Very Brief Smoking Reduction Intervention

Chinese PLA General Hospital500 enrolled

Overview

A two-arm randomized controlled trial for smokers who are not intent to quit smoking will be proposed in outpatient department clinics of People's Liberation Army General Hospital in Beijing, China. Smoking reduction intervention arm (SRI) consisting of a very brief face-to-face individual smoking reduction intervention lasted about one minute, and five follow-up interventions lasted for about minute each. Control arm (EDA) consisting of a very brief face-to-face individual exercise and dietetic advices lasted for the same intervention time as SRI, and also five follow-up interventions lasted for one minute each with different intervention contents.

Study Type

INTERVENTIONAL

Allocation

RANDOMIZED

Purpose

HEALTH_SERVICES_RESEARCH

Masking

SINGLE

Enrollment

500

Conditions

Smoking Cessation

Interventions

Smoking reduction interventionBEHAVIORAL

Smokers was informed that many harmful effects were proved to be related with smoking, such as cancer, coronary heart disease, respiratory disease and many other health problems, and one out of two smokers will be killed by smoking. Smokers will be advised to reduce smoking consumption for at least half of their total consumption in the next month. Finally, all smokers were warned to keep in mind that the current attempt to reduce smoking is an intermediate step before the complete cessation.

Exercise and diet advice controlBEHAVIORAL

Smokers will be asked to do regular activities for three or four times per week, and to have a healthy and balanced diet, having more fruit and vegetables which are rich in vitamins, high in nutrition yet low in calories. In the whole process, advises will not refer to smoking cessation or smoking reduction.

Eligibility

Sex: ALLMin age: 18 YearsMax age: 70 YearsHealthy volunteers:

Medical Language ↔ Plain English

Inclusion Criteria: 1. Aged ≥18 years old; 2. Smoked more than 10 cigarettes per day in the past month. 3. Have no intent to smoking cessation now. 4. Agreed to participate in the follow-up, offer telephone number and signed an informed consent form. Exclusion Criteria: 1. Smoked less than 10 cigarettes per day in the past month. 2. Had some diseases that let the physician think that it would be unethical not to advise him to quit smoking as soon as possible. 3. Cognitively impaired (such as those with deafness or who could not understand and complete the questionnaire reliably). 4. Pregnant females.

Outcomes

Primary Outcomes

self-reported 7-day point prevalence quit rate

Time frame: at 12 months follow-up

prolonged abstinence quit rate

Time frame: at 12 months follow-up

Secondary Outcomes

smoking reduction rates

number of cigarettes smoked per day reduced at least 50%

Time frame: baseline and at 12 months follow-up

Data from ClinicalTrials.gov

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