The aim of this study was to assess whether our online closed community heart care support group and information resource could sustain changes in health behaviour after the moderators withdrew their support. Heart patients (n = 108) living in a deprived area of Greater Manchester were recruited from general practitioners' coronary heart disease registries. The sample for this randomized controlled trial was divided in half at random where half of the participants received password-protected access to our health portal and the other half did not. At 6 months follow-up (based on the moderated phase), there was a significant difference between the experimental group and the controls in terms of self-reported diet (eating bad foods less often). This change in behaviour was not sustained during the 3-month unmoderated phase. During this unmoderated phase of the intervention, the experimental group had significantly more health care visits compared with the controls. There was no significant difference between the two phases for either group in terms of exercise, smoking or social support. This study offers insight into the potential implications for health changes of moderating arrangements for online health communities.

a b s t r a c t The White Paper Choosing health acknowledges that there is no lack of information in the system about healthy lifestyles, but the manner of communication of risk and the level of support for lifestyle change need improvement. Action also has to be taken to address inequalities in health and to focus on securing better access to healthier choices for people in disadvantaged groups or areas. Accordingly, this randomized controlled trial examined whether access to a purpose-built health portal for heart disease could enable patients to manage better their heart conditions. We recruited 108 men and women aged 50-74 from coronary heart disease registries from a deprived area of Greater Manchester. Every participant received a new computer and one-year broadband subscription; however, only the experimental group received access to the Hearts of Salford health portal. Our results indicate that the experimental group changed their diet significantly. Specifi cally, they reported eating 'bad foods' (such as chips, sweets, crisps, fried foods, ready meals and cakes/biscuits) signifi cantly less often compared to the controls.

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There is now increasing evidence that the public has become much more aware of global warming, climate change and environmental risks. This has been repeatedly demonstrated in a number of official surveys and other research. However, the salience of these issues varies; for some social groups, there are other more significant problems and urgent priorities. It has also been found that while expressing strong beliefs about the negative consequences of global warming, or dependence on fossil fuels, or more positive approval of alternative and renewable energy sources, people do not seem to have translated those opinions into practical actions to limit their energy use in their domestic consumption, lifestyles, or travel patterns, for example. It is this apparent 'discrepancy' between stated beliefs (and values) and behaviour, which comprises the so-called 'value-action gap'. Various writers have observed this in different contexts previously, as will be discussed below. In this chapter, we examine the importance of the value-action gap in relation to hydrogen energy and the emerging hydrogen economy. Qualitative and quantitative data are presented from a series of focus groups and a telephone questionnaire survey of selected samples in seven different areas of England and Wales 1 . The chapter first gives a very brief outline of the nature of hydrogen energy and its potential uses as an innovative technology. Secondly, it reviews selected literature about public attitudes towards environmental and energy issues and the apparent valueaction gap. Findings from our recent research are then discussed. Finally, some general conclusions are offered to account for the ambivalence revealed in this case of hydrogen energy, and the disjunction between people's awareness of an energy crisis and their reluctance to change behaviour. Hydrogen energy and the 'hydrogen economy'With the rapid depletion of fossil fuels (coal, natural gas, oil), governments and energy corporations have been increasingly investing in research and development in alternative and sustainable (renewable) energy sources. The Stern

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From material gathered in the author's study of sickness and absence in a pottery factory, it is shown that genuine sickness is routinely problematic, and must be negotiated between the claimant and others in the work-group, sometimes also management and medical practitioners. Resolutions of the problem are practical and contingent, rarely based on medical proof, actual or imagined. It transpires that gender, age and class relations in the workplace have a bearing on whether and in what terms sickness and/or absence is acceptable. The ambiguities contained in these relations and existing between discourses and techniques of power associated with workdiscipline, worker resistance and medical practice, are reproduced in the negotiation of genuine sickness.

The recent Greening of politics in the West has encouraged rapid development of research into both environmental hazards and risk perceptions among the public. There are also longstanding traditions of research into behaviour under risk in such disparate fields as superpower relations (Allison 1971), inter-country commercial transactions, the economics of uncertainty, and the study of natural disasters (Torry 1979). Relatively few sociologists or social anthropologists have contributed. A major exception is Mary Douglas (1982,1985,1987). This paper is an attempt to make use of her work and to tests its limits, in answering two empirical questions: How do managers and workers address workplace hazards? And, how do motorcyclists and drivers behave on the roads?

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