Ctrl-Mom-Hybrid | National Institute of Environmental Health Sciences Skip Navigation Ctrl-Mom-Hybrid Close the left navigation Add This archive provides information for fitting log-linear models and carrying out statistical tests for a hybrid design that includes a sample of affected individuals and their parents and a sample of unaffected individuals and their mothers (case-parent triad/control-mother dyad design), as described in the paper "A hybrid design: case-parent triads supplemented by control-mother dyads" by S.H. Vermeulen, M. Shi, C.R. Weinberg, and D.M. Umbach. Added March 28, 2008. ctrl-mom-hybrid (46KB) is the ZIPPED file containing 28 items, including a README document. Contact Min Shi, M.D., Ph.D. Staff Scientist Tel 984-287-3720 [email protected] David M. Umbach, Ph.D. Staff Scientist Tel 984-287-3703 [email protected] Clarice R. Weinberg, Ph.D. Principal Investigator Tel 984-287-3697 [email protected] Back to Top Last Reviewed: December 31, 2025