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ID
Source
Brief title
Health condition
Smoking-related diseases
Sponsors and support
Intervention
Outcome measures
Primary outcome
The proportion of abstinent participants 12 months after the initial quit date (t1 – t4). This refers to prolonged abstinence between quit day (t1) and the 52-week follow-up (t4).
Abstinence will be evaluated by self-reported smoking (via email/sms), which is validated by CO measurements.
Secondary outcome
- Smoking abstinence at 13 weeks (t2) and 26 weeks (t3).
- Self-efficacy of smoking abstinence
- Motivation to quit.
- Packyears (= number of daily pack x years).
- Nicotine dependence
Background summary
The aim of the project is to evaluate whether a lottery at the workplace will increase the effectiveness of evidence-based tobacco-cessation training by increasing the number of successfully quitted smokers after 12 months. A cluster randomized controlled trial will be conducted on smoking employees and short and long-term assessments on abstinence of smoking will be conducted.
Study objective
It is hypothesized that the lotteries will increase abstinence smoking rates over and above an effective smoking-cessation training program.
Study design
Baseline, 13 weeks, 26 weeks, 52 weeks
Intervention
Both the intervention and the control condition will receive an effective smoking-cessation training program. The training sessions will be given by professional coaches from the Dutch company SineFuma. The program consists of seven weekly group counseling sessions of 90-minutes session per week in the workplace setting. A standard part of the weekly sessions is the Carbon Monoxide (CO) measurement.
Participants in the intervention condition will follow the smoking cessation training in combination with lotteries. Lottery participants can win €50 every week for 3 months. The winning ticket is drawn out of all lottery participants within each company and is announced to all, but the winners are only eligible for their prize if they did not smoke that week, as confirmed by a noninvasive breath- test (CO measurement). After 6 months, participants can win a family vacation (worth €400). The winners are informed about their prize, but can only claim the prize if they remained abstinent for 6 months.
Koen Van der Swaluw
+31 (0)302742032
koen.van.der.swaluw@rivm.nl
Koen Van der Swaluw
+31 (0)302742032
koen.van.der.swaluw@rivm.nl
Inclusion criteria
Companies:
1. The management considers it important to stimulate employees to quit smoking
and is willing to pay for the tobacco-cessation training and the lotteries;
2. The management agrees that study participants participate in the counseling sessions and CO-measurements during working hours on a location arranged by the company.
Participant
1. Is at least 18 years old;
2. Is a daily smoker and has been smoking tobacco for at least six months;
3. Wants to quit smoking tobacco.
Exclusion criteria
Participant:
1. Having planned to leave their company within six months;
2. Having an acute life-threatening disease;
3. Not being able to read or speak Dutch.
Design
Recruitment
IPD sharing statement
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Other (possibly less up-to-date) registrations in this register
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In other registers
| Register | ID |
|---|---|
| NTR-new | NL8463 |
| Other | Ethische Commissie Sociale Wetenschappen van Radboud University Nijmegen : ECSW-2019-114 |