Skip to main content
. 2020 Oct 8;17(19):7331. doi: 10.3390/ijerph17197331

Table 2.

Results of Negative Binomial Regression of Incarceration Exposure on Number of Prenatal Care Barriers (N = 194,600).

Variables Model 1 Model 2
IRR 95% CI IRR 95% CI
Incarceration Exposure 2.484 *** (2.267, 2.721) 1.558 *** (1.416, 1.714)
Maternal Age
17 or Younger (Reference) - - - -
18–24 0.904 (0.804, 1.016)
25–29 0.788 *** (0.695, 0.893)
30–34 0.695 *** (0.608, 0.795)
35+ 0.687 *** (0.595, 0.794)
Maternal Race/Ethnicity
White (Reference) - - - -
Hispanic 1.191 *** (1.108, 1.281)
Black 1.103 ** (1.032, 1.180)
Other Race/Ethnicity 1.552 *** (1.432, 1.683)
College Graduate 0.867 *** (0.806, 0.932)
Currently Married 0.848 *** (0.797, 0.901)
Number of Prior Births
0 (Reference) - - - -
1 0.949 (0.896, 1.006)
2 1.017 (0.947, 1.092)
3+ 1.263 *** (1.153, 1.384)
Pregnancy Planned 0.523 *** (0.495, 0.552)
Income Levels
Less than $10,000 (Reference) - - - -
$10,000–$14,999 1.020 (0.923, 1.129)
$15,000–$19,999 0.897 (0.796, 1.012)
$20,000–$24,999 0.837 *** (0.770, 0.910)
$25,000–$34,999 0.733 *** (0.672, 0.799)
$35,000–$49,999 0.611 *** (0.553, 0.676)
$50,000 or Greater 0.324 *** (0.296, 0.356)
Constant 0.535 *** (0.468, 0.612) 1.093 (0.910, 1.313)
State Dummy Variables Yes Yes
Year Dummy Variables Yes Yes

*** p < 0.001, ** p < 0.01, p < 0.10.