Table 1.
Estimates of lifetime prevalence of drug abuse ascertained from medical (DAM) and criminal (DAC) records, by sex and same-sex versus opposite-sex status and relationship type
| N pairs | Diagnosed with DAM N (%) | Diagnosed with DAC N (%) | N pairs | Diagnosed with DAM N (%) | Diagnosed with DAC N (%) | |
|---|---|---|---|---|---|---|
| males | females | |||||
| MZ | 2048 | 26 (0.6) | 121 (3.0) | 2434 | 44 (0.9) | 40 (0.8) |
| DZ | 1547 | 23 (0.7) | 94 (3.1) | 1657 | 27 (0.8) | 18 (0.5) |
| FS | 337915 | 9907 (1.5) | 38342 (6.0) | 301601 | 5889 (1.0) | 7287 (1.2) |
| HP | 2222 | 166 (3.9) | 483 (12.2) | 1593 | 69 (2.2) | 97 (3.1) |
| HM | 17808 | 1460 (4.3) | 4067 (12.9) | 17175 | 920 (2.8) | 1088 (3.3) |
| males in opposite sex pairs | females in opposite sex pairs | |||||
| DZ | 6634 | 93 (1.4) | 321 (5.1) | 6634 | 63 (1.0) | 81 (1.2) |
| FS | 638570 | 9514 (1.5) | 35956 (6.0) | 638570 | 6342 (1.0) | 8053 (1.3) |
| HP | 3952 | 148 (3.9) | 420 (11.9) | 3952 | 98 (2.5) | 119 (3.1) |
| HM | 35570 | 1493 (4.4) | 4045 (12.8) | 35570 | 975 (2.8) | 1215 (3.5) |
MZ: monozygotic twins, DZ: dizygotic twins, FS: full siblings, HP: paternal half-siblings, HM: maternal half-siblings