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. Author manuscript; available in PMC: 2013 Jun 1.
Published in final edited form as: Soc Sci Med. 2011 Sep 10;74(11):1703–1711. doi: 10.1016/j.socscimed.2011.08.018

Table 2.

Cohort Differences in Women’s Weighted Log-Odds of Birth vs. No Birth before Age 21-23 by BMI, NLSY79

Model 1 Model 2
Cohort 1a
(n=2,029)		 Cohort 2b
(n=1,948)		 Cohort 1
(n=2,029)		 Cohort 2
(n=1,948)
B
(se)		 b
(se)		 b
(se)		 b
(se)
BMI weight
category
(age 21-23)
Underweight −.043
(.209)		 .336
(.225)		 .025
(.250)		 .373
(.275)
Normal weight
Overweight .679 ***
(.172)		 .322 *
(.160)		 .382
(.209)		 −.022
(.183)
Obese .021
(.239)		 .656 **
(.214)		 −.934 **c
(.352)		 .191 c
(.255)
Race/ethnicity
White
Black 1.277 ***
(.140)		 .998 ***
(.138)
Hispanic .084
(.202)		 −.017
(.189)
Years of education −.662 ***
(.059)		 −.600 ***
(.058)
Mother’s years of
education		 −.015
(.030)		 −.060 *
(.028)
Age of 1st
menarche		 −.051
(.048)		 −.043
(.041)
Intercept −.803 ***
(.068)		 −.918 ***
(.073)		 8.182 ***
(.978)		 7.715 ***
(.847)
*

p<0.05;

**

p<0.01;

***

p<0.001.

a

Cohort 1 is observed at age 21-23 in 1981.

b

Cohort 2 is observed at age 21-23 in 1986.

c

Denotes a statistically significant difference between Cohort 1 & 2 (p<.05)