A medical peer-delivered intervention comprising brief motivational interviewing via instant-messaging interaction to reduce drug misuse among youth in Hong Kong: A protocol for a randomised controlled trial

Table 1 Schedule of enrollment and follow-up assessments

Assessment	Time-point
Assessment	Baseline	1 week	1 Month	3 Months	6 Months	9 months	12 Months
Informed consent for participants	×
Eligibility screen for participants	×
Telephone counselling	×
Sociodemographic characteristics	×
Randomization	×
Intervention	× (twice per week)
Self-reported drug misuse	×	×	×	×	×	×	×
Attempt to quit	×	×	×	×	×	×	×
Chinese drug involvement scale	×				×		×
Drug misuse-related knowledge	×				×		×
Attitudes towards the drug misuse	×				×		×
Contemplation ladder	×	×	×	×	×	×	×
TCU MOTForm	×			×	×	×	×
Adolescent relapse coping questionnaire	×			×	×	×	×
EQ-5D-5 L level	×				×		×
Center for Epidemiologic Studies Depression Scale	×				×		×
Rosenberg self-esteem scale	×				×		×
Referral need and results	×	×	×	×	×	×	×

ISSN: 1940-0640