Dietary AssessmentNCT06713954
Analysis of Dietary Intake in Professional Female Football Players
An observational study of Dietary Assessment, run by University Ramon Llull at 1 site in Spain.
Trial summary
This study evaluates the dietary intake of professional female footballers against nutritional guidelines, analysing differences by age, position, and location (UK vs Spain). Using a cross-sectional design, it will include 20-30 players per club from four clubs, aged 18+, collected via the Snap-N-Send method and… Read more about this study
- Who is it for?
- Ages 18 years and older, women onlyHealthy volunteers can take part
- Conditions the study is for
- Dietary Assessment
- What is being tested?
- Dietary assessment
- Type of treatment
- Lifestyle or therapy programme
- How many people
- 100 participants
- Where
- 1 siteSpain
- Study dates
- 2 Dec 2024to 1 Mar 2025
- Phase
- Observational
- Are there results?
- Not yet: the study is under way
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 18 years and older
- Women only
- Healthy volunteers accepted
- Adult, Older adult
Study population: * Age= * 18-24 years of age * 25-31 years of age * Playing position= * Defenders: Centre-backs, fullbacks, wingbacks, goalkeepers * Midfielders: Central midfielders, attacking midfielders, defensive midfielders * Wingers: Left wingers and right wingers * Forwards: Strikers and centre-forwards * Country= * England * Spain
Who may be able to join
- Female or assigned female at birth
- Playing football professionally
- At a sub-elite to elite standard
- Above the age of 18
- Healthy and free of disease
Who cannot join
- Active supplementation with ergogenic aids
- Active pregnancy
- No signing of the consent form
Trial locations and contacts
1 site in 1 country. Contact the study team or a site near you to ask about taking part.
Spain1 site, 1 recruiting
- Recruiting
Blanquerna Institute, Universitat Ramon Llull
Barcelona, 08010
Olivia C. Coope, +34932533256, oliviacharlottec@blanquerna.url.edu
About this study
Official title: Analysis of Dietary Intake in Professional Female Football Players: Variations According to Playing Position, Age, and Country
This study evaluates the dietary intake of professional female footballers against nutritional guidelines, analysing differences by age, position, and location (UK vs Spain). Using a cross-sectional design, it will include 20-30 players per club from four clubs, aged 18+, collected via the Snap-N-Send method and analysed with Nutritics software. Variables include energy intake, macronutrients, and micronutrients, with data assessed using MANOVA, t-tests, and Shapiro-Wilk tests. The aim is to determine dietary adequacy and provide insights to improve nutrition education and wellbeing for female athletes.
Read the detailed description
The aim of this research is to evaluate the dietary intake of female footballers against established nutritional guidelines, while analysing the variables of age, playing position and location to identify if there is a difference in intake across the groups. The study will employ an observational, descriptive, and cross-sectional research design, focusing on female footballers from professional clubs, specifically two clubs in United Kingdom and two clubs in Spain. There is an anticipated sample size of 20 to 30 participants from each club. Inclusion criteria will be female participants who are professional footballers, aged 18 and older and free of disease. Dependent variables from dietary intake will include energy intake (kcal), energy availability (kcal/kg fat free mass/day), protein (g/day), carbohydrates (g/day), fat (%), vitamin D (mg/day), calcium (mg/day) and iron (mg/day). These will be collected using the scientifically valid Snap-N-Send method and analysed with Nutritics dietary analysis software, which has been validated for assessing macronutrients and micronutrients. Independent variables will consist of age groups, playing positions, and country of origin (England or Spain). Dietary intake will be recorded through WhatsApp, with subsequent data entry and storage in Nutritics. Statistical analyses will include MANOVA, used to compare dietary data among groups, one-sample t-test to test against published recommendations and the Shapiro-Wilk test to assess normality in data distribution. This study aims to assess the adequacy of the players' dietary intake in relation to established nutritional recommendations from different backgrounds and characteristics. Furthermore, practitioners can potentially make informed decisions that improve the nutrition education given to female athletes, which contributes to their overall health and wellbeing.
- Conditions
- Dietary Assessment
- Being tested
- Dietary assessment
- Keywords
- athlete, female, diet
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
Dietary assessmentBehavioural
Dietary intake data will be collected using the Snap-N-Send method, a tool with enhanced validity for assessing athlete total energy intake, where participants will take photographs of their meals and share them via WhatsApp directly with the researcher. Before the study commences, participants will receive standardised instructions on photographing food and adding details in the message such as title, portion sizes and ingredients alongside each photo to enhance data precision. The principal investigator will input these photographs with the added information into Nutritics dietary analysis software, where food weights, portion sizes, and nutritional content will be estimated and calculated. Nutritics will then calculate dependent variables and convert it into a food diary report, aggregating the three days of food diary into average intake.
| Study group | Role | What they receive |
|---|---|---|
| Female footballers | Female footballers of varying ages, playing positions and countries Receives: Behavioral: Dietary assessment |
What is being measured
The primary outcome is the main question the study is designed to answer.
