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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 : H4LB9W

See related variables

InstrumentVariableQuestion TextResponse Data
W4 H4LB9W How many weeks or days (before/after) the due date was {baby name} born (weeks)?
Response ValueResponse LabelFrequencyPercent
00 weeks348423.62
11 week273418.54
1919 weeks70.05
22 weeks228215.47
2020 weeks310.21
33 weeks6884.66
44 weeks5013.40
5-185 to 18 weeks7134.83
96refused300.20
97legitimate skip401927.25
98don't know2601.76