Diet RecordsNCT01408784
A New Method for Self-assessment of Daily Calorie Intake
An observational study of Diet Records and Caloric Restriction, run by Assuta Hospital Systems at 1 site in Israel.
Trial summary
The purpose of this study is to assess the validity of self-caloric evaluation, the "categories method" - a new method based on one categorical score per meal Read more about this study
- Who is it for?
- Ages 21 to 65 yearsHealthy volunteers can take part
- Conditions the study is for
- Diet Records, Caloric Restriction
- How many people
- 135 participants
- Where
- 1 siteIsrael
- Study dates
- Jul 2011to Jul 2012
- Phase
- Observational
- Are there results?
- None posted in the registry
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 21 to 65 years
- All sexes
- Healthy volunteers accepted
- Adult, Older adult
Study population: Community sample
Who may be able to join
- Ages 21-65
- Body mass index (BMI) between 20-45 kg/m2
- Workers of Maccabi Healthcare Services
- Members of Maccabi Healthcare Services
Who cannot join
- -Clinical dietitians / Nutritionists
Trial locations and contacts
1 site in 1 country.
Israel1 site, 1 recruiting
- Recruiting
Maccabi Healthcare Services
Tel Aviv
Tzachi Knaan, M.Sc RD, 972.522.785.274, knaan@inter.net.il
Tzachi Knaan, M.Sc RD
About this study
Official title: Evaluating the Validity of the "Categories" Method: a New Method for Self-report Assessment of Daily Calorie Intake
The purpose of this study is to assess the validity of self-caloric evaluation, the "categories method" - a new method based on one categorical score per meal
Read the detailed description
Weight loss is mainly a result of reduction in daily caloric intake. Hence many people are interested in counting and tracking their daily caloric intake but In fact only 9% of people in the USA can accurately estimate the number of calories they eat (International Food Information Council Foundation, May 2011)
According to the well-known method the investigators need to know the caloric value of each and every component our dish or meal. For example: a Breakfast that contains a glass of orange juice, a small bagel, spread with cream cheese shall be calculated as : orange juice 90 kcal + bagel 192 kcal +cream cheese 98 kcal=total 380 kcal.
This method is very complicated, especially when the investigators need to calculate a dish that its ingredients are not straightforward such as: Cob salad or Shepherd's pie, Even a slice of pizza, it is very difficult to estimate the fat, carbohydrate or protein a piece of pie contains let alone the caloric volume.
The investigators proposed a new method called "The categories method": a single categorical estimation per meal based on a set of five categories:
Category 1 less than 200 kcal, Category 2 200-500 kcal, Category 3 501-800 kcal, Category 4 801-1200 kcal, Category 5 above 1200 kcal
After choosing the category the investigators use an average of the category (e.g., category 3: 500-800 Avg = 650 kcal). Using the same Breakfast description as above: this meal will be considered as category No. 2 (200-500 Kcal), and chicken and rice at the restaurant will considered as a category 4 (800-1200 Kcal).
This method simplifies the process of counting calories, especially with assembled or cooked meal, it makes it easier to track any given meal even to those how are not so familiar with the caloric value of a product.
Research protocol:Participates will interviewed face to face on 1 occasion to obtain 24 hours recall using 4 pass method include 1. Quick review of the meals. 2. Food items that may be forgotten 3. Time and place of each meal 4. Assessment of food quantities and dimensions using a photograph published by the Israeli Ministry
This method is implemented with U.S. Department of Agriculture (USDA) as part of nutritional surveys and is used for "MBT" Survey of the Israeli Ministry of Health
Using "Tzameret" software system (food composition program of the Israeli Ministry of Health) The investigators will input the 24HR recall food list and quantity to calculate caloric values for every meal and the total calorie intake.
Using the "Categories Method" the investigators will calculate the caloric value of a meal by giving the average value of each category (record in parentheses).
Finally, reliability of the "categories method" compare with the 24HR recall will statistically calculated.
- Conditions
- Diet Records, Caloric Restriction
- Keywords
- calories, counting, obesity, overweight, categories, calorie, method, counting calories, lose weight, diet, energy balance, energy intake, 24 hours recall, food intake
- Medical subject headings
- Obesity, Overweight, Weight Loss
What is being measured
The primary outcome is the main question the study is designed to answer.
