. Author manuscript; available in PMC: 2014 Aug 1.

Published in final edited form as: Popul Res Policy Rev. 2013 Mar 19;32(4):585–610. doi: 10.1007/s11113-013-9276-7

Table 3.

Additive, partially-interactive, and fully-interactive models of fertility

	Additive Model	Partially-interactive Model	Fully-interactive Model
	Additive Model	Partially-interactive Model	1st parity	2nd parity	3rd+ parity
Age 15–19 (ref.)
Age 20–24	0.52 ^***	0.52 ^***	0.45 ^***	−0.10	0.44
Age 25–29	0.24 ^**	0.42 ^***	0.17	−0.45 ^**	−0.21
Age 30–34	0.01	0.43 ^***	0.11	−0.66 ^***	−0.58
Age 35–39	−0.79 ^***	−0.18	−0.53 ^**	−1.18 ^***	−1.63 ^***
Age 40–44	−2.63 ^***	−1.93 ^***	−2.31 ^***	−2.83 ^***	−3.67 ^***
First Parity (ref.)
Second Parity	0.65 ^***	1.32 ^***
× 20–24		−0.59 ^***
x 25–29		−0.84 ^***
× 30–34		−1.04 ^***
× 35–39		−0.96 ^***
× 40–44		−0.85
Third+ parity	−0.17 ^**	0.60
× 20–24		−0.16
× 25–29		−0.81 ^*
× 30–34		−1.22 ^**
× 35–39		−1.69 ^***
× 40–44		−1.95 ^**
Protestant (ref.)
No Religion	−0.04	−0.05	0.00	−0.11	−0.09
Catholic	−0.09	−0.09	−0.20 ^**	0.02	0.16
Other Religion	0.02	0.04	−0.19 ^*	0.06	0.71 ^***
Black (vs. NH-white)	0.55 ^***	0.52 ^***	0.75 ^***	0.12	0.34 ^***
Years of Education	0.00	0.00	−0.02	0.03	0.03
Married	1.24 ^***	1.21 ^***	1.84 ^***	0.85 ^***	0.23 ^*
Intercept	−3.38 ^***	−3.41 ^***	−3.29 ^***	−2.16 ^***	−2.74 ^***
N	120,825	120,825	78,428	20,096	22,301

Model Comparisons	df	Chi-square	p-value
Partially-interactive vs. Additive	10	290	0.000 ^***
Fully-interactive vs. Partially-interactive	10	656	0.000 ^***

p<0.05

^**

p<0.01

^***

p<0.001

Data and Sample: See Table 1.