No letter (86)	Letter (124)
Average age [SD] (t[207] = 0.131, p = .90)	50.34 [17.09]	50.65 [16.69]
Sex (X2[1] = 0.000, p = 1.00)1
Male	45.9% (39)	46.0% (57)
Female	54.1% (46)	54.0% (67)
Race (X2[1] = 4.847, p = .051)
White	90.7% (78)	97.6% (121)
Non-White	9.3% (8)	2.4% (3)
Education (X2[2] = 0.818, p = .66)
High school, GED or less	24.4% (21)	19.4% (24)
Some college/ technical school	36.0% (31)	37.1% (46)
College graduate and more	39.5% (34)	41.9% (54)
Income (X2[2] = 4.405, p = .11)
<$50,000	44.7% (34)	34.2% (39)
$50,000 - $100,000	36.8% (28)	34.2% (39)
>$100,000	18.4% (14)	31.6% (36)