Determinants of Paternity Acknowledgement at Childbirth, Michigan Births, 1993–2006.

Notes: Relative risk ratios (RRR) from multinomial logit models are reported. Outcome base Both Parents on Birth Certificate (65.3% of all births). Outcomes: “Unm. No Pat” Unmarried, No Paternity Acknowledgement (16.5% of all births); “Pat. Ack.” Paternity Acknowledgement (18.2% of all births). The sample of analysis is the universe of births in Michigan over 1993–2006. Standard errors are robust to heteroskedasticity. “Mother is Other Race” includes unknown. Omitted categories: mother's age 20; mother's education HS; mother's race/ethnicity is white; first parity.Significance levels: *p 0.10 **p 0.05 ***p 0.01.