Protocol - Breastfeeding
Description
These interviewer-administered questions ascertain whether an infant was breastfed, the duration of breastfeeding, and the introduction of solid foods.
Specific Instructions
Parents must answer questions for children.
Availability
This protocol is freely available; permission not required for use.
Protocol
Breastfeeding
SP = Sample Person
1. 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/SP} completely stopped breastfeeding or being fed breast milk?
|___|
1[ ]ENTER NUMBER
2[ ]STILL BREASTFEEDING
7[ ]REFUSED
9[ ]DONT KNOW
|___|___|___|___|
ENTER AGE IN DAYS, WEEKS, MONTHS OR YEARS
7777 [ ] REFUSED
9999 [ ] DON’T KNOW
ENTER UNIT
|___|
1 [ ] DAYS
2 [ ] WEEKS
3 [ ] MONTHS
4 [ ] YEARS
3. How old was {SP} when {he/she} was first fed anything other than breastmilk or water?
INTERVIEWER INSTRUCTION: DO NOT COUNT MEDICATIONS, VITAMIN DROPS, OR SMALL AMOUNT OF WATER THAT WAS USED FOR ORAL HYGIENE PURPOSES. |___|
1[ ]ENTER NUMBER
2[ ]NEVER
7[ ]REFUSED
9[ ]DONT KNOW
|___|___|___|___|
ENTER AGE IN DAYS, WEEKS, MONTHS OR YEARS
7777 [ ] REFUSED
9999 [ ] DON’T KNOW
ENTER UNIT
|___|
1 [ ] DAYS
2 [ ] WEEKS
3 [ ] MONTHS
4 [ ] YEARS
Personnel and Training Required
None
Equipment Needs
None
Requirements
| Requirement Category | Required |
|---|---|
| Major equipment | No |
| Specialized training | No |
| Specialized requirements for biospecimen collection | No |
| Average time of greater than 15 minutes in an unaffected individual | No |
Mode of Administration
Interviewer-administered questionnaire
Lifestage
Toddler, Child
Participants
Sample Person is an individual aged 6 years old or younger
Selection Rationale
This tool is employed in a nationally representative survey.
Language
English
While the English version of this protocol has been updated, the available translations have not and reflect a previous version. These differences may impact the compatibility between the English and Spanish/Chinese versions. It is the responsibility of the investigator to determine if the translations are sufficiently compatible with the English version for their research and subsequent analysis.
Standards
| Standard | Name | ID | Source |
|---|---|---|---|
| caDSR Form | Px50102 Breastfeeding | 15177094 | caDSR Form |
Derived Variables
None
Process and Review
The PhenX Steering Committee (SC) reviewed this protocol in October 2023. Guidance from the SC includes:
- Updated protocol
Protocol Name from Source
National Health and Nutrition Examination Survey (NHANES) Diet Behavior and Nutrition Questionnaire, 2021-2023
Source
Centers for Disease Control and Prevention, National Center for Health Statistics. National Health and Nutritional Examination Survey (NHANES) 2021-2023. Diet Behavior and Nutrition (Questions DBQ.010, DBQ.030, and DBQ.055). Hyattsville, MD: U.S. Department of Health and Human Services, Centers for Disease Control and Prevention.
General References
None
Protocol ID
50102
Variables
Export Variables| Variable Name | Variable ID | Variable Description | dbGaP Mapping | |
|---|---|---|---|---|
| PX050102_Breastfeeding_Age_First_Fed_Other | ||||
| PX050102030000 | How old was {SP} when {he/she} was first fed more | N/A | ||
| PX050102_Breastfeeding_Age_First_Fed_Other_Dont_Know_Refuse | ||||
| PX050102030100 | How old was {SP} when {he/she} was first fed more | N/A | ||
| PX050102_Breastfeeding_Age_First_Fed_Other_Number | ||||
| PX050102030101 | How old was {SP} when {he/she} was first fed more | N/A | ||
| PX050102_Breastfeeding_Age_First_Fed_Other_Unit | ||||
| PX050102030102 | How old was {SP} when {he/she} was first fed more | N/A | ||
| PX050102_Breastfeeding_Age_Stop_Fed_Breastmilk | ||||
| PX050102020000 | How old was {SP} when {he/she/SP} completely more | N/A | ||
| PX050102_Breastfeeding_Age_Stop_Fed_Breastmilk_Dont_Know_Refuse | ||||
| PX050102020100 | How old was {SP} when {he/she/SP} completely more | N/A | ||
| PX050102_Breastfeeding_Age_Stop_Fed_Breastmilk_Number | ||||
| PX050102020101 | How old was {SP} when {he/she/SP} completely more | N/A | ||
| PX050102_Breastfeeding_Age_Stop_Fed_Breastmilk_Unit | ||||
| PX050102020102 | How old was {SP} when {he/she/SP} completely more | N/A | ||
| PX050102_Breastfeeding_Fed_Breastmilk_Ever | ||||
| PX050102010000 | Was {SP} ever breastfed or fed breast milk? | N/A | ||