PregnancyMEQNCT01734655
Study of the Validity of Using the MEQ to Measure Mindful Eating in Pregnant Women
An observational study of Pregnancy, run by Pennington Biomedical Research Center at 1 site in United States.
Trial summary
The Specific Aim of this supplemental project is to evaluate the Mindful Eating Questionnaire (MEQ) to determine if it is a valid instrument for pregnant women. During this project, the MEQ will be qualitatively evaluated in a sample of pregnant women who are similar in age, ethnicity, education, and marital status to… Read more about this study
- Who is it for?
- Ages 18 to 40 years, women onlyHealthy volunteers can take part
- Conditions the study is for
- Pregnancy
- How many people
- 40 participants
- Where
- 1 siteUnited States
- Study dates
- Nov 2012to Dec 2014
- Phase
- Observational
- Are there results?
- Yes, posted in the registrySummary in the doctors' view
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 to 40 years
- Women only
- Healthy volunteers accepted
- Adult
Study population: Forty pregnant women (11 will participate in the focus group and 29 will complete individual cognitive interviews) will be recruited who are similar in age, ethnicity, education, and marital status to the women who will be recruited for the parent study.
Who may be able to join
- 18-40 years of age, inclusive
- Overweight or obese at time of conception based on self-report (BMI ≥25 and <40 kg/m2)
- Willingness to participate in either the focus group or the individual interview
- Establish prenatal care by 12 weeks of gestation
- Fluent in the English language; AND
- Singleton pregnancy
Who cannot join
- Current multiple gestation
- Type I diabetes
- Self-reported gestational diabetes mellitus
- History or current psychotic disorder
- Current major depressive episode, bipolar disorder, or eating disorder
- HIV
Show all 9Show fewer
- Current smoking, alcohol or drug use
- History of ≥ 3 miscarriages
- Current enrollment in Expecting Success (IRB#11024)
Trial locations and contacts
1 site in 1 country.
United States1 site
Pennington Biomedical Research Center
Baton Rouge, Louisiana, 70808
About this study
Official title: Qualitative Evaluation of the Mindful Eating Questionnaire (MEQ) in Pregnant Women
The Specific Aim of this supplemental project is to evaluate the Mindful Eating Questionnaire (MEQ) to determine if it is a valid instrument for pregnant women. During this project, the MEQ will be qualitatively evaluated in a sample of pregnant women who are similar in age, ethnicity, education, and marital status to the women targeted for recruitment in the parent study. The qualitative evaluation will include a focus group with 10 participants followed by 30 individual cognitive interviews. Comments from the interviews will be summarized and analyzed systematically for each of the 28 questions of the MEQ and the interviewer will use findings from initial interviews to inform subsequent interviews. Content validity will be evaluated based on responses from the focus group and cognitive interviews, and MEQ items will be evaluated for comprehension, retrieval, judgment, and response. Strengths, weaknesses, relevance, comprehensiveness, and interpretations will be reported for each of the MEQ questions. We will also have some of the more traditional validation parameters (the inclusion of other questionnaires) in the study to collect data on convergent and discriminant validity. The resulting publication will provide readers with a thorough report on the utility and appropriateness of using the MEQ to quantify mindful eating in pregnant women.
Read the detailed description
Pre-pregnancy maternal overweight/obesity and excess weight gain during pregnancy are associated with metabolic abnormalities in mothers and their offspring. Despite guidelines developed by the Institute of Medicine (IOM) for appropriate levels of gestational weight gain, more than 50% of overweight and obese pregnant women exceed the recommended amount of weight gain during pregnancy (CDC 2009). Updated guidelines from the Institute of Medicine (IOM) in 2009 suggest that individualized dietary counseling and regular physical activity are necessary for pregnant women to achieve appropriate levels of gestational weight gain (IOM and NRC 2009), yet few studies have examined weight management in overweight pregnant women and none were successful at increasing adherence to the IOM guidelines (Polley, Wing et al. 2002; Olson, Strawderman et al. 2004; Asbee, Jenkins et al. 2009; Shirazian, Monteith et al. 2010; Phelan, Phipps et al. 2011).
