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

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, years^a

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 ethnicity^b

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 status^b

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 arrest^b

Employed

36.4

37.7

34.9

Unemployed

63.6

62.3

65.1

Highest level of education completed^b

< 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 recommendation^b

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 affiliation^c

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 grade^a

1

94.5

93.0

96.2

2

5.5

7.1

3.8

Custody level^a

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 incarcerated^a

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 incarcerations^b

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 incarcerated^a

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 housing^a

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 incarcerated^a

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 purposes^a

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 incarcerated^a

22.6 (13.1, 0.0, 30.9)

21.9 (4.4, 0.0, 27.4)

23.5 (18.0, 8.4, 34.2)