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A cluster randomised controlled trial of a lunchbox template, designed to improve the content of lunchboxes in primary school children in the UK

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ISRCTN
Registry ID
ISRCTN77710993
Enrollment
600
Registered
2007-09-27
Start date
2006-06-01
Completion date
Unknown
Last updated
2015-01-13

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Nutrition Nutritional, Metabolic, Endocrine Nutrition

Interventions

Randomisation: The schools in England were stratified to tertiles according to the percentage of pupils in the school eligible for free school meals, and quintiles according to the key stage 2 Standar

Sponsors

Food Standards Agency (UK)
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: All primary schools in England, Wales, Scotland and Northern Ireland were eligible for inclusion in the study, All children in Year 4 (8 to 9 years old) of participating schools who bring in a packed lunch were eligible for inclusion in the study.

Exclusion criteria

Exclusion criteria: Primary schools involved in another healthy eating study (the evaluation of the National School Fruit Scheme).

Design outcomes

Primary

MeasureTime frame
1. Nutritional and food based measurements indicating improvements in the contents of lunch boxes 2. Levels of macronutrients: 2.1. Fat 2.2. Sugar 2.3. Energy 2.4. Protein 2.5. Sodium 3. Food types (e.g. sandwiches, savoury snacks, confectionery, dairy) The outcomes above will be assessed by the following: 1. A questionnaire in June 2006 (baseline) and an identical follow up questionnaire repeated in June 2007 2. All food in the lunch box was weighed before and after lunch to measure the amount of food consumed and left over

Secondary

MeasureTime frame
Micronutrients (e.g. iron, zinc, vitamin A) assessed by: 1. Weighing each food item in the lunch box before and after lunch to measure the amount of food consumed and left over, as for primary outcome measures 2. Questionnaire in June 2006 (baseline) and an identical follow up questionnaire repeated in June 2007, as for primary outcome measures

Countries

United Kingdom

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Mar 31, 2026