This project is a supplement to a parent study called Expecting Success: Personalized management of body weight during pregnancy (U01 DK094418-01 PIs: Leanne M. Redman, Ph.D. \& Corby K. Martin, Ph.D.). The parent study will test the efficacy of two interventions at promoting appropriate levels of weight gain during pregnancy compared to each other and to a usual care control group. Appropriate levels of weight gain during pregnancy will be defined by the 2009 IOM gestational weight gain guidelines (CDC 2009). The two interventions include training on mindfulness surrounding eating, hunger, and satiety; hence, it is logical to test if changes in mindfulness differ between the two intervention groups and the usual care group. Moreover, it is possible that change in mindfulness will be associated with the study's outcome or different levels of gestational weight gain between the usual care group and the two intervention groups. Finally, changes in mindfulness could mediate the effect of the two interventions on gestational weight gain.
Despite the possible importance of mindfulness to the eating behavior and weight management of pregnant women, no measure has been validated to measure mindfulness in pregnant women. The Mindful Eating Questionnaire (MEQ) is a 28-item self-report instrument that measures five domains of mindful eating: disinhibition, awareness, external cues, emotional response, and distraction. Mindful eating refers to an unbiased awareness of sensations surrounding eating and although a preliminary study found the MEQ to be a valid measure of mindful eating in healthy adults, it has not been validated in pregnant women. A valid measure of mindful eating is required when an intervention is used to increase mindful eating in pregnant women and evaluate if the increase results in healthier eating habits and effective weight management. Indeed, effectively measuring mindful eating is central to evaluating: 1) if an intervention had the anticipated effect on mindful eating, 2) if increasing mindful eating resulted in changes to eating habits and body mass, and 3) if changes in mindful eating mediated treatment effects.
Relationship of the supplement to the parent grant: Mindfulness training is effective at helping people manage their eating habits, making mindfulness training a viable strategy to use with special populations who struggle with eating and weight management, including pregnant women. During the parent study, two personal weight-management interventions designed to meet the unique needs of pregnant women will be deployed and mindful eating techniques are part of these interventions. Although a preliminary study found the Mindful Eating Questionnaire (MEQ) to be valid in a convenience sample of generally healthy adults, it is not known if the MEQ is an appropriate and valid instrument for use with pregnant women, and the proposed project will answer this question. If the MEQ is valid for use with pregnant women, it can be used in the parent study, as well as other studies, to determine if the interventions are effectively at training participant to mindfully eat and if changes in mindful eating mediate intervention effects.
- Conditions
- Pregnancy
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
| Study group | Role | What they receive |
|---|---|---|
| All Participants | Participants will be asked to complete the MEQ, the Eating Inventory Questionnaire, The Mindful Attention Awareness Scale (MAAS), and the Neighborhood Environment Walkability Scale (NEWS). Participants will then be asked to sequentially respond to each of the 28 items and the response choices from the MEQ and briefly discuss their reaction to the items and response choices. Finally, participants will either participate in a focus group or an individual cognitive interview, giving them the opportunity to elaborate on their responses to the MEQ. The first 11 participants completed focus groups and the remaining 29 participants completed individual cognitive interviews. |
What is being measured
The primary outcome is the main question the study is designed to answer.
Test-Retest Reliability of the Mindful Eating Questionnaire (MEQ)
Participants were given the Mindful Eating Questionnaire (MEQ) at their screening visit and study visit in an effort to establish test-retest reliability.
Measured: SV and V1; minimum of 24 hours between visits, maximum of 5 months between visits
To Determine the Internal Validity of Each of the MEQ's Subscales, we Calculated Cronbach's a
Cronbach's alpha is a measure of internal consistency, that is, how closely related a set of items are as a group. It is considered to be a measure of scale reliability. Alpha coefficients generally range from 0 to 1, with a higher score indicating greater reliability of a scale. However, a "high" value for alpha does not imply that the measure is unidimensional. Technically speaking, Cronbach's alpha is not a statistical test - it is a coefficient of reliability (or consistency).
Measured: V1
Convergent Validity of the Mindful Eating Questionnaire Compared to the Eating Inventory (EI) Restraint Subscale
The convergent validity of the Mindful Eating Questionnaire was assessed using the Eating Inventory (EI) subscales (restraint, disinhibition, hunger) by calculating Pearson correlation coefficients. Below are the results for the comparison of the Mindful Eating Questionnaire's subscales to the Eating Inventory restraint subscale. Correlations were run with and without the External Cues subscale (ECS) since it was found not to be internally consistent.
Measured: V1
Convergent Validity of the Mindful Eating Questionnaire Subscales to the Eating Inventory Disinhibition Subscale
The convergent validity of the Mindful Eating Questionnaire was assessed using the Eating Inventory subscales by calculating the Pearson correlation coefficients. Below are the results for the comparison of the Mindful Eating Questionnaire's subscales to the Eating Inventory Subscale of Disinhibition. Correlations were run with and without the External Cues subscale since it was found not to be internally consistent.
