Table 3.

Sample Characteristics for Study 2 (N = 282)

Characteristics	Total Frequency (%) / Mean (SD)
Female	172 (61)
Marital Status
Single	75 (26.6)
Married	106 (37.6)
Divorced	50 (17.7)
Other	51 (18.1)
Income
Less than $9,999	63 (22.3)
$10,000–$29,999	87 (30.9)
$30,000–$49,999	51 (18.1)
$50,000–$69,999	30 (10.6)
$70,000+	51 (18.1)
Race
White	252 (89.4)
Black or African American	18 (6.4)
Other	12 (4.2)
Non-Hispanic	266 (94.3)
Age	49.81 (14.06)
Years of education	14.39 (4.57)
Time since last use (days)	3962.60 (4310.59)
Delay discounting rates (ln[k])	−5.37 (2.55)
ED50 (years)	3.12 (5.22)
WHOQOL-BREF Domain Scores
Physical Health	66.74 (19.81)
Psychological	61.66 (20.82)
Social Relationships	57.62 (24.68)
Environment	74.05 (19.26)