Table 3: Results for Poisson regression (PR) model, Logit regression (LR) model, and Cox hazard model: US females, 2002-2003.

Variables

PR model

LR model

Cox hazard model

Coef.

S.E.

Coef.

S.E.

Coef.

S.E.

Cultural inheritance variable

Same religion

0.10** (1.11)

0.03

0.22* (1.25)

0.13

0.19*** (1.21)

0.05

Demographic factors

Age

0.05*** (1.05)

0.00

0.03** (1.03)

0.01

−0.07*** (0.93)

0.00

Race (ref. = white)

Hispanic

0.24*** (1.27)

0.03

−0.43*** (0.65)

0.14

0.28*** (1.32)

0.06

Non-Hispanic black

0.22*** (1.25)

0.05

−1.57*** (0.21)

0.17

0.11*** (1.11)

0.07

Non-Hispanic other

0.15* (1.16)

0.07

−0.85*** (0.43)

0.30

−0.03* (0.97)

0.09

Number of times R married

0.19*** (1.21)

0.02

2.26*** (9.58)

0.18

−0.26*** (0.77)

0.04

Socioeconomic factors

Highest degree R ever earned

−0.06*** (0.94)

0.01

0.15*** (1.16)

0.03

−0.03** (0.97)

0.01

Total combined family income

−0.01** (0.99)

0.01

0.10*** (1.11)

0.01

0.01 (1.01)

0.01

If R ever worked full time for 6+ months

−0.02 (0.98)

0.02

0.08* (1.08)

0.04

0.06*** (1.06)

0.02

Family background characteristics

Father’s education

−0.02 (0.98)

0.02

0.06 (1.06)

0.05

0.04* (1.04)

0.02

If R lived in an intact family from birth to the age of 18

−0.01 (0.99)

0.03

0.36** (1.43)

0.13

−0.03 (0.97)

0.04

Proximate determinants

If ever used birth control methods

0.31** (1.36)

0.12

−0.22 (0.80)

0.33

0.59*** (1.80)

0.14

If R ever had sterilization operation

0.33*** (1.39)

0.04

−1.05 (0.35)

0.15

0.34*** (1.40)

0.05

Constant

−0.77***

0.21

−7.54***

0.58

—

—

6,020

4,661

2,528

LR

—

—

584.01

Prob >

0.0000

0.0000

0.0000

0.0000

0.0000

0.0000

Sources: derived from NSFG Cycle 6 female dataset, 2002-2003 [46]. Variables foreign born, metropolitan residence, and mother’s education are dropped from models due to nonsignificant regression coefficients. *Significant at , **, ***, one-tailed test. Numbers in parentheses are the exponentiated forms of the coefficients.