Carbohydrates
Amount of carbohydrates in grams from an average of 3 days
Measured: From enrollment to the end of assessment of 3 days
Energy intake
Average of energy intake in calories over 3 days
Measured: From enrollment to the end of assessment of 3 days
Protein
Average of protein in grams over 3 days
Measured: From enrollment to the end of assessment of 3 days
Fat
Average of percentage of fat over 3 days
Measured: From enrollment to the end of assessment of 3 days
Energy availability
Energy availability will be calculated by estimating fat-free mass (FFM) through the Boer equation, which uses weight and height. The formula for females is FFM (kg) = 0.252 × Weight (kg) + 0.473 × Height (cm) - 48.3. Total energy intake (TEI) will be determined from average daily calorie intake. Exercise energy expenditure (EEE) will be estimated based on activity duration and MET values using the Compendium of Physical Activities (Ainsworth et al., 2011). The resulting EA will be calculated using the formula: EA = (TEI - EEE) / FFM. The outcome will be an average of kcal/kg fat free mass/day over 3 days
Measured: From enrollment to the end of assessment of 3 days
Secondary outcomes (3)
Calcium
Average of calcium intake in milligrams over 3 days
Measured: From enrollment to the end of assessment of 3 days
Vitamin D
Estimation of average of Vitamin D in micrograms over 3 days
Measured: From enrollment to the end of assessment of 3 days
Iron
Average of iron intake in milligrams over 3 days
Measured: From enrollment to the end of assessment of 3 days
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted3 Dec 2024
- Study start2 Dec 2024
- Primary completion1 Feb 2025 (estimated)
- Study completion1 Mar 2025 (estimated)
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for Dietary AssessmentStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Observational
- Observational model
- Cohort
- Time perspective
- Cross-sectional
- Enrolment
- 100 participants (estimated)
Sponsor and investigators
- Lead sponsor
- University Ramon Llull
- Sponsor type
- University, hospital or other
- Responsible party
- Principal investigator, Blanca Roman-Viñas, MD, University Ramon Llull
- Investigators
- Blanca Roman Viñas, PhD, Principal investigator, Universitat Ramon Llull
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT06713954
- Sponsor's protocol ID
- 27-11-24
- Status last verified
- Dec 2024
- First submitted
- 27 Nov 2024
- Last updated
- 6 Dec 2024
- Results posted
- No
- Data monitoring committee
- No
- FDA-regulated drug
- No
- FDA-regulated device
- No
- Individual data sharing
- Yes
Study at a glance
From the registry record, last updated by the sponsor on 6 Dec 2024. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Analysis of Dietary Intake in Professional Female Football Players: Variations According to Playing Position, Age, and Country
- ClinicalTrials.gov ID
- NCT06713954
- Acronym / sponsor ID
- 27-11-24
- Conditions
- Dietary Assessment
- Keywords
- athlete, female, diet
- Study type
- Observational
- Recruitment status
- Recruiting
- Enrolment
- 100 participants (estimated)
- Lead sponsor
- University Ramon LlullUniversity, hospital or other
- Study start
- 2 Dec 2024 (actual)
- Primary completion
- 1 Feb 2025 (estimated)
- Study completion
- 1 Mar 2025 (estimated)
- First posted
- 3 Dec 2024 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
This study evaluates the dietary intake of professional female footballers against nutritional guidelines, analysing differences by age, position, and location (UK vs Spain). Using a cross-sectional design, it will include 20-30 players per club from four clubs, aged 18+, collected via the Snap-N-Send method and analysed with Nutritics software. Variables include energy intake, macronutrients, and micronutrients, with data assessed using MANOVA, t-tests, and Shapiro-Wilk tests. The aim is to determine dietary adequacy and provide insights to improve nutrition education and wellbeing for female athletes.
