About this trial
Aim: To test the effectiveness of a peer-led personalized support program using instant messaging applications and a self- determination theory-based intervention to help young drug abusers quit drugs.
Hypothesis to be tested: The investigators hypothesize that compared with those in the control group, the participants in the intervention group will experience greater success in reducing and quitting drugs and will have a better health-related quality of life at 12 months follow-up.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
be aged 35 or below
be able to communicate in Cantonese
have an history of drug abuse within the past 12 months (including all types of drugs such as narcotics analgesics, hallucinogens, depressants, stimulants, tranquillizers and other recreational drugs)
Disqualifiers
psychologically or physically unable to communicate
be aged 18 - 35
be able to communicate in Cantonese
have a medical background
Trial design
Parallel
Treatments tested in this trial
Health-risk behaviors
Other interventionParticipants will be asked about the priority they place on engagement in health-related lifestyles, such as quitting drugs, alcohol, smoking or exercising regularly.
Theory of planned behavior, Self-determination theory
Other interventionThe participants will be asked to quit drugs immediately or progressively with the ultimate goal of quitting drugs completely.
Assist them to adhere to their schedule of quitting drugs throughout the study period
Other interventionThe participants will receive instant messaging via WeChat or WhatsApp from peer supporters to assist them to adhere to their schedule of quitting drugs throughout the study period.
Assist them to adhere to their schedule of desirable health-related lifestyles/quitting drugs throughout the study period
Other interventionThe participants will receive instant messaging via WeChat or WhatsApp from peer supporters to assist them to adhere to their schedule of desirable health-related lifestyles/quitting drugs throughout the study period.
(AWARD) model
Other interventionParticipants receive a brief intervention using the Ask, Warn, Advise, Refer and Do-it-Again (AWARD) model
Receive four independent 1-minute videos
Other interventionThe participants will receive four independent 1-minute videos which focus on the health risks associated with abusing drugs and the benefits of quitting drugs.
Treatment groups
Trial outcomes
Primary outcomes
Change in Drug Consumption
Participants' change in drug consumption between baseline and 12-month follow-up will be measured by a structured-questionnaire. The questionnaire gathers the frequency and categories of drug consumption in the past 30 days. The more frequencies and the more kinds of drug used indicating the higher consumption of drug abuse.
Secondary outcomes
The self-reported drug abuse abstinence rate
Participants' drug abuse abstinence between baseline, 6-month follow-up and 12-month follow-up will be measured by a structured-questionnaire. The questionnaire gathers the self-reported drug abuse abstinence in the past 30 days (do not use drug for at least 30 days during the time of follow-up).
The change in drug consumption
Participants' change in drug consumption between baseline and 6-month follow-up will be measured by a structured-questionnaire. The questionnaire gathers the frequency and categories of drug consumption in the past 30 days. The more frequencies and the more kinds of drug used indicating the higher consumption of drug abuse.
The changes of the contemplation stages at 6-month and 12-month
Participants' changes of the contemplation stages between baseline, 6-month and 12-month follow-up will be measured by a structured-questionnaire of Contemplation Ladder.
Change of other health-related lifestyles
Participants' change of other health-related lifestyles for the drug abuser between baseline, 6-month, 12-month follow-up will use a structured-questionnaire to measure their alcohol consumption, smoking consumption, vegetable and fruit consumption and exercising frequency.
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