Table 2.

Maximum likelihood estimates from the log-logistic model of time to first childbirth

	(1)	(2)	(3)	(4)	(5)
Agreeableness	−0.067***		−0.051***		−0.044***
	(0.009)		(0.009)		(0.009)
Conscientiousness	0.017		0.016		0.012
	(0.009)		(0.009)		(0.009)
Extroversion	−0.032***		−0.044***		−0.043***
	(0.009)		(0.009)		(0.008)
Neuroticism	−0.025**		−0.024**		−0.021*
	(0.008)		(0.008)		(0.008)
Openness	0.103***		0.075***		0.056***
	(0.009)		(0.009)		(0.009)
Educationa
A-levels		0.168***		0.113***	0.099***
		(0.026)		(0.026)	(0.026)
Above A-levels		0.317***		0.229***	0.202***
		(0.017)		(0.018)	(0.019)
Family background and birth cohort	No	No	Yes	Yes	Yes
Constant	5.117***	4.944***	5.072***	4.974***	4.983***
	(0.008)	(0.012)	(0.029)	(0.030)	(0.030)
ln gam constant	−1.050***	−1.068***	−1.081***	−1.087***	−1.096***
	(0.013)	(0.013)	(0.013)	(0.013)	(0.013)
Observations	5754	5754	5754	5754	5754

Family background includes: intact family, sibs, mother’s education, dummies for area lived in childhood

Standard errors in parentheses

* p < 0.05; ** p < 0.01; *** p < 0.001

^aReference category = below A-levels