TABLE 1.
% (n) of Subjects | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
Age (years) | Race | Sex | ||||||||
<34 (n = 51) |
≥34 (n = 53) |
P* | White (n = 54) |
African-American (n = 42) |
p* | Male (n = 81) |
Female (n = 23) |
p* | ||
Male | 71% (36) | 85% (45) | .08 | 78% (42) | 74% (31) | .65 | ||||
White | 14% (7) | 92% (47) | .0001 | 52% (42) | 52% (12) | .65 | ||||
African-American | 84% (38) | 8% (4) | ||||||||
Never marrieda | 88% (37) | 48% (23) | .0001 | 54% (25) | 78% (29) | .07 | 65% (46) | 74% (14) | .47 | |
Employed (full- or part-time)a | 13% (33) | 81% (6) | .0001 | 72% (7) | 15% (26) | .0001 | 37% (26) | 68% (13) | .02 | |
High school education or highera | 74% (31) | 92% (44) | .02 | 91% (42) | 70% (26) | .01 | 89% (63) | 63% (12) | .01 | |
Mean (SD) | ||||||||||
Age (years) | 24.7 (3.5) | 44.9 (6.0) | .0001 | 42.7 (9.3) | 26.3 (5.4) | .0001 | 36.0 (10.8) | 31.2 (12.2) | .07 | |
Age at first cannabis use (years)a | 15.8 (3.4) | 17.4 (4.2) | .06 | 17.6 (4.2) | 15.7 (3.6) | .03 | 16.9 (3.7) | 15.5 (4.3) | .18 | |
Total years of lifetime cannabis usea | 9.0 (3.0) | 27.8 (4.0) | .0001 | 27.1 (6.3) | 10.7 (5.0) | .0001 | 19.4 (10.3) | 17.5 (9.4) | .47 | |
Number of lifetime cannabis quit attempts | 2.8 (4.1) | 5.0 (13.7) | .26 | 5.5 (14.0) | 2.1 (1.3) | .09 | 4.3 (11.4) | 2.6 (3.3) | .48 | |
Duration of longest quit attempt (days) | 125 (188) | 164 (477) | .58 | 51 (76) | 216 (400) | .01 | 156.6 (402.3) | 103.2 (169.8) | .54 |
based on n = 90.
P value for difference between two groups by Kruskal–Wallis test for proportions and by t-test for group means. Significant P values indicated in bold.