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| Name | Class |
|---|---|
| Health and Medical Research Fund | OTHER_GOV |
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The goal of this pilot trial is to develop and examine the trial feasibility and acceptability of a chatbot for smoking cessation in youth smokers. Specific aims include:
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Chatbot counselling | Experimental | Smoking cessation counselling delivered by chatbot |
|
| Peer counselling | Active Comparator | Smoking cessation counselling delivered by peer counsellors |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Chatbot counselling | Behavioral | Access to a chatbot that provides smoking cessation counselling based on the 5A's (Ask, Advice, Assess, Assist, Arrange follow-up) and 5R's (Risk, Relevance, Rewards, Relevance, Roadblocks, Repetition) tobacco intervention models from baseline to 3-month post-baseline. |
| Measure | Description | Time Frame |
|---|---|---|
| Biochemically-validated tobacco abstinence | Defined as a negative result of the iScreen OFD test for measuring salivary cotinine (with a cut-off of lower than 30ng/mL) | 6 months after randomisation |
| Recruitment rate | Number of participants divided by the number of eligible subjects | Through recruitment completion, about 9 months |
| Retention rate | Number of participants completed the follow-up divided by the number of participants | 6 months |
| Measure | Description | Time Frame |
|---|---|---|
| Self-reported 7-day point-prevalence tobacco abstinence | Being completely smoke-free in the past 7 days | 3 months after randomisation |
| Self-reported 7-day point-prevalence tobacco abstinence | Being completely smoke-free in the past 7 days |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Tzu Tsun Luk, PhD, RN | The University of Hong Kong | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| HKU Youth Quitline | Hong Kong | Hong Kong |
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| ID | Term |
|---|---|
| D064424 | Tobacco Use |
| D016540 | Smoking Cessation |
| ID | Term |
|---|---|
| D001519 | Behavior |
| D015438 | Health Behavior |
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|
| Peer counselling | Behavioral | Usual treatment provided by the Youth Quitline, i.e., telephone counselling for smoking cessation based on the 5As and 5Rs models delivered by trained peer counsellors at baseline and 1 week, 1 month and 3 months post-baseline |
|
| 6 months after randomisation |
| Self-reported 30-day point-prevalence tobacco abstinence | Being completely smoke-free in the past 30 days | 3 months after randomisation |
| Self-reported 30-day point-prevalence tobacco abstinence | Being completely smoke-free in the past 30 days | 6 months after randomisation |
| Self-reported 24-hour quit attempt | Serious attempt to quit smoking for 24 hours or longer in daily smokers | 3 months after randomisation |
| Self-reported 24-hour quit attempt | Serious attempt to quit smoking for 24 hours or longer in daily smokers | 6 months after randomisation |
| Self-reported 50% smoking reduction | Smoking reduction by at least half of the baseline daily number of cigarettes in continued smokers | 3 months after randomisation |
| Self-reported 50% smoking reduction | Smoking reduction by at least half of the baseline daily number of cigarettes in continued smokers | 6 months after randomisation |