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. 2023 Jul 24;10:36. doi: 10.1186/s40621-023-00450-9

Table 1.

Characteristics of placements in rehabilitative diversion units (RDU) and restrictive housing for control purposes (RHCP) among men eligible for an RDU in North Carolina prisons, 2016–2020

Total Restrictive housing for control purposes Rehabilitative diversion unit
Number of people 3128 3059 1225
Number of incarcerations 3209 3139 1225
Total days contributed to analyses 897,822 480,479 417,343
% of person-days
Age, yearsa
21–25 29.3 28.7 29.9
26–50 68.2 67.2 69.3
51+ 2.6 4.0 0.9
Race and ethnicityb
White, non-Hispanic 21.2 24.0 18.0
Black, non-Hispanic 72.6 70.6 74.9
Hispanic 3.3 2.9 3.9
Others 2.9 2.6 3.3
Self-report, individual socioeconomic statusb
High income 0.8 0.7 1.0
Middle income 40.1 38.6 41.9
Low income 47.8 49.4 46.0
Poverty 11.2 11.3 11.1
Employment at arrestb
Employed 36.4 37.7 34.9
Unemployed 63.6 62.3 65.1
Highest level of education completedb
< 12 years 84.2 83.2 85.2
12 years 15.8 16.7 14.7
13–15 years 0.1 0.0 0.1
Substance use-related treatment recommendationb
None 13.2 13.7 12.6
Education 16.9 16.7 17.1
Intermediate or Intermediate/long-term 53.5 53.5 53.5
Long term 16.5 16.2 16.8
Gang affiliationc
None 64.8 66.4 63.1
Validated 1 1.3 1.8 0.9
Validated 2 0.3 0.4 0.3
Validated 3 33.5 31.5 35.8
Mental health gradea
1 94.5 93.0 96.2
2 5.5 7.1 3.8
Custody levela
Close 97.3 95.0 100.0
Medium 2.4 4.5 0.0
Minimum I 0.3 0.6 0.0
Mean (median, 25th percentile, 75th percentile)
Days incarcerateda 1683.1 (1056.0, 427.0, 2316.0) 1626.6 (928.0, 304.0, 2196.0) 1748.2 (1180.0, 562.0, 2433.0)
Number of previous incarcerationsb 1.9 (1.0, 0.0, 3.0) 2.1 (1.0, 0.0, 3.0) 1.7 (1.0, 0.0, 3.0)
Number of infractions/100 days incarcerateda 1.7 (1.2, 0.8, 2.0) 2.0 (1.3, 0.8, 2.3) 1.4 (1.1, 0.7, 1.8)
Days in any restrictive housinga 921.4 (333.0, 112.0, 913.0) 1014.7 (285.0, 68.0, 856.0) 813.9 (393.0, 152.0, 984.0)
Days in any restrictive housing/100 days incarcerateda 51.6 (38.5, 21.3, 61.8) 57.6 (38.0, 0.0, 63.9) 44.6 (38.9, 23.4, 59.3)
Days in restrictive housing for control purposesa 407.3 (124.0, 0.0, 434.0) 410.2 (57.0, 0.0, 370.0) 404.0 (153.0, 58.0, 469.0)
Days in restrictive housing for control purposes/100 days incarcerateda 22.6 (13.1, 0.0, 30.9) 21.9 (4.4, 0.0, 27.4) 23.5 (18.0, 8.4, 34.2)

aCalculated at the beginning of this eligibility period, during this incarceration

bMeasured at the beginning of this incarceration

cThe highest level of gang affiliation recorded in the prison record during this incarceration, taken at the beginning of the eligibility period. The lowest level of gang affiliation, called “affiliate,” is not represented here