Table 1.

Participant characteristics (n=27)

Characteristic	n
Age, years	47.3 (8.7)
Sex
Male	22 (81.5)
Female	5 (18.5)
Ethnicity
White British	14 (51.9)
Black British	4 (14.8)
Other	9 (33.3)
OAT
Methadone	17 (63.0)
Buprenorphine	10 (37.0)
OAT episode and regimen
Existing episode—change to self-administered dosing	20 (74.1)
Existing episode—already self-administered dosing	2 (7.1)
New episode—self-administered dosing from induction	5 (18.5)

Numbers in parentheses are SD or percentage.

OAT, opioid agonist treatment.