Validation of a Food Frequency Questionnaire: VioScreen

University of Colorado, Denver27 enrolled

Overview

The purpose of this study is to learn more about how well a questionnaire about food intake works. The study team will compare questionnaire responses to several other measurements of food intake. There is a special emphasis on fruit and vegetable intake.

Study Type

OBSERVATIONAL

Enrollment

Conditions

Not Determined

Eligibility

Sex: FEMALEMin age: 18 YearsMax age: 40 YearsHealthy volunteers:

Medical Language ↔ Plain English

Inclusion Criteria: * Age 18-40 as we are aiming to recruit women of child-bearing age * Pregnant women up to 26 weeks' gestation * Women assigned female sex at birth who are not pregnant Exclusion Criteria: * Women below the age of 18 or over the age of 40 years * Pregnant women more than 26 weeks' gestation at the time of enrollment * Women who are experiencing limited or reduced food intake related to nausea will not be approached for recruitment and are considered ineligible * Women who are unwilling to participate in the study due to time commitment or other reasons * Women whose capacity for study compliance is diminished due to conditions such as active untreated substance use disorder, untreated/uncontrolled schizophrenia, bipolar disorder, active psychosis will not be approached for recruitment and are considered ineligible

Locations (2)

Children's Hospital Colorado

Aurora, Colorado, United States

Denver Health

Denver, Colorado, United States

Outcomes

Primary Outcomes

Concurrent validity of VioScreen against 24-hour recalls

Concurrent validity measures how a new test compares against a validated test, called the criterion or "gold standard."

Time frame: 6 weeks

Test-retest reliability of VioScreen

Test-retest reliability is a measure of reliability obtained by administering the same test twice over a period of time to a group of individuals.

Time frame: one month

Secondary Outcomes

Concurrent validity of VioScreen against Veggie Meter

Concurrent validity measures how a new test compares against a validated test, called the criterion or "gold standard."

Time frame: 6 weeks

Concurrent validity of VioScreen against Fruit and Vegetable Screener

Concurrent validity measures how a new test compares against a validated test, called the criterion or "gold standard."

Time frame: 6 weeks

Test-retest reliability of Veggie Meter

Test-retest reliability is a measure of reliability obtained by administering the same test twice over a period of time to a group of individuals.

Time frame: one month

Test-retest reliability of Fruit and Vegetable Screener

Test-retest reliability is a measure of reliability obtained by administering the same test twice over a period of time to a group of individuals.

Time frame: one month

Concurrent validity of Veggie Meter against 24-hour recalls

Concurrent validity measures how a new test compares against a validated test, called the criterion or "gold standard."

Data from ClinicalTrials.gov

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