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

Indicator		With amendment	Without amendment	Rate ratio*	p Value†	Without amendment excluding the FD	Rate ratio‡	p Value§	FD	Rate ratio¶	p value**
MMR	By residence	40.5	41.6	0.9413	0.347	41.4	0.9792	0.514	43.3	0.9357	0.310
	By occurrence	40.0	41.2	0.9031	0.114	40.6	0.9856	0.657	56.1	0.7124	<0.001
MMRAO	By residence	2.8	3.2	0.7728	0.273	3.1	0.8959	0.361	3.8	0.7379	0.175
	By occurrence	2.9	3.2	0.8134	0.378	3.0	0.9475	0.656	4.3	0.6663	0.039
iAMR	By residence	0.9	1.3	0.5360	0.042	1.3	0.6522	0.037	1.1	0.7750	0.538
	By occurrence	0.9	1.3	0.5338	0.043	1.3	0.6717	0.054	1.4	0.6014	0.138
Proportion of induced abortion-related deaths	By residence	2.1%	3.1%	††	0.041	3.2%	††	0.030	2.6%	††	0.649
	By occurrence	2.2%	3.2%	††	0.048	3.2%	††	0.063	2.6%	††	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; MMR_AO, MMR with abortive outcome.