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. 2021 Jul 27;9:18. doi: 10.1186/s40352-021-00144-8

Table 1.

Participant characteristics by Prison

Prison I
n = 256
%/mean(SD)
Prison II
n = 804
%/mean(SD)
SHU
n = 58
%/mean(SD)
Total*
N = 1118
%/mean(SD)
Sig
p < .05
Perpetrated violence
Intimidation (sum) (0–14) 2.2 (2.8) 1.4 (2.4) 2.1 (2.7) 1.6 (2.5) *
Physical violence (sum) (0–13) 2.8 (3.0) 2.2 (2.6) 3.6 (3.1) 2.4 (2.8) *
Types of abuse experienced (count) < 18 3.6 (3.6) 2.8 (3.1) 4.3(3.4) 3.1 (3.3) *
Criminal justice predictors
Age of first arrest < 18 39.6 31.7 60.7 35.0 *
Number of arrests 11.0 (19.5) 14.2 (21.9) 14.6 (19.4) 13.5 (21.3)
Substance use predictors
Number of substances used (0–8) 2.0 (1.4) 2.2 (1.6) 2.8 (1.9) 2.2 (1.6) *
Race/ethnicity *
White 25.8 30.3 13.8 28.4
Hispanic/Latina 28.1 34.3 36.2 33.0
Black/African American 24.6 16.2 27.6 18.7
Multiracial 12.1 11.2 22.4 12.0
Other/unknown 9.4 8.0 0.0 7.9
Age (at baseline interview) 40.1 (12.5) 36.0 (9.9) 33.5 (8.8) 36.8 (10.6) *
Education (HS/GED or higher) 4.5 5.1 6.9 5.1
Marital status *
Single/never married 41.7 45.1 64.9 45.4
Living together/legally married 30.7 30.0 21.1 29.7
Separated/divorced/widowed 27.6 24.8 14.0 24.9

*N’s vary for each variable due to missing data. Arrest variables had the highest amount of missing data with a total of 1076 valid cases for number of arrests, and 1091 valid cases for age of first arrest