# Noncollapsibility, confounding, and sparse-data bias. Part 1: The oddities of odds

> Research article (Journal of Clinical Epidemiology, 2021) · cited 32× · AI/ML

**Wikidata**: [openalex:W3170631936](https://www.wikidata.org/wiki/openalex:W3170631936)  
**Source**: https://4ort.xyz/entity/noncollapsibility-confounding-and-sparse-data-bias-part-1-the-oddities-of-odds