Table 1.

Demographics for pre- and post-mapping samples

	Pre-mapping (n = 1290)		Post-mapping (n = 1360)
	Mean	SD	Mean	SD
Age	39.3	12.7	39.7	12.8
	N	%	N	%
Gender – female	1106	85.7	1138	83.7
Race
White	921	71.4	944	69.4
Black	219	17.0	232	17.1
Other	150	11.6	184	13.5
Ethnicity – non-Hispanic	1229	95.3	1273	93.6

SD, standard deviation.