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Completed

NCT Number: NCT04252898

Impact of a Front-of-pack Nutrition Labelling on Food Purchases in Contract Catering

This controlled trial investigates the impact of the implementation of a front-of-pack nutrition label, namely Nutri-Score, on foods and beverages sold in a contract catering in France on the nutritional quality of purchases.

Completed

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Key information

Conditions

Food Labeling

Age range

18 year and older

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Primary location

Equipe de Recherche en Epidémiologie Nutritionnelle

Bobigny, 93017, France

About this study

The introduction of front-of-pack nutrition labelling is thought to help consumers making healthier food choices at the point-of-purchase. In 2017, the French government has selected the Nutri-Score as single front-of-pack nutrition label to be applied on food products sold in French supermarkets, on a voluntary basis.

Some studies have found that the Nutri-Score would help consumers making healthier choices. Nevertheless, its impact has been demonstrated in experimental supermarkets and its implementation only concerns products sold in groceries and supermarkets, as it is stated in the official decree. The potential impact of the Nutri-Score in contract catering remains unknown, while this sector represents a growing share of out-of-home catering and that the promotion of the Nutri-Score in this sector is now part of the National Public Health Plan.

Thus, the objective of the present study is to investigate the impact of the implementation of the Nutri-Score in contract catering restaurants on the nutritional quality of food purchases. The trial will be conducted using a quasi experimental before/after design with a comparison group. Data on purchases will be collected regularly through receipts, and the nutritional quality of purchases will be evaluated over time on two pairs of sites. In each pair of sites, one site will receive an intervention (Nutri-Score) and one site will be a control site. Within each pair, the sites will be comparable in terms of food offer and consumers profile.

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • all individuals purchasing in the contract catering restaurants will be included.

Exclusion criteria

  • No

Treatment and study plan

Front-of-pack nutrition label Nutri-Score

Behavioral

The intervention consists of displaying the Nutri-Score on dishes and pre-packed foods.

Primary outcomes

  1. Change in the overall nutritional quality of purchases over time

    Time frame: Through study completion, an average of 6 months

    Score using the Food Standards Agency nutrient profiling system modified by the HCSP, allocating points depending on the amounts in unfavourable elements (energy, saturates, sugars, sodium) and favorable elements (fibres, proteins and fruits, vegetables, nuts and oils (olive, colza, nuts))

Secondary outcomes

  1. Change in energy content of purchases

    Time frame: Through study completion, an average of 6 months

    Energy content of the purchases in kcal / 100g

  2. Change in Saturated fat content of purchases

    Time frame: Through study completion, an average of 6 months

    Saturated fat content of the purchases in g / 100g

  3. Change in Sugar content of purchases

    Time frame: Through study completion, an average of 6 months

    Sugar content of the purchases in g / 100g

  4. Change in Sodium content of purchases

    Time frame: Through study completion, an average of 6 months

    Sodium content of the purchases in mg / 100g

  5. Change in Protein content of purchases

    Time frame: Through study completion, an average of 6 months

    Protein content of the purchases in g / 100g

  6. Change in Fibre content of purchases

    Time frame: Through study completion, an average of 6 months

    Fibre content of the purchases in g / 100g

  7. Change in Fruit, vegetable and nut content of purchases

    Time frame: Through study completion, an average of 6 months

    Fruit, vegetable and nut content of the purchases in % / 100g

Sponsors and collaborators

Lead sponsor

University of Paris 13

Other

Collaborators

  • ELIOR GESTION

Registry information

Official study title

Impact of a Front-of-pack Nutrition Labelling on the Nutritional Quality of Purchases of Customers in Contract Catering - a Controlled Trial

Important dates

Study start
2019
Primary completion
2020
Study completion
2020
First posted
Feb 5, 2020
Registry last updated
Aug 6, 2021

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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