Diet Quality Among U.S.-Born and Foreign-born Non-Hispanic Blacks

August 28, 2017 updated by: Sara C. Folta

Diet Quality Among U.S.-Born and Foreign-born Non-Hispanic Blacks: NHANES 2003-2012 Data

This study compares the diet quality between U.S.-born and foreign-born non-Hispanic Blacks using pooled NHANES data.

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Completed

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Detailed Description

This study uses the Alternative Healthy Eating Index-2010 (AHEI-2010) and Dietary Approach to Stop Hypertension (DASH) scores to compare diet quality between U.S.-born (n=3,837) and foreign-born (n=406) non-Hispanic Black adults aged 22-79y, based on pooled nationally representative data (NHANES 2003-2012); as well as by length of U.S. residency. Association between nativity and diet quality was done using multivariable-adjusted linear regression for the continuous total diet quality scores and their components, or multinomial (polytomous) logistic regression for categorical tertiles (low, medium, or high) of the total scores and their components. The study found that foreign-born Blacks had significantly higher AHEI-2010 and DASH scores compared to U.S-born Blacks, and more favorable intakes for many of the score components. Among foreign-born Blacks, diet quality did not significantly differ by length of residency. Foreign-born Blacks were more likely to be in the high than low tertile for fruit (including and excluding fruit juice), vegetables (excluding starchy vegetables), percent whole grains, and omega-3 fatty acids. Overall, the study suggests that foreign-born Blacks have better diet quality compared to their U.S.-born counterparts. Considering nativity among U.S. Blacks in nutrition research and public health efforts may therefore improve accuracy of characterizing dietary intakes and facilitate development of targeted nutrition interventions to reduce diet-related diseases in the diverse Black population in the U.S.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Observational

Enrollment (Actual)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
4243

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

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

22 years to 79 years (ADULT, OLDER_ADULT)

Accepts Healthy Volunteers

Yes

Genders Eligible for Study

All

Sampling Method

Probability Sample

Study Population

The study population comprised 4,243 non-Hispanic Blacks, including 3,837 U.S.-born (90.4%) and 406 foreign-born (9.6%). Compared to U.S.-born Blacks, a higher proportion of foreign-born Blacks were male, had attained a higher level of education, were classified as normal or overweight, had never been a smoker, engaged in physical activity, and had lower energy intake. In comparison to those who were in the U.S. for <10 years, more foreign-born Blacks who were in the U.S. for ≥30 years were current smokers (14.8% vs. 5.0%, respectively), had higher income (IPR of ≥4.00: 43.5% vs 7.9%, respectively), and a higher percent with a college degree or higher (39.4% vs. 18.3%, respectively). Foreign-born Blacks residing in the U.S. for ≥30 years reported higher BMI in comparison to those residing in the U.S. for <10 years (28.8 vs. 26.7 kg/m2).

Description

Inclusion Criteria:

  • 22-79

Exclusion Criteria:

  • Pregnant subjects
  • Energy intakes of ≤600 kcal and ≥ 4800 kcal
  • No dietary data available

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

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Measure Description
Time Frame
Adapted AHEI-2010
Time Frame: 2003-2012
Components include: fruit (excluding fruit juice) (s/d); vegetables (excluding white potatoes) (s/d); whole grains (oz-equivalents/d); sugar-sweetened beverages (s/d); nuts, legumes, and vegetable protein (oz-equivalents/d); red/processed meat (s/d); long-chain omega-3 fats (EPA+DHA; mg/d); polyunsaturated fats (PUFA; % kcal/d); sodium (mg/d); and alcohol (drinks/d). Potential range of 0-100 points and higher scores indicative of higher diet quality
2003-2012

Secondary Outcome Measures

Secondary Outcome Measures

In a clinical study's protocol, a planned outcome measure that is not as important as the primary outcome measure for evaluating the effect of an intervention but is still of interest. Most clinical studies have more than one secondary outcome measure.
Outcome Measure
Measure Description
Time Frame
Adapted DASH score
Time Frame: 2003-2012
Quintile-, food-based dietary score assessing adherence to the DASH diet, which was developed as a dietary approach to prevent and treat hypertension. Components of the revised score include vegetables, fruit, whole grains, nuts and legumes, sodium, red and processed meat, and sugar-sweetened beverages.
2003-2012

Collaborators and Investigators

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

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
Sara C. Folta

Collaborators

Collaborators

An organization other than the sponsor that provides support for a clinical study. This support may include activities related to funding, design, implementation, data analysis, or reporting.
Albert Einstein College of Medicine
Harvard School of Public Health (HSPH)

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 (ACTUAL)

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
January 1, 2003

Primary Completion (ACTUAL)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
December 1, 2012

Study Completion (ACTUAL)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
December 1, 2012

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
August 28, 2017

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
August 28, 2017

First Posted (ACTUAL)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
August 30, 2017

Study Record Updates

Last Update Posted (ACTUAL)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
August 30, 2017

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
August 28, 2017

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
August 1, 2017

More Information

Terms related to this study

Keywords

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • R01HL115189 (NIH)

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

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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