Prompting healthier snack choices in Scottish hospitals

Enabling healthier snack choices in hospital shops and cafes: a randomised controlled trial of a cognitively informed point-of-purchase prompt (PPP)

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

ISRCTN

Registry ID

ISRCTN90365793

Enrollment

Registered

2019-10-08

Start date

2019-01-01

Completion date

Unknown

Last updated

2020-07-20

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

Conditions

The promotion of general good health through promotion of healthy food choices Not Applicable

Interventions

Food retail units (n=30) located in hospitals across Scotland were classified according to their annual revenue (3 levels: low, medium, high) and randomised to intervention or control (1:1) using bloc

Gollwitzer, 1999) reducing the need for advance planning of appropriate actions in the light of current goals. Third, the layout and use of arrows capitalises on peoples’ tendency to show attentional

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Retail units: 1. Based within a hospital in Scotland 2. Accessible to staff, patients and the general public 3. Selling snack foods and able/willing to make itemised purchasing data available

Exclusion criteria

Exclusion criteria: Does not meet inclusion criteria

Design outcomes

Primary

Measure	Time frame
1. Average calorie content per single-serve snack item purchased (in kcal derived from pack/supplier information) during the baseline period (the 12 weeks prior to the introduction of the intervention) and a follow-up period (the 12 weeks following the introduction of the intervention) 2. Average fat content per single-serve snack item purchased (in g derived from pack/supplier information) during the baseline period (the 12 weeks prior to the introduction of the intervention) and a follow-up period (the 12 weeks following the introduction of the intervention) 3. Average sugar content per single-serve snack item purchased (in g derived from pack/supplier information) during the baseline period (the 12 weeks prior to the introduction of the intervention) and a follow-up period (the 12 weeks following the introduction of the intervention)	—

Measure

Time frame

1. Average calorie content per single-serve snack item purchased (in kcal derived from pack/supplier information) during the baseline period (the 12 weeks prior to the introduction of the intervention) and a follow-up period (the 12 weeks following the introduction of the intervention) 2. Average fat content per single-serve snack item purchased (in g derived from pack/supplier information) during the baseline period (the 12 weeks prior to the introduction of the intervention) and a follow-up period (the 12 weeks following the introduction of the intervention) 3. Average sugar content per single-serve snack item purchased (in g derived from pack/supplier information) during the baseline period (the 12 weeks prior to the introduction of the intervention) and a follow-up period (the 12 weeks following the introduction of the intervention)

—

Secondary

Measure	Time frame
1. Average customer spend per single-serve snack item purchased (in GBP) was collected from retail purchase data during the baseline period (the 12 weeks prior to the introduction of the intervention) and the follow-up period (the 12 weeks following the introduction of the intervention) 2. Total number of single-serve snack items purchased was collected from retail purchase data during the baseline period (the 12 weeks prior to the introduction of the intervention) and the follow-up period (the 12 weeks following the introduction of the intervention)	—

Measure

Time frame

1. Average customer spend per single-serve snack item purchased (in GBP) was collected from retail purchase data during the baseline period (the 12 weeks prior to the introduction of the intervention) and the follow-up period (the 12 weeks following the introduction of the intervention) 2. Total number of single-serve snack items purchased was collected from retail purchase data during the baseline period (the 12 weeks prior to the introduction of the intervention) and the follow-up period (the 12 weeks following the introduction of the intervention)

—

Countries

United Kingdom

Contacts

Public ContactJulia Allan

j.allan@abdn.ac.uk+44 (0)1224 438103

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Feb 26, 2026