High consumption of sugar-sweetened beverages (SSBs), which has been associated with weight gain and the development of non-communicable diseases including diabetes and poor oral health. Nutritional, Metabolic, Endocrine
Conditions
Interventions
Receipt of a given quantity of a carbonated cola sugar-sweetened beverage for consumption at home but sub-divided into bottles of one of four different sizes:
1. In 1500 millilitre bottles
2. In 1000
this will be fixed across all four intervention periods. This fixed volume will be determined with reference to the volume of cola households purchased during a two-week baseline period, as assessed b
Sponsors
University of Cambridge
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: Participating households will be of any size or composition. Households are defined as people who live together, who may or may not be related but who share all or most drink and food within the house. This includes households consisting of: 1. Single members 2. Couples (married or cohabitating) 3. Families with school age children 4. Single parents with dependent children 5. Families with extended family members living in the house (e.g. grandparents) Multi-occupancy households comprising non-related individuals are excluded. Inclusion criteria for participating households are as follows: 1. Purchase regular (not low sugar) Coca-Cola® or Pepsi Cola® at a minimum rate of two litres a week 2. Reside in or near to Cambridge, UK, within 10 miles of the research team base 3. Do not plan to be away from home for longer than seven days during the study period
Exclusion criteria
Exclusion criteria: 1. Households not located in Cambridge, UK 2. Households consuming less that two litres of cola per week 3. Households consuming cola brand other than Pepsi Cola® or Coca-Cola® or diet/sugar free versions of the included brands.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| This feasibility study is not powered to detect changes in outcome measures but to assess feasibility and acceptability of procedures planned for a full-scale trial. Feasibility outcomes: 1. Recruitment rates 2. Number of households discontinuing participation at follow-ups 3. Awareness of the study aim, assessed through i) questionnaire and ii) qualitative interviews 4. Practical problems associated with: 4.1. The randomisation procedure 4.2. Delivering the intervention 4.3. Collection of consumption-related data Acceptability outcomes assessed through qualitative interviews 1. Acceptability of the: 1.1. Interventions 1.2. Study procedures 1.3 Assessment procedures Other outcomes: 1. Characteristics of participating households, assessed through questionnaire: 1.1. Index of Multiple Deprivation scores (derived from postcodes) 1.2. Total household income 1.3. Household composition (number of adults; number of children) 1.4. Highest education qualification obtained by any person within the household 1.5. Gender of all household members 1.6. Age of all household members 2. Volume of cola in millilitres consumed by the household during each of the week-long intervention periods, measured: 2.1. Objectively, by recording the numbers of empty and remaining full bottles. The remaining volume of partly consumed bottles will be measured using a measuring jug. 2.2. Subjectively, through self-report via questionnaire | — |
Countries
United Kingdom
Contacts
Public ContactTheresa Marteau
Outcome results
None listed