Brian G. Southwell

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As part of the formative research for developing interventions to increase colorectal cancer screening in men and women aged 50 and older, 14 focus groups were conducted to identify (1) knowledge, attitudes, and beliefs about colorectal cancer and colorectal cancer screening, (2) barriers to screening, and (3) strategies for motivating and supporting(More)
This study employs focus group methodology to explore gender differences in sunscreen use. Guided by the theory of reasoned action, males and females were found to differ on each of the following constructs: behavior, behavioral beliefs, and normative beliefs. Males and females differed in their sunscreen use, with females adopting a more preventive style(More)
In the context of health campaigns, interpersonal communication can serve at least 2 functions: (a) to stimulate change through social interaction and (b) in a secondary diffusion process, to further disseminate message content. In a 3-wave prospective study of 1,079 smokers, the authors demonstrate that mass media messages (antismoking campaigns and news(More)
UNLABELLED Objectives  To describe the prevalence and characteristics related to indoor tanning use among adults in the United States in the past year. DESIGN Cross-sectional study. SETTING Health Information National Trends Study, 2005. PARTICIPANTS The study included 2869 participants who were white and aged 18 to 64 years; a random subset of 821(More)
Mass media content likely influences the decision of women to breastfeed their newborn children. Relatively few studies have empirically assessed such a hypothesis to date, however. Most work has tended to focus either on specific interventions or on broad general commentary about the role of media. In this study, we examined infant feeding advertisements(More)
Exposure is often cited as an explanation for campaign success or failure. A lack of validation evidence for typical exposure measures, however, suggests the possibility of either misdirected measurement or incomplete conceptualization of the idea. If whether people engage campaign content in a basic, rudimentary manner is what matters when we talk about(More)
A central assumption of many models of human behavior is that intention to perform a behavior is highly predictive of actual behavior. This article presents evidence that belies this notion. Based on a survey of 1,250 Philadelphia adults, a clear and consistent pattern emerged suggesting that beliefs related to domestic violence correlate with intentions to(More)
Salvador F, Molina I. Zika fever. Enferm Infecc Microbiol Clin. In press 2016. http://dx.doi.org/10.1016/j.eimc.2016.02.016 9. Thomas DL, Sharp TM, Torres J, Armstrong PA, Munoz-Jordan J, Ryff KR, et al. Local transmission of Zika virus—Puerto Rico, November 23, 2015–January 28, 2016. MMWR Morb Mortal Wkly Rep. 2016;65:154–8.(More)
On a basic level, perception of user control over media content should be partially a function of control option availability. At the same time, prior user experience with control options should interact with control availability to produce joint effects on control perception. To assess these ideas, we present experimental data from 101 University students(More)