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. Author manuscript; available in PMC: 2017 Sep 1.
Published in final edited form as: Am J Obstet Gynecol. 2016 Mar 26;215(3):364.e1–364.e10. doi: 10.1016/j.ajog.2016.03.040

Table 4.

Homicide and Suicide among pregnant/postpartum women and non-pregnant/non-postpartum women by potential degrees of misclassification.

%

Misclassification

assumption		 Number
of non-
obstetric
related
deaths		 Number of
Homicides		 Homicides
per
100,000
population		 RR (95% CI) Number
of
Suicides		 Suicides per
100,000
population		 RR (95% CI)
0% (unadjusted)
Pregnant/postpartum 2,346 364 2.2 0.82 (0.74, 0.91) 263 1.6 0.29 (0.25, 0.32)
Non-pregnant/non-postpartum 443,163 9,443 2.6 Ref 19,486 5.5
Expected
Number of
Homicidesa 		Expected
Number
of
Suicidesb
25% Pregnant/postpartum 3,128 485 2.9 1.11 (1.01, 1.21) 351 2.1 0.38 (0.35, 0.43)
Non-pregnant/non-postpartum 442,381 9,322 2.6 Ref 19,398 5.4 Ref
53% c
Pregnant/postpartum 5,024 779 4.7 1.84 (1.71, 1.98) 563 3.4 0.62 (0.57, 0.68)
Non-pregnant/non-postpartum 440,485 9,028 2.5 Ref 19,186 5.4 Ref
65% d
Pregnant/postpartum 6,703 1,040 6.2 2.53 (2.37, 2.69) 751 4.5 0.84 (0.78, 0.91)
Non-pregnant/non-postpartum 438,806 8,767 2.5 Ref 18,998 5.3 Ref
a

Based on the proportion of non-obstetric deaths due to homicide observed in the data among women reported as pregnant/postpartum (15.5%) and not pregnant/unknown (2.1%).

b

Based on the proportion of non-obstetric deaths due to suicide observed in the data among women reported as pregnant/postpartum (11.2%) and not pregnant/unknown (4.4%)

c

Horon and Cheng 2011.22

d

Fildes et al. 1992.8