Glycemic Index/ Load and Mental Disorders

February 7, 2015 updated by: Leila Azadbakht, Isfahan University of Medical Sciences

Glycemic Index, Glycemic Load and Common Psychological Disorders

A total of 300 adults would be included in the present cross-sectional study. glycemic index (GI) and glycemic load (GL) would be assessed by using a validated self-administered dish-based semi-quantitative food frequency questionnaire. Validated Iranian versions of Hospital Anxiety and Depression Scale and General Health Questionnaire-12 would be used to assess anxiety, depression and psychological distress.

Study Overview

Status

Unknown

Conditions

Intervention / Treatment

Detailed Description

Frequency of 5 food groups will be asked in dish-based semi-quantitative food frequency questionnaire and they would be converted to grams. GI and GL will be estimated by using international table of GI and GL.

Validated Iranian versions of Hospital Anxiety and Depression Scale and General Health Questionnaire (GHQ)-12 were used to assess anxiety, depression and psychological distress.

Possible score range for anxiety and depression is from 0 to 21. Scores of 8 or higher on either section were considered as the presence of anxiety or depression and scores of 7 or less were considered as normal status. In the present study, participants who got scores of 4 or more from GHQ were considered to have psychological distress.

Study Type

Observational

Enrollment (Anticipated)

3000

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years to 75 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Sampling Method

Probability Sample

Study Population

non-academic staff of Isfahan University of Medical Sciences (IUMS), Isfahan, Iran, who were working in hospitals, university campus and health centers affiliated with IUMS

Description

Inclusion Criteria:

  • Men and women aged 18-75 years of free-living individuals.

Exclusion Criteria:

  • Over or underestimating of total energy intake
  • Uncompleted questionnaire (more than 30% of questions)

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

Cohorts and Interventions

Group / Cohort
Intervention / Treatment
Isfahani adults
GI/GL
Other: GI/GL
GI and GL would be categorized as tertile. due to cross-sectional design of this study, intervention would not be applicable.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
odds ratio for having depression resulted from statistical analysis
Time Frame: up to 4 months
up to 4 months

Secondary Outcome Measures

Outcome Measure
Time Frame
depression score resulted from Hospital Anxiety and Depression Scale
Time Frame: up to 6 months
up to 6 months

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Isfahan University of Medical Sciences

Investigators

  • Study Chair: Peyman Adibi, MD, Integrative Functional Gastroenterology Research Center, Isfahan University of Medical Sciences, Isfahan, Iran

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

December 1, 2014

Primary Completion (Anticipated)

April 1, 2015

Study Completion (Anticipated)

June 1, 2015

Study Registration Dates

First Submitted

February 2, 2015

First Submitted That Met QC Criteria

February 7, 2015

First Posted (Estimate)

February 12, 2015

Study Record Updates

Last Update Posted (Estimate)

February 12, 2015

Last Update Submitted That Met QC Criteria

February 7, 2015

Last Verified

February 1, 2015

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

  • 1364

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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