.9)^b	25.3 (9.8)	27.4 (8.1)	26.4 (9.8)	26.0(1.4)^b	--
Duration^a	7.2 (7.6)^b	6.8 (7)	10.4 (11.2)	5.0 (4.7)	11.5 (16.3)^b	--

Age, education, age of onset, and duration of disease in years (standard deviation)

Age of onset and duration data are missing for one subject

Comparison to Controls:

^**

p<0.01;

p<0.05;

⁺

p<0.10