- Short report
- Open Access
Distribution of new graphic warning labels: Are tobacco companies following regulations?
© Wilson et al; licensee BioMed Central Ltd. 2009
- Received: 14 April 2009
- Accepted: 25 August 2009
- Published: 25 August 2009
To test the hypothesis that tobacco companies would not follow a regulation that required seven new graphic health warnings (GHWs) to be evenly distributed on cigarette packs and that they would distribute fewer packs featuring warnings regarded by smokers as being more disturbing.
Cross-sectional survey of purchased packs (n = 168) and street-collected discarded packs (convenience sample of New Zealand cities and towns, n = 1208 packs) with statistical analysis of seven types of new GHWs. A priori warning impact was judged using three criteria, which were tested against data from depth interviews with retailers.
The GHWs on the purchased packs and street-collected packs both showed a distribution pattern that was generally consistent with the hypothesis ie, there were disproportionately more packs featuring images judged as "least disturbing" and disproportionately fewer of those with warnings judged "more disturbing". The overall patterns were statistically significant, suggesting an unequal frequency of the different warnings for both purchased (p < 0.0001) and street-collected packs (p = 0.035). One of the least disturbing images (of a "corpse with toe-tag") dominated the distribution in both samples. Further analysis of the street-collected packs revealed that this image appeared disproportionately more frequently on manufactured cigarettes made by each of the three largest New Zealand tobacco companies. Although stock clustering could explain the purchase pack result, there were no obvious reasons why the same uneven warning distribution was also evident among the street-collected packs.
These results suggest that tobacco companies are not following the regulations, which requires even distribution of the seven different GHWs on cigarette packs; further monitoring is required to estimate the extent of this non-compliance. As an immediate measure, governments should strictly enforce all regulations applying to health warnings, particularly given that these are an effective tobacco control intervention that cost tax payers nothing.
- Tobacco Industry
- Tobacco Company
- Health Warning
- Cigarette Pack
- Graphic Warning
In response to the Framework Convention on Tobacco Control, New Zealand upgraded its requirements for health warnings and introduced new regulations under the Smoke-free Environments Act . These new regulations require tobacco companies to replace text-based health warnings with graphic health warnings (GHWs).
The first set of warnings was phased in from early 2008, and by the end of August 2008, all tobacco packets sold in New Zealand were required to have one of seven GHWs displayed on the front and back of the packet. Tobacco companies opposed the introduction of GHWs, arguing that these would: "denigrate or shame adult consumers" and "denigrate the pack and demonise the tobacco industry" . These comments raise questions about their willingness to comply with both the letter and the spirit of the regulations, which require them to ensure that: "each warning message, corresponding explanatory message, and corresponding graphic appears as nearly as possible on an equal number of retail packages of each different brand of cigarettes or loose or pipe tobacco" . We therefore tested the hypothesis that tobacco companies would not follow this regulation, and would instead distribute fewer of the packs featuring warnings regarded by smokers as being more disturbing.
The new cigarette packs were required to have one of seven images (ie, the first seven pictures of those shown on the New Zealand Ministry of Health website ). To assess how smokers would interpret these seven GHWs, and which they would see as most and least disturbing, we made a priori judgements based on: the specificity with which the image depicted smoking harms; the proportion of smokers who might perceive the image as personally relevant; and the visibility of the harm depicted (damage visible externally versus damage to internal organs).
Following this assessment, the "corpse with toe-tag" image was judged to be "least disturbing", since the causal link with smoking was less apparent. Images of damaged internal organs (ie, the heart and the lung images) were assumed to have an intermediate impact as they are relevant to all smokers, but depict less visible impacts. The image of a "pregnant woman and infant" was also judged to have an intermediate impact for most smokers, since the warning applied directly to only a small proportion of them. Images of external body parts were regarded as likely to be "most disturbing", as these may apply to all smokers and are highly public (ie, the diseased mouth, eye and gangrenous toes). These hypothesised responses were generally consistent with research testing different labels undertaken by one of us (JH). This research found that the more visually impactful the warning (as assessed using retained factors based on paired antonyms scored on semantic differential scales), the higher the level of fear elicited and the stronger the likelihood of cessation-related behaviours .
To further test these criteria, we compared them with data obtained from a separate unpublished study that interviewed Wellington shopkeepers (undertaken by one of us (JL)). Shopkeepers who noticed customers' preferences for different packs (n = 17/21), indicated that customers least preferred warnings featuring the "diseased mouth/mouth cancer" (n = 15), the "eye/blindness" (n = 9), and "gangrenous toes" (n = 8). Shopkeepers reported that their customers were more likely to request images depicting a "pregnant woman and infant" (n = 7) or a "corpse with toe-tag" (n = 5).
We initially collected data by reviewing the warnings on 168 packs of the most popular brands, purchased to contribute to an international tobacco products repository . The packets were purchased from three supermarkets in Wellington and Wairarapa in October 2008, using a standard procedure . As there is a possibility that stores could receive print runs of the same pack design, thus resulting in clustering of the GHWs, we also collected a sample of discarded manufactured cigarette packs, which should not be prone to any print run effects. We undertook convenience sampling in four cities and six New Zealand towns/rural locations during November 2008 to January 2009. Collection was undertaken by some of the authors (n = 4), colleagues (n = 9), and a paid student (with all of the collectors other than the authors being unaware of the precise purpose of the study). All packs observed in the street were collected, no matter how damaged these were and regardless of whether they featured a GHW (ie, we included overseas and pre-graphic warning packs).
