Table 1.
Sociodemographic characteristics of cohort
| Any BZD (exposed) | No BZD (unexposed) | Full sample | P value | |
| N | 27 184 | 21 404 | 48 588 | |
| Sex | ||||
| Male | 17 155 (63.11%) | 15 451 (72.19%) | 32 606 (67.11%) | <0.001 |
| Female | 10 029 (36.89%) | 5953 (27.81%) | 15 982 (32.89%) | |
| SIMD decile | ||||
| 1 (highest deprivation) | 8811 (32.41%) | 7055 (32.96%) | 15 866 (32.65%) | 0.704 |
| 2 | 5477 (20.15%) | 4367 (20.40%) | 9844 (20.26%) | |
| 3 | 3925 (14.44%) | 2933 (13.70%) | 6858 (14.11%) | |
| 4 | 2757 (10.14%) | 2091 (9.77%) | 4848 (9.98%) | |
| 5 | 1880 (6.92%) | 1417 (6.62%) | 3297 (6.79%) | |
| 6 | 1388 (5.11%) | 1026 (4.79%) | 2414 (4.97%) | |
| 7 | 1005 (3.70%) | 723 (3.38%) | 1728 (3.56%) | |
| 8 | 723 (2.66%) | 598 (2.79%) | 1321 (2.72%) | |
| 9 | 525 (1.93%) | 400 (1.87%) | 925 (1.90%) | |
| 10 (lowest deprivation) | 367 (1.35%) | 357 (1.67%) | 724 (1.49%) | |
| Missing | 326 (1.20%) | 437 (2.04%) | 763 (1.57%) | |
| Urban–rural classification 2016 | ||||
| Large urban areas | 13 359 (49.14%) | 10 249 (47.88%) | 23 608 (48.59%) | 0.689 |
| Other urban areas | 9516 (35.01%) | 7746 (36.19%) | 17 262 (35.53%) | |
| Accessible small towns | 1508 (5.55%) | 1183 (5.53 %) | 2691 (5.54%) | |
| Remote small towns | 824 (3.03%) | 587 (2.74 %) | 1411 (2.90%) | |
| Accessible rural areas | 1164 (4.28%) | 869 (4.06%) | 2033 (4.18%) | |
| Remote rural areas | 476 (1.75%) | 325 (1.52%) | 801 (1.65%) | |
| Missing | 337 (1.24%) | 445 (2.08%) | 782 (1.61%) |
BZD, benzodiazepine; SIMD, Scottish Index of Multiple Deprivation.