Please select the eligibility criteria that correspond to the clinical trial below.
Title: Effectiveness of Using Social Networking Service to Prevent Smoking Relapse Among Self-reported Quitters: A Pilot Randomized Control Trial
Brief Summary: According to the Census \& Statistics Department, there are still 659,300 daily smokers (11.1%) in Hong Kong. Smoking is addictive, and it is difficult for some motivated smokers to quit without assistance. About 33.2% daily smokers in Hong Kong had tried quitting but they could not maintain abstinence. Relapse prevention is aimed at providing interventions to prevent relapse after starting the abstinence status. This pilot single-blind randomized controlled trial (proof of concept study) will test the effectiveness of social networking services for relapse prevention. The study will first recruit 6 quitters and 6 relapsers for a qualitative interview for the design of intervention. Then, the pilot-RCT trial will recruit 120 participants who have recently quitted smoking, and they will be randomly allocated to 2 intervention groups and one control group. The 2 intervention groups will be arranged to join a WhatsApp or Facebook group for receiving quitting advices from the group moderators and sharing quitting experience with other participants. All participants will receive a self-help booklet of relapse prevention, and will be followed up at 6 weeks, 3 months and 6 months. The primary outcome is the self-report relapse rate (Relapse is tentatively defined as smoking 5 cigarettes in 3 consecutive days since joining the RCT among the 3 study arms.


Options:
A: Inclusion Criteria:

* Smoking withdrawal for at least 1 week
* Age more than 18 years

Exclusion Criteria:

* Epilepsy
* Psychiatic desease
* Dementia
B: Inclusion Criteria:

* Smoked at least 1 cigarette a day when first joined ICSC
* Aged 18 or above at the baseline of the RCT
* Clients who have received 3 to 5 smoking cessation counseling provided by ICSC
* Reported tobacco abstinence in the past 7 days at the 8-week follow-up since receiving treatment from ICSC
* Able to communicate in Cantonese and read Chinese
* Have a local network mobile phone with mobile internet access

Exclusion Criteria:

* Those with unstable physical or psychological conditions as advised by the doctor or counselor in charge
* Smokers with diagnosed alcohol dependence by clinicians or the score of the Alcohol Use Disorders Identification Test (AUDIT) is 8 or higher
C: Inclusion Criteria:

* Smoking 35 or more cigarettes per week or 5 or more cigarettes per day,
* Smoking for at least 2 years, with no period of abstinence longer than 3 months.

Exclusion Criteria:

* Using any smoking cessation drugs or nicotine replacement drugs in the last 3 months,
* Use of medication to treat depression or any psychiatric illness,
* Impaired renal function,
* Unstable medical condition,
* Pregnancy or breast feeding.
D: Inclusion Criteria:

* 18 years or older
* Smoke \>=6 Cigarettes per day
* English or Spanish speaking
* Valid phone number
* Valid address
* Gave consent to participate in study and evaluation

Exclusion Criteria:

* Hospital stay of less than 24 hours
* Inability to communicate orally
* Hypersensitivity to nicotine
* Pregnant
* Hospitalized for psychiatric treatment

Answer: B