Table 2

Parameter estimates for the 2001 sample populations

Birth Cohort

z = 0

z = 1

z = 0

z = 1

Eur. Am. F.

Af. Am. F.

Eur. Am. M.

Af. Am. M.






ηs, 0

-2.75

-2.62

ηs, 1

0.46

0.35

μs, 0

2678

2739

μs, 1

-639

-706

σs, 0

1098

1098

σs, 1

205

238

μp, 0

3380

3509

μp, 1

-211

-221

σp, 0

455

474

σp, 1

0+

-2+


A*s, 0

-7.12

-7.11

B*s, 0

1.06

1.29

C*s, 0

0.77

0.68

A*s, 1

-1.73

-0.83+

B*s, 1

0.36+

0.11+

C*s, 1

0.54

0.62

A*p, 0

-6.85

-6.57

B*p, 0

0.97

1.22

C*p, 0

0.25

0.20

A*p, 1

0.75

0.69

B*p, 1

-0.15+

-0.44

C*p, 1

0.01+

0.05+


Eur. = European; Af. = African; Am. = American; F. = females; M. = males

+: = not significantly different from zero based on the bias-adjusted 95% CI

Gage et al. BMC Pregnancy and Childbirth 2010 10:86   doi:10.1186/1471-2393-10-86

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