Marcus Bergman

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AIMS To develop and test the validity of a questionnaire measuring the confidence of current and former smokers in their ability to abstain from smoking in high-risk situations. DESIGN AND PARTICIPANTS We collected qualitative data in a first mail survey in 115 smokers and ex-smokers, and used these data to develop survey items. We collected quantitative(More)
AIM To develop and test the validity of a scale measuring attitudes towards smoking in current and former cigarette smokers. DESIGN AND PARTICIPANTS In a first mail survey, we collected qualitative data from 616 smokers. In a second mail survey, we collected quantitative data from 529 smokers and ex-smokers. We conducted a 16-month follow-up survey among(More)
Smoking-cessation advice may be more effective and acceptable if it is based on strategies used by people who quit smoking on their own. The objective of this study was to identify these self-change strategies and to develop and validate questionnaires measuring the frequency of their use in current and former smokers. Development of questionnaire items was(More)
In quality improvement projects—such as Six Sigma projects—an exploratory phase can be discerned, during which possible causes, influence factors or variation sources are identified. In a subsequent confirmatory phase the effects of these possible causes are experimentally verified. Whereas the confirmatory phase is well understood, in both the statistical(More)
In this paper we use the 1994-1997 Youth Surveys of the British Household Panel Study to examine the wellbeing of young adolescents. We conceptualize wellbeing as a multi-dimensional construct and we develop and test models of gender and age differences. Using confirmatory factor analysis, we find clear gender differences in self-esteem, self-efficacy,(More)
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