Intervention to test the feasibility and effectiveness of sweetness preference reduction in relation to hot beverages

Pilot study of an intervention to test the feasibility and effectiveness of sweetness preference reduction in relation to hot beverages: the REduction of Sugar In tea STudy (RESIST)

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

ISRCTN

Registry ID

ISRCTN56753033

Enrollment

Registered

2016-12-14

Start date

2016-12-01

Completion date

Unknown

Last updated

2017-01-09

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

Conditions

Adolescent nutrition Nutritional, Metabolic, Endocrine

Interventions

All participants will be invited to complete a detailed baseline questionnaire on their current tea drinking behaviour, general drink and sweetness preferences. A subset will be asked to undergo an ob

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Adolescent (>18 years) 2. Student at UCL or other UK-based university 3. Consume sugar-sweetened tea daily

Exclusion criteria

Exclusion criteria: 1. Pregnancy 2. A diagnosis of diabetes (type 1 or 2)

Design outcomes

Primary

Measure	Time frame
1. Tea intake (number of cups of tea on a scale of 1-10), measured using an online questionnaire at baseline, at completion of the study and at the 1-month follow-up data collection wave 2. Liking of daily tea, measured on 9-point Likert scale using a smartphone app daily during the 1-month active intervention phase 3. % reduction of grams of sugar per cup of tea/per day (questionnaire-based data), measured using a smartphone app daily during the 4-week active intervention phase	—

Measure

Time frame

1. Tea intake (number of cups of tea on a scale of 1-10), measured using an online questionnaire at baseline, at completion of the study and at the 1-month follow-up data collection wave 2. Liking of daily tea, measured on 9-point Likert scale using a smartphone app daily during the 1-month active intervention phase 3. % reduction of grams of sugar per cup of tea/per day (questionnaire-based data), measured using a smartphone app daily during the 4-week active intervention phase

—

Secondary

Measure	Time frame
1. Drink preferences (9-point Likert scale) and drink Food Frequency Questionnaire (FFQ), measured using an online questionnaire at baseline, at completion of the study and at the 4-week follow-up data collection wave 2. What is consumed alongside with tea, measured using a smartphone app daily during the 4-week active intervention phase 3. Acceptability of the intervention, measured using a semi-structured qualitative interview post-intervention	—

Measure

Time frame

1. Drink preferences (9-point Likert scale) and drink Food Frequency Questionnaire (FFQ), measured using an online questionnaire at baseline, at completion of the study and at the 4-week follow-up data collection wave 2. What is consumed alongside with tea, measured using a smartphone app daily during the 4-week active intervention phase 3. Acceptability of the intervention, measured using a semi-structured qualitative interview post-intervention

—

Countries

United Kingdom

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Feb 4, 2026