Table 2.
Baseline characteristics of individuals with alcohol and/or cannabis use disorders, separately for abuse, and dependence with or without abuse categories, in the sample to assess incident major depressive disorder, NESARC, 2001–05.
| Reference Groupa n = 20,845 | Alcohol Abuse n = 4,127 | Alcohol Dependence n = 1,807 | Marijuana Abuse n = 366 | Marijuana Dependence n = 29 | Alcohol Dependence + Marijuana Dependence n = 146 | |
|---|---|---|---|---|---|---|
|
| ||||||
| n (wt%b) | n (wt%) | n (wt%) | n (wt%) | n (wt%) | n (wt%) | |
| Characteristics | ||||||
| Sex | ||||||
| Male | 7,486 (41.84) | 2,786 (71.56) * | 1,222 (72.55)* | 203 (59.96)* | 16 (59.35) | 109 (82.07)* |
| Female | 13,359 (58.16) | 1,341 (28.44) | 585 (27.45) | 163 (40.04) | 13 (40.65) | 37 (17.93) |
| Age | ||||||
| 18–29 | 3,945 (21.28) | 536 (14.53) * | 468 (29.68)* | 126 (40.63)* | 12 (49.88)* | 66 (49.10)* |
| 30–39 | 4,030 (18.09) | 949 (22.59) | 464 (25.73) | 80 (19.10) | 10 (34.88) | 38 (27.82) |
| 40–54 | 5,498 (26.62) | 1,382 (33.30) | 512 (27.40) | 193 (35.25) | 7 (15.24) | 37 (22.06) |
| 55+ | 7,372 (34.02) | 1,260 (29.58) | 363 (17.19) | 21 (5.03) | 0 (0.00) | 5 (1.01) |
| Marital status | ||||||
| Married/Living together | 11,205 (63.79) | 2,602 (72.52) * | 953 (59.94)* | 177 (57.59) | 14 (55.62) | 63 (48.86)* |
| Not married | 9,640 (36.21) | 1,525 (27.48) | 854 (40.06) | 189 (42.41) | 15 (44.38) | 83 (51.14) |
| Race/Ethnicity | ||||||
| White | 10,904 (66.00) | 2,862 (80.07) * | 1,178 (76.08)* | 216 (70.44) | 14 (71.77) | 99 (77.16) |
| Black | 4,609 (13.08) | 568 (7.49) | 282 (8.55) | 79 (13.01) | 11 (20.28) | 27 (8.59) |
| Hispanic | 4,309 (13.46) | 568 (8.49) | 279 (10.54) | 61 (11.91) | 3 (7.03) | 13 (8.41) |
| Other | 1,023 (7.46) | 129 (3.95) | 68 (4.83) | 10 (4.64) | 1 (0.92) | 7 (5.84) |
| Education | ||||||
| < 12 years | 3,878 (16.15) | 534 (11.53) * | 240 (12.11)* | 57 (15.43) | 5 (35.09) | 23 (14.33) |
| 12 years | 6,234 (30.29) | 1,086 (26.92) | 494 (27.39) | 112 (31.42) | 7 (19.20) | 45 (32.01) |
| > 12 years | 10,733 (53.56) | 2,507 (61.55) | 1,073 (60.50) | 197 (53.15) | 17 (45.71) | 78 (53.67) |
| Income | ||||||
| <$20,000 | 5,429 (20.86) | 635 (12.38) * | 371 (17.03)* | 81 (19.37) | 4 (11.74) | 33 (20.05) |
| $20,000–$49,999 | 7,589 (35.58) | 1,388 (31.60) | 596 (33.31) | 130 (32.61) | 14 (56.03) | 61 (42.38) |
| $50,000–$79,999 | 4,121 (22.10) | 998 (25.21) | 444 (26.27) | 81 (25.24) | 6 (17.86) | 30 (21.86) |
| $80,000 | 3,706 (21.45) | 1,106 (30.35) | 396 (23.39) | 74 (22.79) | 5 (14.37) | 22 (15.89) |
| Family history of depression | ||||||
| No | 15,668 (74.29) | 2,761 (67.13) * | 1,072 (56.62)* | 192 (54.92)* | 14 (34.36)* | 45 (29.31)* |
| Yes | 5,177 (25.71) | 1,366 (32.87) | 735 (43.38) | 174 (45.08) | 15 (65.64) | 101 (70.69) |
*
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
wt% = weighted percentage