Table 4

Comparative analysis of average mortality outcomes by residence and occurrence for groups of states with or without constitutional amendment protecting the unborn from conception, 2008–2011

IndicatorWith amendmentWithout amendmentRate ratio*p Value†Without amendment excluding the FDRate ratio‡p Value§FDRate ratio¶p value**
MMRBy residence40.541.60.94130.34741.40.97920.51443.30.93570.310
By occurrence40.041.20.90310.11440.60.98560.65756.10.7124<0.001
MMRAOBy residence2.83.20.77280.2733.10.89590.3613.80.73790.175
By occurrence2.93.20.81340.3783.00.94750.6564.30.66630.039
iAMRBy residence0.91.30.53600.0421.30.65220.0371.10.77500.538
By occurrence0.91.30.53380.0431.30.67170.0541.40.60140.138
Proportion of induced abortion-related deathsBy residence2.1%3.1%††0.0413.2%††0.0302.6%††0.649
By occurrence2.2%3.2%††0.0483.2%††0.0632.6%††0.625
  • *Z-test rate ratio between states with and without amendment.

  • †Z-test p value between states with and without amendment.

  • ‡Z-test rate ratio between states with and without amendment, excluding the FD.

  • §Z-test p value between states with and without amendment, excluding the FD.

  • ¶Z-test rate ratio between states with amendment and the FD.

  • **Z-test p value between states with amendment and the FD.

  • ††Not applicable.

  • FD, Federal District (Distrito Federal); iAMR, induced abortion mortality ratio; MMR, maternal mortality ratio; MMRAO, MMR with abortive outcome.