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. Author manuscript; available in PMC: 2010 Mar 1.
Published in final edited form as: Addict Behav. 2008 Nov 21;34(3):323–326. doi: 10.1016/j.addbeh.2008.11.001

Table 1.

Characteristics of adult sample, non-drug users, alcohol, cocaine and concurrent

Characteristic Non-Drug Users, N (%)
(n=31,588)
Alcohol Only, N (%)
(n=4,443)
Cocaine Only, N (%)
(n=151)
Concurrent, N (%)
(n=243)
Gender
 Female 17,841 (53.62%) 1,720 (32.13%) 88 (52.76%) 106 (35.51%)
 Male 13,747 (46.38%) 2,723 (67.87%) 63 (47.24%) 137 (64.49%)
Race/ethnicity
 White 20,564 (69.88%) 3,096 (71.08%) 104 (68.31%) 165 (70.44%)
 Black 3,890 (11.35%) 392 (10.02%) 21 (23.86%) 25 (15.64%)
 Hispanic 4,700 (12.68%) 604 (13.98%) 16 (5.24%) 31 (11.43%)
 Other 2,434 (6.09%) 351 (4.93%) 10 (2.59%) 22 (2.49%)
Age (years)
 18-25 14,487 (12.85%) 3,075 (33.35%) 98 (33.12%) 168 (36.38%)
 26-34 4,782 (15.37%) 588 (22.34%) 15 (14.50%) 26 (19.72%)
 35-49 7,383 (30.25%) 619 (29.40%) 32 (40.78%) 42 (35.11%)
 >49 4,936 (41.53%) 161 (14.90%) 6 (11.61%) 7 (8.79%)
Education
 < Highschool 2,263 (8.62%) 216 (4.77%) 15 (7.56%) 23 (7.60%)
 HighSchool 13,966 (39.18%) 1,949 (39.72%) 92 (64.64%) 128 (53.05%)
 Some Undergraduate 8,819 (24.74%) 1,513 (30.78%) 37 (22.20%) 67 (30.68%)
 Undergraduate or Graduate School 6,540 (27.46%) 765 (24.73%) 7 (5.60%) 25 (8.66%)
Income
 <$20,000 7,901 (18.55%) 1,401 (22.66%) 59 (41.96%) 104 (41.03%)
 $20,000-$49,000 11,738 (34.64%) 1,596 (36.81%) 51 (37.13%) 76 (28.17%)
 $50,000-$74,999 5,295 (18.56%) 604 (13.90%) 24 (11.18%) 25 (10.90%)
 $75000 or more 6,654 (28.25%) 842 (26.63%) 17 (9.73%) 38 (19.89%)
Marital Status
 Not Married/ Widowed 2,959 (12.86%) 376 (15.24%) 27 (33.29%) 37 (22.80%)
 Divorced or Separated 15,379 (28.18%) 3,319 (53.19%) 103 (46.76%) 179 (57.05%)
 Married 13,250 (58.96%) 748 (31.57%) 21 (19.95%) 27 (20.15%)
Lifetime Anxiety
 No 29,101 (93.71%) 3,914 (89.84%) 115 (80.23%) 181 (80.55%)
 Yes 2.011 (6.29%) 459 (10.16%) 31 (19.77%) 55 (19.45%)
Lifetime Depression
 No 27,616 (89.05%) 3,634 (81.76%) 100 (73.12%) 165 (78.03%)
 Yes 3,496 (10.95%) 739 (18.24%) 46 (26.88%) 71 (21.97%)
Cigarette use past month
 No 22,358 (76.06%) 1,825 (47.79%) 36 (26.57%) 33 (15.35%)
 Yes 9,230 (23.94%) 2,618 (52.21%) 115 (73.43%) 210 (84.65%)
Marijuana use past month
 No 29,582 (96.23%) 3,321 (79.72%) 75 (51.09%) 108 (40.69%)
 Yes 2,006 (3.77%) 1,212 (20.28%) 76 (48.91%) 135 (59.31%)
Lifetime STDs
 No 29,936 (96.75%) 4,075 (93.65%) 131 (91.18%) 214 (90.62%)
 Yes 1,176 (3.25%) 298 (6.35%) 15 (8.82%) 22 (9.38%)
Ever Arrested for Breaking the law
 No 26,757 (85.89%) 2,669 (58.24%) 62 (38.98%) 95 (35.04%)
 Yes 4,740 (14.11%) 1,762 (41.76%) 89 (61.02%) 148 (64.96%)

Percentages are weighted percentages, n are raw (unweighted) numbers.

less than 1% missing