Table 1.
Baseline characteristics of individuals with alcohol (AUD) and/or cannabis use disorders (CUD), in the sample to assess incident major depressive disorder, NESARC, 2001–05.
| Reference Groupa n = 20,845 | AUDb n = 5,943 | CUDc n = 395 | AUD+CUDd n, = 1,475 | |
|---|---|---|---|---|
|
| ||||
| n (wt%e) | n (wt%) | n (wt%) | n (wt%) | |
| Characteristics | ||||
| Sex | ||||
| Male | 7,486 (41.84) | 4,008 (71.86)* | 219 (59.92)* | 1,053 (75.47)* |
| Female | 13,359 (58.16) | 1,926 (28.14) | 176 (40.08) | 422 (24.53) |
| Age | ||||
| 18–29 | 3,945 (21.28) | 1,004 (19.24)* | 138 (41.28)* | 375 (29.09)* |
| 30–39 | 4,030 (18.09) | 1,413 (23.57) | 90 (20.20) | 403 (27.10) |
| 40–54 | 5,498 (26.62) | 1,894 (31.47) | 146 (33.84) | 618 (39.40) |
| 55+ | 7,372 (34.02) | 1,623 (25.72) | 21 (4.67) | 79 (4.41) |
| Marital status | ||||
| Married/Living together | 11,205 (63.79) | 3,555 (68.61)* | 191 (57.45)* | 756 (59.26)* |
| Not married | 9,640 (36.21) | 2,379 (31.39) | 204 (42.55) | 719 (40.74) |
| Race/Ethnicity | ||||
| White | 10,904 (66.00) | 4,040 (78.83)* | 230 (70.53) | 1,017 (78.31)* |
| Black | 4,609 (13.08) | 850 (7.82) | 90 (13.52) | 211 (9.04) |
| Hispanic | 4,309 (13.46) | 847 (9.13) | 64 (11.57) | 190 (7.63) |
| Other | 1,023 (7.46) | 197 (4.22) | 11 (4.38) | 57 (5.02) |
| Education | ||||
| < 12 years | 3,878 (16.15) | 774 (11.71)* | 62 (16.81) | 141 (10.26)* |
| 12 years | 6,234 (30.29) | 1,580 (27.07) | 119 (30.56) | 417 (28.59) |
| > 12 years | 10,733 (53.56) | 3,580 (61.23) | 214 (52.62) | 917 (61.15) |
| Income | ||||
| <$20,000 | 5,429 (20.86) | 1,006 (14.14)* | 85 (18.83) | 243 (15.23)* |
| $20,000–$49,999 | 7,589 (35.58) | 1,984 (32.14) | 144 (34.25) | 505 (32.47) |
| $50,000–$79,999 | 4,121 (22.10) | 1,442 (25.54) | 87 (24.72) | 355 (24.42) |
| $80,000 | 3,706 (21.45) | 1,502 (28.18) | 79 (22.20) | 372 (27.87) |
| Family history of depression | ||||
| No | 15,668 (74.29) | 3,833 (63.86)* | 206 (53.48)* | 805 (53.54)* |
| Yes | 5,177 (25.71) | 2,101 (36.14) | 189 (46.52) | 670 (46.46) |
*
Statistically significant difference (p<0.05) relative to the Reference Group
a
Reference group is made up of individuals without lifetime alcohol use disorders, cannabis use disorders, or major depressive disorder
b
AUD = alcohol use disorders; alcohol abuse and/or dependence
c
CUD = cannabis use disorders; cannabis abuse and/or dependence
d
AUD+CUD = co-occurring alcohol and cannabis use disorders; alcohol and cannabis abuse and/or dependence
e
wt% = weighted percentage