Table 2.
Injection drug use in previous 6 months (outside or inside prisons).
Referring to individuals (denominator) who injected drugs during previous 4-month periods of imprisonment (baseline investigation) or during 4-month follow-up periods.
Injection drug use in previous 6 months (outside or inside prisons).
Referring to individuals (denominator) who injected drugs during previous 4-month periods of imprisonment (baseline investigation) or during 4-month follow-up periods.