Table 4.

Estimates from models for migration

Variable	Single process		Multi process
	Coeff.	O.R.	Coeff.	O.R.
Marriage
Married 1 year before migration	.60 (.16) ***	1.82	.28 (.08) **	1.33
Total number of marriages	−.08 (.05)†	.92	−.01 (.02) ns	.99
Duration
Duration to migration	−.11 (.02) ***	.90	−.09 (.01) ***	.91
Squared duration to migration	.01 (.00) **	1.01	.01 (.00) ***	1.01
Cubical duration to migration	−.00 (.00) ***	1.00	−.00 (.00) ***	1.00
Individual characteristics
Female	−.06 (.04) ns	.94	−.05 (.02) **	.95
Black	−.49 (.04) ***	.61	−.21 (.02) ***	.81
Hispanic	−.31 (.05) ***	.73	−.14 (.02) ***	.87
High school or equivalent	.52 (.04) ***	1.69	.26 (.02) ***	1.29
College or more	.27 (.04) ***	1.31	.18 (.02) ***	1.20
Employed part-time	.21 (.04) **	1.24	.11 (.02) ***	1.12
Employed full-time	−.35 (.05) ***	.70	−.15 (.02) ***	.86
Living in metro areas	−.20 (.04) ***	.82	−.09 (.02) ***	.92
Giving a birth	−.04 (.08) ns	.96	−.04 (.04) ns	.97
Total number of children	−.13 (.02) ***	.88	−.04 (.01) ***	.97
Household characteristics
R lived in an intact family until age 18	−.17 (.03) ***	.84	−.08 (.01) ***	.92
Mom’s education	.05 (.01) ***	1.05	.02 (.00) ***	1.02
County characteristics
Sex ratio (%)	−.00 (.01) ns	1.00	−.00 (.00) ns	1.00
Population with a college degree/higher (%)	.02 (.00) ***	1.02	.01 (.00) ***	1.01
Unemployment rates (%)	.01 (.01) ns	1.01	.00 (.00) ns	1.00
Poverty rates (%)	.01 (.00) ***	1.01	.00 (.00) ***	1.00
Crime rates (%)	−.01 (.00) ns	.99	−.00 (.00) ns	1.00
Intercept	−2.90 (.49) ***	.06	−1.31 (.19) ***	.27
Log likelihood	−22900.9		−46092.4
Wald Chi2 (22)	1709.5		4303.4
Person-years	87,931
Number of observations	7,827

Notes: Numbers in parentheses are standard errors.

^ns= not significant,

^†p≤. 10,

^*p≤.05,

^**p≤.01,

^***p≤.001