Measured: V1
Convergent Validity of the MEQ Subscales Compared to the EI Hunger Subscale
The convergent validity of the Mindful Eating Questionnaire was assessed using the Eating Inventory subscales of restraint, disinhibition and hunger by calculating the Pearson correlation coefficients. Below are the results for the comparison of the Mindful Eating Questionnaire's subscales to the Eating Inventory Subscale of Hunger. Correlations were run with and without the External Cues subscale since it was found not to be internally consistent.
Measured: V1
Correlation of the MEQ Subscales to the MAAS
The convergent validity of the MEQ was also assessed by calculating the pearson correlation between the MEQ subscales and the Mindful Attention Awareness Scale (MAAS). Correlations were run with and without the External Cues subscale since it was found not to be internally consistent. **Indicates correlation significant at the .01 level
Measured: V1
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted28 Nov 2012 (estimated)
- Study startNov 2012
- Primary completionDec 2014
- Study completionDec 2014
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Posted resultsParticipant flow, outcome measures and adverse events reported by the sponsor.
- Publications (1)Papers the sponsor has linked to this study.
- Other trials for PregnancyStudies 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
- 40 participants (actual)
Sponsor and investigators
- Lead sponsor
- Pennington Biomedical Research Center
- Sponsor type
- University, hospital or other
- Responsible party
- Principal investigator, Corby K. Martin, Pennington Biomedical Research Center
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT01734655
- Sponsor's protocol ID
- PBRC 12013
- Other IDs
- U01DK094418
- Acronym
- MEQ
- Status last verified
- Jun 2017
- First submitted
- 20 Nov 2012
- Last updated
- 25 Jul 2017
- Results posted
- Yes, on ClinicalTrials.gov
- Data monitoring committee
- Yes
- Individual data sharing
- Undecided
Publications
Apolzan JW, Myers CA, Cowley AD, Brady H, Hsia DS, Stewart TM, Redman LM, Martin CK. Examination of the reliability and validity of the Mindful Eating Questionnaire in pregnant women. Appetite. 2016 May 1;100:142-51. doi: 10.1016/j.appet.2016.02.025. Epub 2016 Feb 12.
PubMed 26879222
Study at a glance
From the registry record, last updated by the sponsor on 25 Jul 2017. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Qualitative Evaluation of the Mindful Eating Questionnaire (MEQ) in Pregnant Women
- ClinicalTrials.gov ID
- NCT01734655
- Acronym / sponsor ID
- MEQ / PBRC 12013
- Conditions
- Pregnancy
- Study type
- Observational
- Recruitment status
- Completed
- Enrolment
- 40 participants (actual)
- Lead sponsor
- Pennington Biomedical Research CenterUniversity, hospital or other
- Collaborators
- National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
- Study start
- Nov 2012
- Primary completion
- Dec 2014 (actual)
- Study completion
- Dec 2014 (actual)
- First posted
- 28 Nov 2012 (estimated)
- Results
- Posted 3 Mar 2016
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
The Specific Aim of this supplemental project is to evaluate the Mindful Eating Questionnaire (MEQ) to determine if it is a valid instrument for pregnant women. During this project, the MEQ will be qualitatively evaluated in a sample of pregnant women who are similar in age, ethnicity, education, and marital status to the women targeted for recruitment in the parent study. The qualitative evaluation will include a focus group with 10 participants followed by 30 individual cognitive interviews. Comments from the interviews will be summarized and analyzed systematically for each of the 28 questions of the MEQ and the interviewer will use findings from initial interviews to inform subsequent interviews. Content validity will be evaluated based on responses from the focus group and cognitive interviews, and MEQ items will be evaluated for comprehension, retrieval, judgment, and response. Strengths, weaknesses, relevance, comprehensiveness, and interpretations will be reported for each of the MEQ questions. We will also have some of the more traditional validation parameters (the inclusion of other questionnaires) in the study to collect data on convergent and discriminant validity. The resulting publication will provide readers with a thorough report on the utility and appropriateness of using the MEQ to quantify mindful eating in pregnant women.
