1. The OAI CORE Knowledgebase is working on an OAI Variable Finder where users can search through all variables used in the OAI. In the meantime, investigators can find a list of OAI variables in the Variable Guides on the NDA website: https://nda.nih.gov/oai/query_data_and_documentation  

2. Variable 1 and Variable 2 must be categorical (nominal, dichotomous, or ordinal).

3. The Subsetting Criteria relies on continuous measures

*Results may take a few moments to populate

 

Common errors:

No data found matching the specified criteria. Invalid column

• Variable 1 or 2 may be mistyped

No data found matching the specified criteria. Invalid where clause

• The subsetting criteria is beyond the range of the data (e.g., P01BMI > 100) or a categorical variable was entered

No data found matching the specified criteria

• The subsetting criteria includes a categorical variable

Expecting ',' delimiter: line 1 column 53 (char 52)

• The subsetting criteria includes a categorical variable equal to something in quotation marks