Children’s food products provide poor nutritional quality

Nine out of ten regular food items aimed specifically at children have a poor nutritional content ? because of high levels of sugar, fat or sodium – according to a detailed study of 367 products published in the July issue of the UK-based journal Obesity Reviews.

Just under 70% of the products studied – which specifically excluded confectionery, soft drinks and bakery items – derived a high proportion of calories from sugar. Approximately one in five (23%) had high fat levels and 17% had high sodium levels. Despite this, 62% of the foods with poor nutritional quality (PNQ) made positive claims about their nutritional value on the front of the packet.

“Children’s foods can now be found in virtually every section of the supermarket and are available for every eating experience” says Professor Charlene Elliott from the University of Calgary, Canada, and a Trustee of the Canadian Council of Food and Nutrition.

“Parents may have questions about which packaged foods are good for their children. Yet certain nutritional claims may add to the confusion, as they can mislead people into thinking the whole product is nutritious.”

Only 11% of the products Professor Elliott and her colleagues evaluated provided good nutritional value in line with the criteria laid down by the US-based Center for Science in the Public Interest (CSPI), a non-profit agency that received the Food and Drug Administration’s highest honour in 2007.

The CSPI nutritional standards state that healthy food should not derive more than 35% of its calories from fat (excluding nuts and seed and nut butters) and should have no more than 35% added sugar by weight. They also provide guidance on sodium levels, ranging from 230mg per portion for snacks through to 770mg per portion for pre-prepared meals.

CSPI’s standards are adapted from those developed by the National Alliance for Nutrition and Activity, a coalition of some 300 health and nutrition organisations in the USA. The organisation states that its standards represent a compromise approach. They allow for the marketing of products that may not be nutritionally ideal, but that provide some positive nutritional benefits that could help children meet the US Government’s Dietary Guidelines for Americans.

The 367 products included in the study were bought from a national supermarket chain stocking 50,000 food and non-food items in December 2005. Each had to meet very specific criteria.

“We included food products and packaging that were presented in such a way that children were the clear target audience” explains Professor Elliott, whose research was funded by the Canadian Institutes of Health Research. “They included products that promoted fun and play, had a cartoon image on the front of the box or were linked to children’s films, TV programmes and merchandise.”

Each product was subjected to a 36-point analysis that included the nutritional content and how the packaging was designed to appeal to children and their parents.

Key findings included:

– 63% of all the products surveyed made some sort of nutritional claim, including 62% of the products that could be classed as poorly nutritious, due to high levels of sugar or fat or sodium. A low percentage (8%) carried some kind of nutrition mark or seal. Other claims included that products were low fat, a source of calcium, contained no artificial flavours or colours or provided a number of essential nutrients.

– Products with high sugar levels accounted for 70% of the goods with PNQ. Despite this, 68% included some sort of nutritional claim on the package, such as a source of whole grains, source of iron or low in fat. Cereals and fruit snacks were particularly likely to make nutritional claims and have high levels of sugar.

– Just under 23% of the products had PNQ because of their high fat content. Yet 37% had some sort of nutritional claim on the package. For example peanut butter mixed with chocolate claimed to be a “source of six essential nutrients” and a pizza product claimed to be a “source of calcium”.

– High sodium levels meant that 17% of the products analysed were classified as being of PNQ. Despite this, almost 34% made some sort of nutritional claim on the package. Crackers and pizza products were among the worst offenders.

– A fifth of the products featured a cartoon image engaged in some sort of healthy physical activity on the front and a quarter showed these on the back or side of the box. Activities included skateboarding, basketball and biking.

Assessing ‘fun foods’: nutritional content and analysis of supermarket foods targeted at children. Elliott C. Obesity Reviews. 9.43, pp 368-377 (July 2008).

Source: Obesity Reviews, UK



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