Browsing by Author "Spicer J"
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- ItemAlcohol marketing on social media: young people’s exposure, engagement and alcohol-related behaviors(Taylor and Francis Group, 2024-07-08) McCreanor T; Moewaka Barnes A; Goodwin I; Carah N; Young J; Spicer J; Lyons ACAim Alcohol promotions in conventional channels are associated with subsequent alcohol consumption in young people, but little is known about young people’s exposure to digital alcohol marketing. This exploratory study investigated young people’s exposure to, and engagement with, alcohol marketing on social media platforms, variations across sociodemographic groups and associations with alcohol-related behaviors. Method An online survey was conducted with 3698 participants aged between 14 and 20 years (M = 17.1; SD = 1.8) in New Zealand. The survey asked about social media use and exposure to and engagement with alcohol product marketing on their preferred platforms, alcohol consumption patterns, hazardous drinking (AUDIT-C scores) and purchasing alcohol online. Results Nearly three-quarters of the sample who responded to questions about exposure to alcohol marketing (70.6%; n = 1541) reported seeing marketing on at least one social media platform, with older respondents (18–20 years) more likely to report exposure than younger respondents (14–17 years); no differences were found across gender, ethnicity or socioeconomic groups. Over one-third of those who responded to questions about engagement (40.7%; n = 850) reported engaging with alcohol marketing and this varied by age, gender and ethnicity. Recall of exposure to alcohol marketing was less strongly associated with online purchase and having ever drunk alcohol than was engagement with alcohol marketing, which was also associated with hazardous drinking. Conclusions Engagement with alcohol marketing was more strongly related to alcohol behaviors, including online purchasing, having ever drunk alcohol, and drinking at hazardous levels, than exposure. These findings also demonstrated inequitable patterns of engagement with alcohol marketing on social media associated with these novel algorithmic marketing methods.
- ItemDo hotter temperatures increase the incidence of self-harm hospitalisations?(Routledge, 2016) Williams MN; Hill SR; Spicer JA relationship between air temperature and the incidence of suicide has been established in a number of previous studies. Interestingly, the relationship between geographical variation in temperature and suicide incidence has generally been found to be negative, while the relationship between temporal variation in temperature and suicide incidence has generally been found to be positive. It is less clear, however, how temperature relates to the incidence of self-harm. This topic is of particular importance given the presence of ongoing global warming. This study investigated the relationship between temperature and the incidence of self-harm resulting in hospitalisation in New Zealand. Self-harm hospitalisations by date and district for 1993-2009 were obtained from the Ministry of Health. Meteorological data was obtained from NIWA. Generalised linear mixed models were used to estimate the effects of three different components of variation in temperature: geographical, seasonal and irregular. Irregular (random) daily variation in temperature had a modest positive relationship with the incidence of acts of self-harm resulting in hospitalisation, with about 0.7% extra incidents for every 1 °C increase in temperature. However, there was no strong evidence for a positive effect of either seasonal or geographical variation in temperature. We conclude that temperature does appear to bear some relation to the incidence of self-harm, with irregular daily variation in temperature having a positive effect. However, inconsistencies in the effects of different components of variation in temperature make it challenging to accurately predict how global warming will influence the incidence of self-harm.
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- ItemIn response to "temperature and violent crime in dallas, Texas: relationships and implications of climate change".(2013-09) Williams MN; Hill SR; Spicer J
- ItemThe relationship between temperature and assault in New Zealand(Kluwer Academic Publishers, 29/10/2015) Williams MN; Hill SR; Spicer JA number of previous studies have reported a positive relationship between ambient temperature and the incidence of violent crimes such as assault. This has led some authors to suggest that anthropogenic climate change may result in an increase in violent crime rates. In this study, we report an investigation of the relationship between temperature and assault incidence in New Zealand. Both police data listing recorded assaults as well as data from the Ministry of Health listing hospitalisations due to assault were examined. Geographical, seasonal, and irregular daily variation in temperature were all positively related to the incidence of assault, although only the effect of irregular variation in temperature was robust to controls for plausible confounds. The estimated effect of irregular daily variation in temperature was approximately 1.5 % extra recorded assaults for each 1 °C increase in temperature. It remains difficult, however, to make accurate predictions about future assault rates in a warming world. For example, humans may react to sustained changes in climate in ways that differ markedly from their reaction to short-term variation in temperature. Climate change may also affect rates of violence via mechanisms other than those that currently drive the relationship between temperature and violence. Furthermore, assault rates may continue to change in response to factors unrelated to climate change, such as those responsible for the long-term historical decline in human violence.