All | Male | Female | |
---|---|---|---|
Intercept | − 0.08281 (0.10016) | −0.04778 (0.13778) | − 0.17597 (0.14558) |
Sex | |||
Male | −0.029919** (0.01332) | ||
Season of birth | |||
Summer | −0.00638 (0.01862) | 0.01771 (0.02630) | −0.02615 (0.02648) |
Fall | 0.01486 (0.01911) | 0.04673 (0.02697) | −0.01134 (0.02722) |
Winter | 0.02413 (0.01904) | 0.05898** (0.02663) | −0.00299 (0.02742) |
Race/ethnicity | |||
Black | −0.15778*** (0.01900) | −0.15603*** (0.02694) | − 0.15872*** (0.02693) |
Hispanic | 0.02463 (0.01911) | −0.01687 (0.02655) | 0.07047*** (0.02766) |
Education level | |||
High school | 0.06315*** (0.02426) | 0.07253** (0.03362) | 0.06075 (0.03516) |
Associate | 0.08972*** (0.03024) | 0.09373** (0.04192) | 0.09388** (0.04389) |
College | 0.17706*** (0.03251) | 0.18069*** (0.04528) | 0.17989*** (0.04689) |
Graduate school | 0.12838*** (0.03814) | 0.15141*** (0.05341) | 0.12364** (0.05490) |
Other degree | 0.09544*** (0.03423) | 0.12936*** (0.04638) | 0.06717 (0.05106) |
Test score | |||
ASVAB math | 0.00002909*** (0.00000329) | 0.00003529*** (0.00000459) | 0.00002312*** (0.00000473) |
Mother’s lifestyle factors at the birth of the child | |||
Hours worked for pay | −0.00001909** (0.00000826) | − 0.00002505** (0.00001141) | − 0.00001659 (0.00001203) |
Income | −2.07899E−9 (8.716857E-8) | 6.977359E-8 (1.135965E-7) | -9.3693E-8 (1.36012E-7) |
Married at birth | 0.12916*** (0.01767) | 0.11193*** (0.02487) | 0.14640*** (0.02525) |
Age of Mother at first birth at first birth | 0.01277*** (0.00228) | 0.00834*** (0.00317) | 0.01748*** (0.00328) |
Age of mother at birth | |||
10–19 | −0.14574*** (0.03765) | −0.16846*** (0.05308) | − 0.11983** (0.05354) |
20–29 | −0.06302*** (0.02413) | − 0.07647** (0.03413) | −0.04370 (0.03420) |
Birth order of the child | |||
Firstborn | 0.06680*** (0.02162) | 0.11528*** (0.03044) | 0.01390 (0.03081) |
Youngest | −0.01997 (0.02065) | − 0.02675 (0.02883) | − 0.01227 (0.02971) |
Projected number of children | |||
Ideal family size desired as a teen | 0.01716*** (0.00455) | 0.02229*** (0.00642) | 0.01155 (0.00648) |
Number of kids ever born | |||
Two children | 0.04167** (0.03234) | 0.08329 (0.04556) | 0.00623 (0.04615) |
Three children | 0.08172*** (0.03743) | 0.11874** (0.05245) | 0.05382 (0.05367) |
Four children | 0.12557*** (0.04236) | 0.16888*** (0.05927) | 0.08925 (0.06083) |
5+ children | 0.12147*** (0.04670) | 0.16233*** (0.06572) | 0.08668 (0.06662) |
Decade of child’s birth | |||
1970’s | −0.01661 (0.06130) | −0.11029 (0.08628) | 0.07577 (0.08751) |
1980’s | −0.01837 (0.05019) | −0.07025 (0.07039) | 0.03615 (0.07188) |
1990’s | −0.00959 (0.04550) | −0.06460 (0.06390) | 0.04888 (0.06502) |
Regression statistics | |||
Adjusted R2 | 0.2240 | 0.2330 | 0.2174 |
n | 4400 | 2251 | 2149 |