Detailed description
The aim of this research is to evaluate the dietary intake of female footballers against established nutritional guidelines, while analysing the variables of age, playing position and location to identify if there is a difference in intake across the groups. The study will employ an observational, descriptive, and cross-sectional research design, focusing on female footballers from professional clubs, specifically two clubs in United Kingdom and two clubs in Spain. There is an anticipated sample size of 20 to 30 participants from each club. Inclusion criteria will be female participants who are professional footballers, aged 18 and older and free of disease. Dependent variables from dietary intake will include energy intake (kcal), energy availability (kcal/kg fat free mass/day), protein (g/day), carbohydrates (g/day), fat (%), vitamin D (mg/day), calcium (mg/day) and iron (mg/day). These will be collected using the scientifically valid Snap-N-Send method and analysed with Nutritics dietary analysis software, which has been validated for assessing macronutrients and micronutrients. Independent variables will consist of age groups, playing positions, and country of origin (England or Spain). Dietary intake will be recorded through WhatsApp, with subsequent data entry and storage in Nutritics. Statistical analyses will include MANOVA, used to compare dietary data among groups, one-sample t-test to test against published recommendations and the Shapiro-Wilk test to assess normality in data distribution. This study aims to assess the adequacy of the players' dietary intake in relation to established nutritional recommendations from different backgrounds and characteristics. Furthermore, practitioners can potentially make informed decisions that improve the nutrition education given to female athletes, which contributes to their overall health and wellbeing.
Study design
- Observational model
- Cohort
- Time perspective
- Cross-sectional
- Number of arms
- 1
| Arm | Type | Receives |
|---|---|---|
| Female footballers | – | Behavioral: Dietary assessmentFemale footballers of varying ages, playing positions and countries |
Who may qualify
- Ages
- 18 years and older
- Sex
- Female only
- Healthy volunteers
- Accepted
- Age groups
- Adult, Older adult
- Study population
- * Age= * 18-24 years of age * 25-31 years of age * Playing position= * Defenders: Centre-backs, fullbacks, wingbacks, goalkeepers * Midfielders: Central midfielders, attacking midfielders, defensive midfielders * Wingers: Left wingers and right wingers * Forwards: Strikers and centre-forwards * Country= * England * Spain
Key inclusion criteria (5 listed)
- Female or assigned female at birth
- Playing football professionally
- At a sub-elite to elite standard
- Above the age of 18
- Healthy and free of disease
Key exclusion criteria (3 listed)
- Active supplementation with ergogenic aids
- Active pregnancy
- No signing of the consent form
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| Dietary assessmentDietary intake data will be collected using the Snap-N-Send method, a tool with enhanced validity for assessing athlete total energy intake, where participants will take photographs of their meals and share them via WhatsApp directly with the researcher. Before the study commences, participants will receive standardised instructions on photographing food and adding details in the message such as title, portion sizes and ingredients alongside each photo to enhance data precision. The principal investigator will input these photographs with the added information into Nutritics dietary analysis software, where food weights, portion sizes, and nutritional content will be estimated and calculated. Nutritics will then calculate dependent variables and convert it into a food diary report, aggregating the three days of food diary into average intake. | Behavioural | Female footballers |
Primary outcome
Carbohydrates
Time frame: From enrollment to the end of assessment of 3 days
Amount of carbohydrates in grams from an average of 3 days
Energy intake
Time frame: From enrollment to the end of assessment of 3 days
Average of energy intake in calories over 3 days
Protein
Time frame: From enrollment to the end of assessment of 3 days
Average of protein in grams over 3 days
Fat
Time frame: From enrollment to the end of assessment of 3 days
Average of percentage of fat over 3 days
Energy availability
Time frame: From enrollment to the end of assessment of 3 days
Energy availability will be calculated by estimating fat-free mass (FFM) through the Boer equation, which uses weight and height. The formula for females is FFM (kg) = 0.252 × Weight (kg) + 0.473 × Height (cm) - 48.3. Total energy intake (TEI) will be determined from average daily calorie intake. Exercise energy expenditure (EEE) will be estimated based on activity duration and MET values using the Compendium of Physical Activities (Ainsworth et al., 2011). The resulting EA will be calculated using the formula: EA = (TEI - EEE) / FFM. The outcome will be an average of kcal/kg fat free mass/day over 3 days
3 secondary outcomes
Calcium
Time frame: From enrollment to the end of assessment of 3 days
Vitamin D
Time frame: From enrollment to the end of assessment of 3 days
Iron
Time frame: From enrollment to the end of assessment of 3 days
Results and safety
This study is still under way. Results are not available in the source record yet.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 6 Dec 2024.
- Individual participant dataSharing planned: Yes
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part.
Blanca Roman Viñas, PhD principal investigator
Universitat Ramon Llull
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
An observational study of Dietary Assessment, run by University Ramon Llull at 1 site in Spain.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 5 inclusion and 3 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: looking for participants now, as of the sponsor's last update on 6 Dec 2024. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in Spain. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
This study is still under way. Results are not available in the source record yet.
How can a doctor refer a patient or contact the research team?
Contact Olivia C. Coope (+34932533256, oliviacharlottec@blanquerna.url.edu+34932533256), or a site near the patient. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Carbohydrates (time frame: From enrollment to the end of assessment of 3 days). The study lists 5 primary outcomes in all. It is what the study was designed to measure, not a finding.
Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 6 Dec 2024.