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. Author manuscript; available in PMC: 2016 Sep 1.
Published in final edited form as: Am J Obstet Gynecol. 2015 Jun 9;213(3):429.e1–429.e9. doi: 10.1016/j.ajog.2015.06.011

Table 3.

This table demonstrates the raw values for each of the variables assessed in each cluster. The number in each space represents the percentage of women in each cluster that were found to have each specific characteristic. For example, 40.2% of women in cluster 1 were married and living with their partner (See Column one, Row 1)

Cluster 1 Cluster 2 Cluster 3 Cluster 4 Cluster 5
Married, live together 40.2% 48.6% 62.5% 54.0% 78.3%
Never married, live tog. 26.3% 19.0% 16.7% 25.4% 7.5%
Never mar'd, not live tog. 28.1% 29.9% 14.2% 15.9% 10.4%
9-12 yrs education 54.8% 53.1% 40.8% 50.8% 34.0%
13-16 yrs education 30.3% 43.2% 55.8% 30.2% 60.4%
Race=Black 19.1% 44.9% 9.2% 9.5% 0.9%
Race=Caucasian 68.8% 49.3% 85.0% 74.6% 92.5%
Hispanic (any race) 31.7% 5.8% 11.7% 46.0% 9.4%
Nulliparity 45.4% 51.0% 49.2% 36.5% 44.3%
Infection_1 3.8% 2.0% 6.7% 0.0% 50.9%
Infection_2 6.3% 5.8% 10.0% 9.5% 32.1%
Infection_3 27.2% 25.5% 25.0% 20.6% 30.2%
Infection_any 33.3% 31.0% 38.3% 28.6% 78.3%
Maternal Stress_2 44.7% 5.1% 47.5% 34.9% 32.1%
Maternal Stress_3 63.1% 25.9% 25.0% 42.9% 15.1%
Maternal Stress_any 80.7% 29.9% 49.2% 65.1% 41.5%
Hemorrhage_1 0.4% 0.0% 0.0% 0.0% 0.9%
Hemorrhage_2 12.8% 6.1% 11.7% 6.3% 53.8%
Henorrhage_3 20.0% 11.2% 29.2% 17.5% 32.1%
Hemorrhage_any 30.3% 15.3% 37.5% 23.8% 71.7%
Distension_2 26.1% 3.4% 16.7% 22.2% 14.2%
Distension_3 1.6% 4.4% 5.8% 4.8% 13.2%
Distension_any 26.7% 7.8% 22.5% 25.4% 26.4%
Cervical_1 4.0% 10.2% 7.5% 4.8% 6.6%
Cervical_2 2.9% 7.1% 6.7% 9.5% 2.8%
Cervical_3 1.6% 1.4% 3.3% 3.2% 4.7%
Cervical_any 7.4% 16.0% 15.0% 14.3% 10.4%
Placental Dysf_1 0.7% 0.3% 4.2% 3.2% 23.6%
Placental Dysf_2 2.5% 1.4% 7.5% 4.8% 42.5%
Placental Dysf_3 3.1% 0.7% 3.3% 0.0% 33.0%
Placental Dysf_any 4.9% 2.0% 9.2% 4.8% 61.3%
Mat Comorbid_1 1.1% 7.1% 4.2% 81.0% 5.7%
Mat Comorbid_2 10.3% 13.9% 21.7% 76.2% 20.8%
Mat Comorbid_any 10.6% 18.4% 23.3% 100.0% 24.5%
Familial_1 13.9% 21.4% 60.8% 17.5% 17.0%
Familial_2 10.8% 13.9% 35.8% 4.8% 7.5%
Familial_any 23.4% 29.9% 84.2% 22.2% 22.6%
PPROM_1 12.1% 34.4% 8.3% 30.2% 25.5%
PPROM_2 13.3% 19.0% 12.5% 7.9% 6.6%
PPROM_3 3.6% 6.8% 3.3% 3.2% 6.6%
PPROM_any 26.5% 53.7% 22.5% 38.1% 34.0%