Does size of wine glasses impact on wine sales? A replication study in bars serving 250ml portions

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

ISRCTN

Registry ID

ISRCTN39401124

Enrollment

Registered

2018-05-11

Start date

2018-04-10

Completion date

Unknown

Last updated

2019-08-26

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

Conditions

Alcohol consumption Not Applicable

Interventions

The size of the wine glass in which all portions of wine served in the restaurant will be altered over fortnightly periods. Portion size will not be altered. Three different wine glass sizes will be u

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Two bars in Cambridge, UK. One of these bars has previously participated in a study following the same study design, and the other bar is part of the same chain of bars.

Exclusion criteria

Exclusion criteria: Does not meet inclusion criteria

Design outcomes

Primary

Measure	Time frame
Daily volume (ml) of wine purchased throughout the 18 weeks of the study, obtained from the bars' till records	—

Secondary

Measure	Time frame
No secondary outcome measures	—

Countries

United Kingdom

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Mar 2, 2026