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PedNSS is a child based system with one record per child. Because a
child may have multiple visits during the reporting period, a unique child
record is created.
A software program written by the CDC creates a unique child record
by first searching multiple records to find those that have matches in the
following fields:
- State
- Sub-state
- Date of Birth
- Individual Identifier
If a child has only one record in a reporting period that record is not
modified. However, for children with multiple records in a reporting
period, one unique record is created.
The software program next selects records with valid data for each of the
health indicators shown in the following table. The program does not use
records in which data are missing, miscoded, or biologically implausible.
The unique child record that is created may contain data from all
available records for that child.
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Health Indicator |
Selection Method and Criteria
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Breastfeeding data |
Selected from the most recent record containing all of these data
for children younger than age 2. Data fields include the following:
- Currently Breastfed
- Ever Breastfed
- Number of Weeks Breastfed
- Date of Most Recent Breastfeeding Response
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Birthweight data |
Taken from one randomly selected record for
children younger than age 2.
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Anthropometric data |
Taken from one randomly selected record. Data
fields include the following:
- Height
- Weight
- Date of Height/Weight Measure
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Hematology data |
Taken from one randomly selected record for
children aged 6 months and older. Data fields include the
following:
- Hemoglobin
- Hematocrit
- Date of Hemoglobin/Hematocrit Measure
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Other data |
All other data (for example, source of data,
race/ethnicity) are taken from another randomly selected record. |
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