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. Author manuscript; available in PMC: 2024 Mar 12.
Published in final edited form as: Am J Prev Med. 2021 Aug 24;62(1):1–8. doi: 10.1016/j.amepre.2021.06.007

Table 3.

Contrast estimates for party control in state legislatures and the governor’s party on logged state race-specific IMR

Contrast Estimate LnWIMR LnBIMR Racial Gap

Legislature Transitions

All Dem to Lower House Rep Coeff .014 .041 .029
p-value .295 .339 .410
95% CI −.013 – .041 −.044 – .126 −.041 – .099
All Dem to Upper House Rep Coeff .018 .040 .022
p-value .208 .007 .122
95% CI −.011 – .047 .011 – .069 −.006 – .049
All Dem to Both Houses Rep Coeff .026 .059 .033
p-value .030 .021 .079
95% CI .003 – .049 .009 – .109 −.004 – .069

Governor Transitions

All Dem to Governor Rep Coeff .004 .001 −.002
p-value .525 .897 .766
95% CI −.009 – .017 −.021 – .024 −.018 – .013

Legislatures and Governor Transitions

All Dem to All Rep Coeff .030 .061 .030
p-value .008 .014 .132
95% CI .008 – .052 .013 – .109 −.009 – .070

Note: All effects are derived from estimates of equation 1. The standard errors are clustered at the state level to account for arbitrary forms of within state serial correlations. “Racial Gap” refers to LnBIMR – LnWIMR. All regressions are weighted using time-constant, averaged total number of Black births in the states. The sample comprises the 32 states with enough Black population to retrieve reliable IMRs. Controls are females average age, unemployment rate, the birth rate, and time and state fixed effects. Boldface indicates statistical significance (p<0.05).