Table 3.

Means and Standard Deviations of Independent Variables

	Mean	Standard Deviation
Variables that are Time-Constant or Updated only at Wave 2
Wife 3 or more Years Older than Husband (0,1)	0.073	0.260
Wife’s Age at Marriage in Years	23.486	5.779
Children present that are not husband’s (0,1)	0.073	0.260
Children present that are not wife’s (0,1)	0.186	0.389
Premarital conception of first birth to couple (0,1)	0.142	0.349
Wife’s Education (< high school = reference)
High School Graduate	0.391	0.488
Some College	0.231	0.421
College Degree	0.250	0.433
Husband’s Education (< high school = reference)
High School Graduate	0.347	0.476
Some College	0.226	0.419
College Degree	0.250	0.433
Either wife or husband Black (0,1)	0.091	0.288
Husband from disrupted household (0,1)	0.203	0.402
Wife from disrupted household (0,1)	0.225	0.418
Wife previously divorced (0,1)	0.196	0.397
Husband previously divorced (0,1)	0.204	0.403
Wife ever cohabited (0,1)	0.300	0.458
Husband ever cohabited (0,1)	0.320	0.467
Wife’s Better Off Divorced Scale	−0.050	1.047
Husband’s Better Off Divorced Scale	−0.010	1.047
Variables that are Time-Varying to the Month
Marriage Duration in century months	213.060	122.157
Number and Age of Children
Number of children 0 to 1	0.133	0.362
Number of children 2 to 5	0.286	0.557
Number of children 6 to 12	0.525	0.797
Number of children 13 to 18	0.451	0.747
# months wife employed in previous 2 years, lagged 1 year	16.341	10.343
# months husband employed in previous 2 years, lagged 1 year	19.831	8.530

Note: Units of analysis are couple/years.