Detailed description
Pre-pregnancy maternal overweight/obesity and excess weight gain during pregnancy are associated with metabolic abnormalities in mothers and their offspring. Despite guidelines developed by the Institute of Medicine (IOM) for appropriate levels of gestational weight gain, more than 50% of overweight and obese pregnant women exceed the recommended amount of weight gain during pregnancy (CDC 2009). Updated guidelines from the Institute of Medicine (IOM) in 2009 suggest that individualized dietary counseling and regular physical activity are necessary for pregnant women to achieve appropriate levels of gestational weight gain (IOM and NRC 2009), yet few studies have examined weight management in overweight pregnant women and none were successful at increasing adherence to the IOM guidelines (Polley, Wing et al. 2002; Olson, Strawderman et al. 2004; Asbee, Jenkins et al. 2009; Shirazian, Monteith et al. 2010; Phelan, Phipps et al. 2011).
This project is a supplement to a parent study called Expecting Success: Personalized management of body weight during pregnancy (U01 DK094418-01 PIs: Leanne M. Redman, Ph.D. \& Corby K. Martin, Ph.D.). The parent study will test the efficacy of two interventions at promoting appropriate levels of weight gain during pregnancy compared to each other and to a usual care control group. Appropriate levels of weight gain during pregnancy will be defined by the 2009 IOM gestational weight gain guidelines (CDC 2009). The two interventions include training on mindfulness surrounding eating, hunger, and satiety; hence, it is logical to test if changes in mindfulness differ between the two intervention groups and the usual care group. Moreover, it is possible that change in mindfulness will be associated with the study's outcome or different levels of gestational weight gain between the usual care group and the two intervention groups. Finally, changes in mindfulness could mediate the effect of the two interventions on gestational weight gain.
Despite the possible importance of mindfulness to the eating behavior and weight management of pregnant women, no measure has been validated to measure mindfulness in pregnant women. The Mindful Eating Questionnaire (MEQ) is a 28-item self-report instrument that measures five domains of mindful eating: disinhibition, awareness, external cues, emotional response, and distraction. Mindful eating refers to an unbiased awareness of sensations surrounding eating and although a preliminary study found the MEQ to be a valid measure of mindful eating in healthy adults, it has not been validated in pregnant women. A valid measure of mindful eating is required when an intervention is used to increase mindful eating in pregnant women and evaluate if the increase results in healthier eating habits and effective weight management. Indeed, effectively measuring mindful eating is central to evaluating: 1) if an intervention had the anticipated effect on mindful eating, 2) if increasing mindful eating resulted in changes to eating habits and body mass, and 3) if changes in mindful eating mediated treatment effects.
Relationship of the supplement to the parent grant: Mindfulness training is effective at helping people manage their eating habits, making mindfulness training a viable strategy to use with special populations who struggle with eating and weight management, including pregnant women. During the parent study, two personal weight-management interventions designed to meet the unique needs of pregnant women will be deployed and mindful eating techniques are part of these interventions. Although a preliminary study found the Mindful Eating Questionnaire (MEQ) to be valid in a convenience sample of generally healthy adults, it is not known if the MEQ is an appropriate and valid instrument for use with pregnant women, and the proposed project will answer this question. If the MEQ is valid for use with pregnant women, it can be used in the parent study, as well as other studies, to determine if the interventions are effectively at training participant to mindfully eat and if changes in mindful eating mediate intervention effects.
Study design
- Observational model
- Cohort
- Time perspective
- Cross-sectional
- Number of arms
- 1
| Arm | Type | Receives |
|---|---|---|
| All Participants | – | –Participants will be asked to complete the MEQ, the Eating Inventory Questionnaire, The Mindful Attention Awareness Scale (MAAS), and the Neighborhood Environment Walkability Scale (NEWS). Participants will then be asked to sequentially respond to each of the 28 items and the response choices from the MEQ and briefly discuss their reaction to the items and response choices. Finally, participants will either participate in a focus group or an individual cognitive interview, giving them the opportunity to elaborate on their responses to the MEQ. The first 11 participants completed focus groups and the remaining 29 participants completed individual cognitive interviews. |
Who may qualify
- Ages
- 18 to 40 years
- Sex
- Female only
- Healthy volunteers
- Accepted
- Age groups
- Adult
- Study population
- Forty pregnant women (11 will participate in the focus group and 29 will complete individual cognitive interviews) will be recruited who are similar in age, ethnicity, education, and marital status to the women who will be recruited for the parent study.
