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Table 4 Weighted proportions and means for family biological relatedness by union status: NHIS 1997–2012 (n = 89,435)

From: Sample Errors Call Into Question Conclusions Regarding Same-Sex Married Parents: A Comment on “Family Structure and Child Health: Does the Sex Composition of Parents Matter?”

  Same-Sex Opposite-Sex
Married
(n =72)
Cohabiting
(n = 439)
Married
(n =153,313)
Cohabiting
(n =17,960)
Gamma (same-sex)    –0.97 0.98
Family Relatedness (biological parentage)     
Two biological parents 0*** 0*** 85.4 68.4***
One biological parent 76.2*** 79.4*** 13.2 30.9***
No biological parents 23.8** 20.6*** 1.3 0.7***
  1. Notes: Same-sex married cases embargoed by CDC because of probable assignment errors (2004–2007 second quarter) are excluded. Asterisks indicate significance of t test for difference from the reference group.
  2. **p < .01; ***p < .001