Newswise — CHAPEL HILL -- Although the health risks associated with indoor tanning are clear, tanning bed use among college-aged women is still popular. A new study by UNC Lineberger Comprehensive Cancer Center researchers suggests that adding images depicting the longer-term impacts of indoor tanning might be an effective health risk communication strategy.
The researchers report in the Journal of Health Communication that anti-tanning bed messages with images showing some of the longer-term effects, such as skin cancer or wrinkles, produced greater negative emotional reactions and higher ratings of effectiveness in a survey of female college students.
“Reducing tanning bed use would lead to reductions in skin cancer, and this is a ‘winnable battle,’” said study co-author Seth Noar, PhD, a UNC Lineberger researcher and professor in the UNC School of Media and Journalism. “Indoor tanning is clearly a modifiable behavior – no one needs to lay in a tanning bed.”
Ninety percent of cases of melanoma, the deadliest skin cancer, are caused by exposure to ultraviolet light, the researchers report. A 2009 study found tanning beds’ fluorescent bulbs generate UV radiation that is three times more intense than the sun.
Indoor tanning is most common among younger, non-Hispanic white women. According to the 2010 National Health Interview Survey, as many of 32 percent of women aged 18 to 21 years used tanning beds, and 30 percent of white women aged 22 to 25 years reported using them. And according to the Skin Cancer Foundation, people who start indoor tanning before age 35 increase their risk of melanoma by 59 percent.
Yet few studies have looked at messages to deter women from using tanning beds, Noar said.
“This lack of research means we know little about what kinds of messages campaigns and other communications should focus on, and little about what would make an effective warning message,” he said. “This study gives us some guidance as to what makes more effective messages targeting young women who use tanning beds or are thinking about using tanning beds.”
To identify which type of messages would be most effective, researchers surveyed 568 women enrolled at a university about the effectiveness of different messages viewed online. The study found messages with images produced greater negative emotional reactions, and were perceived as more effective in discouraging tanning than text-only messages.
Messages that showed the longer-term health effects, like skin cancer and eye damage, and appearance-related side effects, like wrinkled skin, were rated as more effective among young women than images showing immediate tanning risks, like burns and infections.
“Many young women who tan indoors are already familiar with the long-term health effects, but communicating these risks using visuals is much more hard-hitting than just text,” said the study’s first author Jennah Sontag, a doctoral candidate in the UNC School of Media and Journalism. “Because many women tan indoors to ‘improve’ their appearance, they should understand that their appearance is actually at-risk in the long-term,” she added.
Interestingly, they also saw that those surveyed said many of the text-only messages were more believable than those that included images. The researchers concluded that warnings should include images, but additional research is needed to make sure the images are realistic and believable.
The study findings have the greatest implications for a print or even social media-based health communication campaign, Noar said, although they could be relevant to warnings on tanning beds themselves.
“The FDA re-classified tanning beds into a stricter device category in September of 2014, and this included stronger warnings on tanning beds,” Noar said. “However, the new warnings do not include images, and it is unclear whether they have impact. Our tanning research is very consistent with previous work in tobacco, and suggests that these kinds of warnings would be more effective if they were to visually depict real tanning harms such as melanoma, permanent eye damage, and premature skin aging.”
The study was supported by UNC Lineberger and the University Cancer Research Fund.
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