To analyse the distribution of the pack images we used a multinomial logistic regression model with no predictors (using PROC LOGISTIC in SAS 9.1; SAS Institute Inc., N.C.). This allowed calculation of an overall chi-square value to test whether equal proportions of the different pack images were collected, as well as odds for each image relative to the reference category (for which we used the "corpse with toe-tag" image based on our judgement that it would be least disturbing for smokers). Odds values and a 95% confidence interval (CI) for each non-reference picture type were calculated (ie, so that an odds value of < 1 indicated that a particular image was less common than the "corpse with toe-tag" image).
Distribution of the seven required graphic health warnings in purchased packs and street-collected packs
Theme of the graphic warning
A priori assessment of the images
Purchased packs (collected October 2008)
Street-collected packs* (collected November 2008 to January 2009)
Corpse with toe-tag
Pregnant woman & infant
Further analysis of street-collected packs indicated that the "corpse with toe-tag" image was the commonest image used on the three largest New Zealand tobacco companies' products (at 16.0%, 22.9% and 24.5%). Table 1 also shows that the least commonly detected warnings for both purchased and street-collected packs, were in the category our a priori classification identified as "most disturbing". This was particularly evident from the purchased packs sample.
The purchased pack results in this study showing uneven GHW distribution may have been a chance finding (as a result of batch clustering). However, the street-collected packs suggest that tobacco companies operating in New Zealand are not following the requirements of the new regulations, which specify an even distribution of GHWs on cigarette packs. Such non-compliance would be consistent with the tobacco companies' stated opposition to GHWs in New Zealand. It would also be consistent with their opposition to other tobacco control interventions in New Zealand over past decades .
While it is plausible that the more disturbing warnings were the first to be employed, and were featured more on packs distributed and sold earlier in 2008 (and thus there was a balance throughout the required 12-month period as stated in the regulations), this would seem unlikely for several reasons. First, featuring the most disturbing images as soon as GHWs were required would be counter to the tobacco industry's over-riding mandate to maximise profit. Second, featuring the most disturbing warnings first would be inconsistent with the industry's opposition to measures they argued would "shame" smokers. Finally, although it is also conceivable that smokers might dispose of the more disturbing packs differently (eg, into rubbish bins rather than dropping them on the street) this would also seem unlikely, as it would require a higher level of conscious thought than is typically associated with littering.
It is also conceivable that the distribution of street-collected packs reflects purchase of particular packs. But for this to result in a distorted distribution of packs for the whole smoker population, retailers who ran low of stock with particular "favoured" warnings would have to selectively re-order packs featuring these warnings. This micro-scale stock management would see both retailers and manufacturers incur considerable additional handling costs, and thus seems very implausible to us. It would also pose more explicit legal risks for the tobacco companies involved.
Comparison of the graphic health warnings (GHWs) in this New Zealand (NZ) study with GHWs and survey data for similar GHWs in Australia
Theme of the GHW used in New Zealand (see Table 1)
Corpse with toe-tag
Pregnant woman & infant
GHWs in NZ in this study
Our a priori assessment used for this NZ study (see Table 1)
Actual main warning text
"Tobacco smoke is poisonous"
"You are not the only one smoking this cigarette"
"Smoking causes heart attacks"
"Over 80% of lung cancers are caused by smoking"
"Smoking causes gangrene"
"Smoking causes blindness"
"Smoking causes mouth cancer"
Nearest equivalent GHWs in an Australian study (out of 14 different GHWs)
Similarity of Australian graphic image to the NZ one
Shows a container of toxic chemicals vs the NZ one of a foot of a corpse with a toe-tag
Shows a sick infant which is very similar to the NZ one (but the NZ one also has an image of a pregnant woman)
Shows a heart bypass operation vs the NZ one of a heart with blackened tissue from a heart attack
Shows a lung cancer vs the NZ one of a diseased versus a healthy lung
Identical photograph of foot with gangrene in both countries
Identical photograph of an eye in both countries
Identical photograph of a mouth in both countries
Actual main warning text (Australian)
"Tobacco smoke is toxic"
"Smoking harms unborn babies"
"Smoking causes heart disease"
"Smoking causes lung cancer"
"Smoking causes peripheral vascular disease"
"Smoking causes blindness"
"Smoking causes mouth and throat cancer"
Rank in terms of unaided recall by smokers*
13 = (lowest)
Rank in terms of effectiveness in "discouraging people from smoking" according to all smokers**
12 = (lowest)
Rank in terms of effectiveness in "discouraging people from smoking" according to non-contemplative smokers***
12 = (lowest)
In response to the findings of this study, we suggest governments should require tobacco companies to submit information on the print runs of the different GHWs. These reports should be tested against audits and regular field surveys, which would be required to validate the data submitted. Given the evidence that GHWs are an effective tobacco control intervention [8, 9], and cost taxpayers nothing, such monitoring is important if GHWs are to have full impact on smokers. As a longer term and more comprehensive measure, the industry's apparent reluctance to comply with the new regulations strengthens arguments in favour of restructuring the tobacco market [10, 11] so that a non-profit health agency, whose primary interest is public health not profit, controls all aspects of cigarette pack content and design.
We thank our colleagues who assisted with pack collection. This work was undertaken as background work for the ITC Project (NZ arm) funded by the Health Research Council of New Zealand and supported by other project partners (see: http://www.wnmeds.ac.nz/itcproject.html).
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