Table 1.

	MDD (n=27)	No MDD (n=78)		AA or AG (n=33)	GG (n=72)
Gender (percent male)	66.7%	68.0%	ns	72.7%	65.3%	ns
Race (percent European-American)	85.2%	91.0%	ns	78.8%	94.4%	P=0.015
Age (years)	46.5 +/- 7.9	47.0 +/- 12.7	ns	45.7 +/- 10.6	47.4 +/- 12.2	ns
Weight (Kg)	87.0 +/- 13.7	86.5+/- 18.7	ns	85.4 +/- 15.3	87.2 +/- 18.4	ns
History of any mood disorder	48.2%	42.3%	ns	36.4%	47.2%	ns
History of drug or alcohol disorder	37.0%	33.3%	ns	30.3%	36.1%	ns

There were no statistically significant (ns) differences in demographics between subjects who developed major depressive disorder (MDD) and those who didn't. The A allele was more prevalent in self-identified African-Americans.