Table 3.

Odds ratios from discrete-time hazard models of second conceptions including proportion of respondents cohabiting at first birth, women aged 15−49 who had a first birth in a union between 1985 and 2000, pooled model of 15 countries

	Baseline model	Proportion cohabiting at first birth	Proportion cohabiting at first birth with square
Cohabiting	0.604*** (−6.37)	0.688* (−1.97)	0.299*** (−3.81)
Married, previously cohabiting	1.123 (0.84)	1.121 (0.82)	1.120 (0.81)
Proportion cohabiting at first birth		0.967 (−1.88)	1.043 (1.13)
Proportion cohabiting at first birth, squared			0.999 (−1.58)
Proportion cohabiting at first birth × continuously cohabiting		0.997 (−0.75)	1.050** (3.01)
Proportion cohabiting at first birth squared ×  continuously cohabiting			0.999*** (−3.42)
N (person months)	1,208,486	1,208,486	1,208,486
χ2	6,345.2	6,346.0	6,350.7

Exponentiated coefficients; t statistics in parentheses

^* p < 0.05, ^** p < 0.01, ^*** p < 0.001

Controls include variables from previous model interacted with country. Full model available upon request