Interdisciplinary School of Health Sciences, University of Ottawa, Ottawa, ON, Canada.
Independent Consultant, Gatineau, QC, Canada.
Int J Obes (Lond). 2014 Apr;38(4):558-62. doi: 10.1038/ijo.2014.4. Epub 2014 Jan 14.
To assess whether children's exposure to television food/beverage advertising has changed since the implementation of the self-regulatory Canadian Children's Food and Beverage Advertising Initiative (CAI).
Data on 11 advertised food/beverage categories (candy, chocolate bars, cookies, portable snacks, cheese, yogurt, cereal, juices, soft drinks, diet soft drinks and fast food) were purchased from Nielsen Media Research for May 2006, 2009 and 2011 for the broadcasting markets of Toronto and Vancouver. The number of advertisements aired on 27 television stations between 0600 hours-1200 hours was determined in Toronto and Vancouver for May 2006, 2009 and 2011 and the percentage change in the number of spots between May 2006 and May 2011 on all stations, on children's specialty stations and on generalist stations was then calculated. The average number food/beverage spots seen by children aged 2-11 was determined for May 2006 and 2009 and the percentage change was calculated.
On children's specialty channels, a 4.5% decrease in total spots aired was observed while spots aired on generalist stations increased by 44% (Toronto) and 45% (Vancouver). On all stations, children's total average exposure to food/beverage advertising increased by 16.8% in Toronto and 6.4% in Vancouver between 2006 and 2009. Significant increases were seen in snacks and yogurt in both cities, and in fast food in Toronto. On children's specialty channels, children's exposure to the food/beverage categories considered increased by 5.4% in Toronto and by 2.5% in Vancouver.
Despite improvements in the volume of spots on children's specialty channels, children's exposure to food and beverage advertising has increased since the implementation of the CAI. The current self-regulatory system is failing to protect children from food marketing high in fat, sugar and sodium on television. Government regulation needs to be considered.
评估自加拿大儿童食品和饮料广告自律倡议(CAI)实施以来,儿童接触电视食品/饮料广告的情况是否发生了变化。
从尼尔森媒体研究公司购买了 2006 年 5 月、2009 年 5 月和 2011 年 5 月多伦多和温哥华广播市场的 11 种广告食品/饮料类别的数据(糖果、巧克力棒、饼干、便携小吃、奶酪、酸奶、麦片、果汁、软饮料、低糖软饮料和快餐)。2006 年 5 月、2009 年 5 月和 2011 年 5 月,确定了多伦多和温哥华 27 家电视台在 0600 小时至 1200 小时之间播出的广告数量,并计算了 2006 年 5 月至 2011 年 5 月期间所有电视台、儿童专业电视台和综合电视台的广告数量变化百分比。确定了 2006 年 5 月和 2009 年 5 月 2-11 岁儿童观看的食品/饮料广告的平均数量,并计算了变化百分比。
在儿童专业频道上,播出的总广告数量减少了 4.5%,而综合频道上的广告数量则增加了 44%(多伦多)和 45%(温哥华)。在所有电视台中,2006 年至 2009 年期间,多伦多儿童总平均食品/饮料广告接触量增加了 16.8%,温哥华增加了 6.4%。在两个城市,零食和酸奶的广告数量都有所增加,在多伦多,快餐的广告数量也有所增加。在儿童专业频道上,儿童对被认为是增加的食品/饮料类别的接触量在多伦多增加了 5.4%,在温哥华增加了 2.5%。
尽管儿童专业频道的广告数量有所增加,但自 CAI 实施以来,儿童接触食品和饮料广告的情况有所增加。目前的自律制度未能保护儿童免受电视高糖、高脂肪和高钠食品的营销影响。需要考虑政府监管。