Key inclusion criteria (6 listed)
- 18-40 years of age, inclusive
- Overweight or obese at time of conception based on self-report (BMI ≥25 and <40 kg/m2)
- Willingness to participate in either the focus group or the individual interview
- Establish prenatal care by 12 weeks of gestation
- Fluent in the English language; AND
Key exclusion criteria (9 listed)
- Current multiple gestation
- Type I diabetes
- Self-reported gestational diabetes mellitus
- History or current psychotic disorder
- Current major depressive episode, bipolar disorder, or eating disorder
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
Test-Retest Reliability of the Mindful Eating Questionnaire (MEQ)
Time frame: SV and V1; minimum of 24 hours between visits, maximum of 5 months between visits
Participants were given the Mindful Eating Questionnaire (MEQ) at their screening visit and study visit in an effort to establish test-retest reliability.
To Determine the Internal Validity of Each of the MEQ's Subscales, we Calculated Cronbach's a
Time frame: V1
Cronbach's alpha is a measure of internal consistency, that is, how closely related a set of items are as a group. It is considered to be a measure of scale reliability. Alpha coefficients generally range from 0 to 1, with a higher score indicating greater reliability of a scale. However, a "high" value for alpha does not imply that the measure is unidimensional. Technically speaking, Cronbach's alpha is not a statistical test - it is a coefficient of reliability (or consistency).
Convergent Validity of the Mindful Eating Questionnaire Compared to the Eating Inventory (EI) Restraint Subscale
Time frame: V1
The convergent validity of the Mindful Eating Questionnaire was assessed using the Eating Inventory (EI) subscales (restraint, disinhibition, hunger) by calculating Pearson correlation coefficients. Below are the results for the comparison of the Mindful Eating Questionnaire's subscales to the Eating Inventory restraint subscale. Correlations were run with and without the External Cues subscale (ECS) since it was found not to be internally consistent.
Convergent Validity of the Mindful Eating Questionnaire Subscales to the Eating Inventory Disinhibition Subscale
Time frame: V1
The convergent validity of the Mindful Eating Questionnaire was assessed using the Eating Inventory subscales by calculating the Pearson correlation coefficients. Below are the results for the comparison of the Mindful Eating Questionnaire's subscales to the Eating Inventory Subscale of Disinhibition. Correlations were run with and without the External Cues subscale since it was found not to be internally consistent.
Convergent Validity of the MEQ Subscales Compared to the EI Hunger Subscale
Time frame: V1
The convergent validity of the Mindful Eating Questionnaire was assessed using the Eating Inventory subscales of restraint, disinhibition and hunger by calculating the Pearson correlation coefficients. Below are the results for the comparison of the Mindful Eating Questionnaire's subscales to the Eating Inventory Subscale of Hunger. Correlations were run with and without the External Cues subscale since it was found not to be internally consistent.
Correlation of the MEQ Subscales to the MAAS
Time frame: V1
The convergent validity of the MEQ was also assessed by calculating the pearson correlation between the MEQ subscales and the Mindful Attention Awareness Scale (MAAS). Correlations were run with and without the External Cues subscale since it was found not to be internally consistent. **Indicates correlation significant at the .01 level
Results and safety
Loading the posted results from ClinicalTrials.gov…
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 25 Jul 2017.
- Posted resultsParticipant flow, baseline, all outcome measures and adverse events.
- Derived from this study: PubMed 26879222Apolzan JW, Myers CA, Cowley AD, Brady H, Hsia DS, Stewart TM, Redman LM, Martin CK. Examination of the reliability and validity of the Mindful Eating Questionnaire in pregnant women. Appetite. 2016 May 1;100:142-51. doi: 10.1016/j.appet.2016.02.025. Epub 2016 Feb 12.
- PBRC Web Screener for MEQLink provided by the sponsor.
- Individual participant dataSharing planned: Undecided
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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. This study is not recruiting at the moment.
The record lists no contact. Use the official record to reach the sponsor.
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 Pregnancy, run by Pennington Biomedical Research Center at 1 site in United States.
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 6 inclusion and 9 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: finished, as of the sponsor's last update on 25 Jul 2017. 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 United States. 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?
Yes. Results are posted in the registry (first posted 3 Mar 2016). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Test-Retest Reliability of the Mindful Eating Questionnaire (MEQ) (time frame: SV and V1; minimum of 24 hours between visits, maximum of 5 months between visits). The study lists 6 primary outcomes in all. It is what the study was designed to measure, not a finding.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT01734655, which also lists 1 linked publication.
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 25 Jul 2017.