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. 2021 Aug 6;6(10):e760–e770. doi: 10.1016/S2468-2667(21)00162-6

Table.

Characteristics of selected prisons

Dormitories (n=3413) Mixed (n=3231) Cells (n=2243) Women's (n=1093) Medical (n=2399) Total (n=12 379)
Number of yards 7 5 7 5 5 29
Number of buildings 26 26 37 24 61 174
Sex of residents
Female 0 0 0 1093 (100%) 0 1093 (9%)
Male 3413 (100%) 3231 (100%) 2243 (100%) 0 2399 (100%) 11 286 (91%)
Age of residents, years
18–39 1285 (38%) 1459 (45%) 1458 (66%) 546 (50%) 468 (20%) 5216 (42%)
40–64 2080 (61%) 1374 (43%) 748 (34%) 476 (43%) 1299 (54%) 5977 (48%)
≥65 48 (1%) 398 (12%) 37 (2%) 71 (6%) 632 (26%) 1186 (10%)
Room occupancies*
Single cell 34 (1%) 387 (12%) 909 (41%) 497 (45%) 1259 (52%) 3086 (25%)
Double cell 8 (<1%) 1324 (41%) 1326 (60%) 558 (51%) 352 (15%) 3568 (29%)
Small-to-medium dormitory 2698 (79%) 1110 (34%) 8 (<1%) 38 (3%) 592 (25%) 4446 (36%)
Large dormitory 673 (20%) 410 (13%) 0 0 195 (8%) 1278 (10%)
Missing 0 0 0 0 1 (<1%) 1 (<1%)
Security level
1 (lowest) 161 (5%) 125 (4%) 52 (2%) 251 (23%) 123 (5%) 712 (6%)
2 3221 (94%) 1771 (55%) 409 (19%) 555 (51%) 1673 (70%) 7629 (62%)
3 30 (1%) 1021 (32%) 218 (10%) 101 (9%) 122 (5%) 1492 (12%)
4 (highest) 1 (<1%) 314 (10%) 1564 (71%) 178 (16%) 477 (20%) 2534 (20%)
Missing 0 0 0 8 (1%) 4 (<1%) 12 (<1%)
Comorbidities
None 2441 (72%) 1668 (52%) 1634 (74%) 583 (53%) 658 (27%) 6984 (56%)
≥1 972 (28%) 1563 (48%) 609 (28%) 510 (46%) 1741 (73%) 5395 (44%)
Participation in activities§
Before closures
Labour 1985/4026 (49%) 1452/4310 (34%) 978/2647 (37%) 697/1641 (42%) 568/2816 (20%) 3695/15 440 (32%)
School 1467/4026 (36%) 669/4310 (16%) 248/2647 (9%) 495/1641 (30%) 81/2816 (3%) 1493/15 440 (13%)
Other 1516/4026 (38%) 1730/4310 (40%) 1108/2647 (42%) 967/1641 (59%) 1543/2816 (55%) 5348/15 440 (47%)
With closures
Labour 1387 (41%) 755 (23%) 757 (34%) 350 (32%) 333 (14%) 2195 (25%)
School .. .. .. .. .. ..
Other 119 (3%) 148 (5%) 129 (6%) 310 (29%) 489 (21%) 1075 (12%)

Data are number of residents (%), unless stated otherwise. Dormitories are rooms with at least three occupants, and cells are rooms with no more than two occupants, with the mixed prison composed of a mix of dormitories and cells. CDCR=California Department of Corrections and Rehabilitation.

*

Small-to-medium dormitories have three to 30 occupants, and large dormitories have at least 31 occupants.

Based on the CDCR's security level system.

Comorbidities include advanced liver disease, asthma, cancer, chronic obstructive pulmonary disease, chronic lung disease, cardiovascular disease, diabetes, HIV, immunocompromised, kidney disease (eg, on dialysis).

§

Residents' participation in activities out of their rooms (but still in the prison) in the past week with at least one other resident. Before closures indicates January, 2020 (before closures due to COVID-19), and with closures indicates November, 2020 (with closures due to COVID-19 implemented). Before COVID-19-related closures, population sizes were larger than the column total because COVID-19 led to population reductions. Data on activities are only displayed for residents who were in custody the entire week. Labour includes both jobs that support the upkeep of the prison (resident workers at medical prisons, laundry, kitchen duty, etc) and industries. School includes any educational activities; these are all set to 0 during closures because the CDCR has had residents participate in educational activities in their rooms to minimise transmission. Other captures additional activities such as medical appointments, group therapy, and worship. Additional model parameters are shown in the appendix (pp 3–4).