Service Use and System Contact Criminal Justice History  # of lifetime arrests M = 16.2 (SD = 15.1) Range = 1 – 85  # of arrests while using/seeking drugs M = 11.9 (SD = 13.8) Range = 0 – 85  Age at first arrest M = 16.9 years (SD = 3.8) Range = 11 – 32  # of times in jail, prison or juvenile lockup M = 11.3 (SD = 11.7) Range = 1 – 60 Study Sample
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