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Add Health Codebook Explorer (ACE)

The Add Health Codebook Explorer tool allows you to see how variables are related to each other, either topically or across time. This tool helps you identify which variables you may want to use in your analysis.

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W4 : H4LB9D

See related variables

InstrumentVariableQuestion TextResponse Data
W4 H4LB9D How many weeks or days (before/after) the due date was {baby name} born (days)?
Response ValueResponse LabelFrequencyPercent
00 days541336.70
11 day7284.94
100100 days10.01
109109 days10.01
22 days10116.85
33 days10016.79
44 days6634.50
5-605 to 60 days162211.00
996refused300.20
997legitimate skip401927.25
998don't know2601.76