Total Calorie intake using "categories method"
Sum of every meal (the average)
Measured: 30-45 minutes
Secondary outcomes (1)
Total calories per meal using "categories method"
Average of a category
Measured: 30-45 minutes
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted3 Aug 2011 (estimated)
- Study startJul 2011
- Primary completionJul 2012 (estimated)
- Study completionJul 2012 (estimated)
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for Diet RecordsStudies 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
- Case only
- Time perspective
- Cross-sectional
- Enrolment
- 135 participants (estimated)
Sponsor and investigators
- Lead sponsor
- Assuta Hospital Systems
- Sponsor type
- University, hospital or other
- Collaborators
- Maccabi Healthcare Services, Israel, Rabin Medical Center
- Investigators
- Orit Klinger, MD, Principal investigator, Maccabi Healthcare Services, Israel
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT01408784
- Sponsor's protocol ID
- 172011
- Status last verified
- Jul 2011
- First submitted
- 2 Aug 2011
- Last updated
- 1 May 2012
- Results posted
- No
- Data monitoring committee
- Yes
Study at a glance
From the registry record, last updated by the sponsor on 1 May 2012. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Evaluating the Validity of the "Categories" Method: a New Method for Self-report Assessment of Daily Calorie Intake
- ClinicalTrials.gov ID
- NCT01408784
- Acronym / sponsor ID
- 172011
- Conditions
- Diet Records, Caloric Restriction
- Keywords
- calories, counting, obesity, overweight, categories, calorie, method, counting calories
- Study type
- Observational
- Recruitment status
- Unknown status
- Enrolment
- 135 participants (estimated)
- Lead sponsor
- Assuta Hospital SystemsUniversity, hospital or other
- Collaborators
- Maccabi Healthcare Services, Israel, Rabin Medical Center
- Study start
- Jul 2011
- Primary completion
- Jul 2012 (estimated)
- Study completion
- Jul 2012 (estimated)
- First posted
- 3 Aug 2011 (estimated)
- 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.
The purpose of this study is to assess the validity of self-caloric evaluation, the "categories method" - a new method based on one categorical score per meal
Detailed description
Weight loss is mainly a result of reduction in daily caloric intake. Hence many people are interested in counting and tracking their daily caloric intake but In fact only 9% of people in the USA can accurately estimate the number of calories they eat (International Food Information Council Foundation, May 2011)
According to the well-known method the investigators need to know the caloric value of each and every component our dish or meal. For example: a Breakfast that contains a glass of orange juice, a small bagel, spread with cream cheese shall be calculated as : orange juice 90 kcal + bagel 192 kcal +cream cheese 98 kcal=total 380 kcal.
This method is very complicated, especially when the investigators need to calculate a dish that its ingredients are not straightforward such as: Cob salad or Shepherd's pie, Even a slice of pizza, it is very difficult to estimate the fat, carbohydrate or protein a piece of pie contains let alone the caloric volume.
The investigators proposed a new method called "The categories method": a single categorical estimation per meal based on a set of five categories:
Category 1 less than 200 kcal, Category 2 200-500 kcal, Category 3 501-800 kcal, Category 4 801-1200 kcal, Category 5 above 1200 kcal
After choosing the category the investigators use an average of the category (e.g., category 3: 500-800 Avg = 650 kcal). Using the same Breakfast description as above: this meal will be considered as category No. 2 (200-500 Kcal), and chicken and rice at the restaurant will considered as a category 4 (800-1200 Kcal).
This method simplifies the process of counting calories, especially with assembled or cooked meal, it makes it easier to track any given meal even to those how are not so familiar with the caloric value of a product.
Research protocol:Participates will interviewed face to face on 1 occasion to obtain 24 hours recall using 4 pass method include 1. Quick review of the meals. 2. Food items that may be forgotten 3. Time and place of each meal 4. Assessment of food quantities and dimensions using a photograph published by the Israeli Ministry
This method is implemented with U.S. Department of Agriculture (USDA) as part of nutritional surveys and is used for "MBT" Survey of the Israeli Ministry of Health
Using "Tzameret" software system (food composition program of the Israeli Ministry of Health) The investigators will input the 24HR recall food list and quantity to calculate caloric values for every meal and the total calorie intake.
Using the "Categories Method" the investigators will calculate the caloric value of a meal by giving the average value of each category (record in parentheses).
Finally, reliability of the "categories method" compare with the 24HR recall will statistically calculated.
Study design
- Observational model
- Case only
- Time perspective
- Cross-sectional
Who may qualify
- Ages
- 21 to 65 years
- Sex
- All
- Healthy volunteers
- Accepted
- Age groups
- Adult, Older adult
- Study population
- Community sample
Key inclusion criteria (4 listed)
- Ages 21-65
- Body mass index (BMI) between 20-45 kg/m2
- Workers of Maccabi Healthcare Services
- Members of Maccabi Healthcare Services
Key exclusion criteria (1 listed)
- -Clinical dietitians / Nutritionists
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Primary outcome
Total Calorie intake using "categories method"
Time frame: 30-45 minutes
Sum of every meal (the average)
1 secondary outcome
Total calories per meal using "categories method"
Time frame: 30-45 minutes
Results and safety
Results are not available in the source record.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 1 May 2012.
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. This study is not recruiting at the moment.
Orit Klinger, MD principal investigator
Maccabi Healthcare Services, Israel
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 Diet Records and Caloric Restriction, run by Assuta Hospital Systems at 1 site in Israel.
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 4 inclusion and 1 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: status not confirmed, as of the sponsor's last update on 1 May 2012. 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 Israel. 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?
Results are not available in the source record.
How can a doctor refer a patient or contact the research team?
Contact Tzachi Knaan, M.Sc RD (972.522.785.274, knaan@inter.net.il), or a site near the patient. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Total Calorie intake using "categories method" (time frame: 30-45 minutes). 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 1 May 2012; AzTrials last refreshed its copy on 7 Nov 2026.