Effectiveness of Regular Reporting of Spirometric Results on Smoking Quit Rate.

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Clinical Phase

NA

Total Enrollment

466 participants

Study Classification

INTERVENTIONAL

Study Start Date

2005-01-31

Study Completion Date

2011-03-31

Brief Summary

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The purpose of this study is to evaluate the effectiveness of regular reporting of spirometric results combined with smoking cessation advice on smoking quit rate in adult smokers in primary care.

Hypothesis: In adult smokers, regular reporting of spirometric test results in addition with smoking cessation advice will increase smoking quit rate.

Expected outcome: increase of smoking cessation rate .

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Detailed Description

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Design: Intervention study with two randomized arms in 5 primary care centers of two health areas.

Study population: 466 smokers over the age of 18 consulting their primary care physician for any reason and who do not fulfil the exclusion criteria.

Measurements and interventions: The study data will be collected using a structured questionnaire and data collection sheets specifically designed for the study The structured questionnaire will include the following data: sociodemographics, clinical history, smoking habit, respiratory symptomatology, smoking dependence test and smoking cessation motivation test.

The data collection sheets will include information related to the spirometric results, peak expiratory flow rate and the carbon monoxide test when performed.

On visit 0, the primary care physician will give a brief structured smoking cessation advice to all patients combined with a detailed and structured discussion of the spirometric results. After this visit the patients will be randomised in two arms (control and intervention groups).

Randomisation will be performed using a computer programme.

Randomisation will be carried out by the Coordinating Centre.

Both groups will be followed up by telephone at three (visit 1) and six months (visit 2) and at one-year (visit 3) and two-year(visit 4).

During the follow up visits brief structured smoking cessation advice will be reinforced in the control group but the spirometric results will not be discussed. In the intervention group brief structured smoking cessation advice will be reinforced with a detailed structured reminder discussion of the results obtained from the spyrometry of visit 0.

Follow up visits 1 and 2 will be undertaken by telephone and the patients will be asked about their smoking habit and will be given a brief questionnaire.

One month before visits 3 and 4 both groups will undergo the same series of tests performed prior to visit 0 with the exception of the peak expiratory flow rate. Spirometry will be done only in the intervention group.

On visits 3 and 4, the same intervention will be done. On both visits 3 and 4 all the participants who report smoking withdrawal will undergo the carbon monoxide test.

Conditions

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Smoking Cessation COPD

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

PREVENTION

Blinding Strategy

NONE

Study Groups

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Spirometry and lifestyle counseling

Intervention group: The intervention is to give brief structured smoking cessation advice combined with a detailed and structured discussion of the spirometric results.

Group Type EXPERIMENTAL

Lifestyle counseling and spirometry

Intervention Type BEHAVIORAL

The patients of the intervention group will be given a brief structured smoking cessation advice by their primary care physician combined with a detailed and structured discussion of the spirometry results.

Lifestyle counseling

No intervention group: the patients of the control group will receive a brief structured smoking cessation advice.

Group Type NO_INTERVENTION

Smoking cessation advice

Intervention Type BEHAVIORAL

Brief smoking cessation advice

Interventions

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Lifestyle counseling and spirometry

The patients of the intervention group will be given a brief structured smoking cessation advice by their primary care physician combined with a detailed and structured discussion of the spirometry results.

Intervention Type BEHAVIORAL

Smoking cessation advice

Brief smoking cessation advice

Intervention Type BEHAVIORAL

Eligibility Criteria

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Exclusion Criteria

* Previous diagnosis of COPD by spirometry.
* Patients contraindicated to undertake spirometry.
* Patients without a telephone.
* Patients with communication difficulties: cognitive and/or sensorial deterioration, language.
* Patients with severe disease of poor prognosis (life expectancy of less than one year).
* Patients with another respiratory disease: asthma, COPD, neoplasm of the respiratory tract, pulmonary thromboembolism, pulmonary tuberculosis, interstitial diseases.
* Patients who do not give written informed consent to participate in the study.

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No