Standardised (plain) cigarette packaging increases attention to both text-based and graphical health warnings: experimental evidence.
Standardised (plain) cigarette packaging increases attention to both text-based and graphical health warnings: experimental evidence.
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DOI：
10.1016/j.puhe.2014.10.019
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发表时间：
2015-01
期刊：
影响因子：
5.2
通讯作者：
Yarrow K
中科院分区：
文献类型：
--
作者：
Shankleman M;Sykes C;Mandeville KL;Di Costa S;Yarrow K
To investigate whether standardised cigarette packaging increases the time spent looking at health warnings, regardless of the format of those warnings. A factorial (two pack styles x three warning types) within-subject experiment, with participants randomised to different orders of conditions, completed at a university in London, UK. Mock-ups of cigarette packets were presented to participants with their branded portion in either standardised (plain) or manufacturer-designed (branded) format. Health warnings were present on all packets, representing all three types currently in use in the UK: black & white text, colour text, or colour images with accompanying text. Gaze position was recorded using a specialised eye tracker, providing the main outcome measure, which was the mean proportion of a five-second viewing period spent gazing at the warning-label region of the packet. An opportunity sample of 30 (six male, mean age = 23) young adults met the following inclusion criteria: 1) not currently a smoker; 2) <100 lifetime cigarettes smoked; 3) gaze position successfully tracked for > 50% viewing time. These participants spent a greater proportion of the available time gazing at the warning-label region when the branded section of the pack was standardised (following current Australian guidelines) rather than containing the manufacturer's preferred design (mean difference in proportions = 0.078, 95% confidence interval 0.049 to 0.106, p < 0.001). There was no evidence that this effect varied based on the type of warning label (black & white text vs. colour text vs. colour image & text; interaction p = 0.295). During incidental viewing of cigarette packets, young adult never-smokers are likely to spend more time looking at health warnings if manufacturers are compelled to use standardised packaging, regardless of the warning design. Standardised cigarette packs could increase the saliency of health warnings. Eye tracking can reveal how visual attention is allocated. Previous studies only assessed combined image-and-text health warnings. We found standardised packs increased attention to all current UK warning types. This provides additional support for statutory standardised cigarette packaging.
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