Characteristic | Prison release group, N=48,861 | General population controls, N=195,444 | p value* | ||
---|---|---|---|---|---|
Age- n (%) | Median (IQRa) | 32 (24-43) | 32 (24-43) | N/A | |
Sex- n (%) | Male | 42,754 (87.5%) | 171,016 (87.5%) | N/A | |
Female | 6107 (12.5%) | 24,428 (12.5%) | |||
Self-reported raceb- n (%) | Missing | 4,499 (9.2%) | - | - | |
White | 28,745 (58.8%) | - | - | ||
Black | 5,568 (11.4%) | - | - | ||
Aboriginal | 4,954 (10.1%) | - | - | ||
Other | 5,095 (10.4%) | - | - | ||
Neighbourhood income quintile- n (%) | Missing | 2,317 (4.7%) | 1,009 (0.5%) | <.001 | |
1 (lowest) | 18,151 (37.1%) | 39,076 (20.0%) | |||
2 | 10,481 (21.5%) | 39,113 (20.0%) | |||
3 | 7,706 (15.8%) | 39,044 (20.0%) | |||
4 | 5,923 (12.1%) | 39,978 (20.5%) | |||
5 | 4,283 (8.8%) | 37,224 (19.0%) | |||
Rural/Small Town- n (%) | Missing | 1,573 (3.2%) | 164 (0.1%) | <.001 | |
Yes | 6,339 (13.0%) | 20,659 (10.6%) | |||
No | 40,949 (83.8%) | 174,621 (89.3%) | |||
Time in provincial prison- median days (IQRa) | Admission leading to initial 2010 release | 10 (3-52) | - | - | |
Past five years | 72 (12-230) | - | - | ||
Time to reincarceration- median days (IQRa) | 195 (69-490) | - | N/A | ||
Person years of follow up (persons) | In prisonc | 6,685 (48,861) | 26,738 (195,444) | N/A | |
Post-releasec | 0-6 days | 932 (48,861) | 3,745 (195,444) | ||
7-29 days | 2,929 (47,870) | 12,299 (195,393) | |||
30-89 days | 6,917 (44,939) | 32,037 (195,231) | |||
90-179 days | 8,960 (39,328) | 47,921 (194,794) | Â | ||
180-364 days | 14,624 (33,538) | 98,056 (194,158) | Â | ||
365-730 days | 23,251 (26,055) | 192,449 (193,040) | Â | ||
Number of ADGsa- n (%) | Median (IQR) | 4 (2-7) | 3 (1-5) | <.001 | |
0-4 | 25,383 (51.9%) | 136,412 (69.8%) | <.001 | ||
5-9 | 17,395 (35.6%) | 51,825 (26.5%) | |||
≥10 | 6,083 (12.4%) | 7,207 (3.7%) | |||
Chronic disease prevalenced- n (%) | Diabetes | 2,341 (4.8%) | 8,047 (4.1%) | <.001 | |
Hypertension | 3,629 (7.4%) | 17076 (8.7%) | <.001 | ||
COPDa | 2178 (4.5%) | 3960 (2.0%) | <.001 | ||
Asthma | 8011 (16.4%) | 26,939 (13.8%) | <.001 | ||
CHFa | 166 (0.34%) | 507 (0.3%) | 0.002 | ||
HIVa infection prevalenced- n (%) | 330 (0.7%) | 343 (0.2%) | <.001 | ||
Mental disorders - n (%)prevalenced | Mood disorders | 3,318 (6.8%) | 1,521 (0.8%) | <.001 | |
Schizophrenia | 1,909 (3.9%) | 696 (0.4%) | <.001 | ||
Anxiety disorders | 3,757 (7.7%) | 2,336 (1.2%) | <.001 | ||
Substance–related disorders | 8,270 (16.9%) | 2,392 (1.2%) | <.001 |