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Protocol - Breastfeeding

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Protocol Name from Source:

2005-2006 National Health and Nutrition Examination Survey (NHANES) Diet Behavior and Nutrition Questionnaire

Availability:

Publicly available

Description:

These interviewer-administered questions ascertain whether an infant was breastfed, the duration of breastfeeding, and the introduction of solid foods.

Protocol:

SP = Sample Person

1. Now I’m going to ask you some general questions about {SP’s} eating habits. Was {SP} ever breastfed or fed breast milk?

1 [ ] YES

2 [ ] NO

7 [ ] REFUSED

9 [ ] DON’T KNOW

2. How old was {SP} when {he/she} was first fed something other than breastmilk or water?

INCLUDE FORMULA, JUICE, SOLID FOODS

|___|___|___|___| ENTER AGE IN DAYS, WEEKS, MONTHS OR YEARS

6666 [ ] NEVER

7777 [ ] REFUSED

9999 [ ] DON’T KNOW

ENTER UNIT

1 [ ] DAYS

2 [ ] WEEKS

3 [ ] MONTHS

4 [ ] YEARS

7 [ ] REFUSED

9 [ ] DON’T KNOW

3. How old was {SP} when {he/she} completely stopped breastfeeding or being fed breast milk?

|___|___|___|___| ENTER AGE IN DAYS, WEEKS, MONTHS OR YEARS

6666 [ ] STILL BREASTFEEDING

7777 [ ] REFUSED

9999 [ ] DON’T KNOW

ENTER UNIT

1 [ ] DAYS

2 [ ] WEEKS

3 [ ] MONTHS

4 [ ] YEARS

7 [ ] REFUSED

9 [ ] DON’T KNOW

Personnel and Training Required

The interviewer must be trained to conduct personal interviews with individuals from the general population. The interviewer must be trained and found to be competent (i.e., tested by an expert) at the completion of personal interviews.* The interviewer should be trained to prompt respondents further if a "don’t know" response is provided. *These questions can be administered using multiple modes (e.g., paper-and-pencil and computer-assisted interviews).

Equipment Needs

Although the source instrument was developed to be administered by computer, the PhenX Working Group acknowledges that these questions can be administered in a noncomputerized format (i.e., paper-and-pencil instrument). Computer software is necessary to develop computer-assisted instruments. The interviewer will require a laptop or handheld computer to administer a computer-assisted questionnaire.

Requirements

Requirement CategoryRequired
Average time of greater than 15 minutes in an unaffected individualNo
Major equipmentNo
Specialized requirements for biospecimen collectionNo
Specialized trainingNo

Mode of Administration

Self-administered

Life Stage:

Toddler, Child

Specific Instructions:

Parents must answer questions for children.

Research Domain Information

Release Date:

October 1, 2015

Definition

A measure to assess whether a baby was breastfed, the duration of breastfeeding, and when solid foods were introduced.

Purpose

Breastfeeding is advantageous for both mothers and their children. Breast milk is the optimal source of nutrition for infants. Its components are easy to digest, include antibodies that can protect infants from bacterial and viral infections, and contain growth factors that may prevent chronic diseases later in life. Research indicates that women who breastfeed may have lower rates of certain breast and ovarian cancers and are more likely to return to their pregravid weight faster than those who do not breastfeed.

Selection Rationale

This tool is employed in a nationally representative survey.

Language

English, Spanish

Standards

StandardNameIDSource
Common Data Elements (CDE)Person Breast Feeding Indicator2944314CDE Browser
Logical Observation Identifiers Names and Codes (LOINC)PhenX - breastfeeding protocol62279-5LOINC

Process and Review

The [link[phenx.org/node/62|Expert Review Panel #1]] reviewed the measures in the Anthropometrics, Diabetes, Physical Activity and Physical Fitness, and Nutrition and Dietary Supplements domains.

Guidance from the ERP includes:

• No significant changes to measure

Back-compatible: no changes to Data Dictionary

Previous version in Toolkit archive ([link[www.phenxtoolkit.org/index.php?pageLink=browse.archive.protocols&id=50000|link]])

Source

Centers for Disease Control and Prevention, National Center for Health Statistics. (2005-2006). National Health and Nutrition Examination Survey (NHANES), Diet Behavior and Nutrition Questionnaire. Questions DBQ010 (question 1), DBQ020 (question 2), and DBQ030 (question 3).

General References

None

Protocol ID:

50101

Variables:

Export Variables
Variable NameVariable IDVariable DescriptionVersiondbGaP Mapping
PX050101_Ever_Breast_MilkPX050101010000Was Sample Person ever breastfed or fed breast milk?4N/A
PX050101_Age_Other_Than_Breast_MilkPX050101020100How old was Sample Person when {he/she} was first fed something other than breastmilk or water? INCLUDE FORMULA, JUICE, SOLID FOODS.4N/A
PX050101_Age_OtherThan_Breast_Milk_UnitPX050101020200How old was Sample Person when {he/she} was first fed something other than breastmilk or water? INCLUDE FORMULA, JUICE, SOLID FOODS.4N/A
PX050101_Age_Stop_Breast_MilkPX050101030100How old was Sample Person when {he/she} completely stopped breastfeeding or being fed breast milk?4N/A
PX050101_Age_Stop_Breast_Milk_UnitPX050101030200How old was Sample Person when {he/she} completely stopped breastfeeding or being fed breast milk?4N/A