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. Author manuscript; available in PMC: 2016 Jan 1.
Published in final edited form as: Am J Obstet Gynecol. 2014 Jun 28;212(1):45.e1–45.e6. doi: 10.1016/j.ajog.2014.06.052

Table 1.

Demographic Variables

Characteristic Doula Group (n=106) Control Group (n=108) Significance (p)
Age (years) 24.8 ± 4.96 24.3 ± 4.99 0.48
Race/Ethnicity 84.9% African American 90.8% African American 0.18
Marital Status 86.8% single 90.8% single 0.69
BMI (kg/m2) 29.3 28.5 0.44
Gestational age (days) 62.4 ± 15.5 62.5 ± 15.3 0.96
Gravidity 3.5 ± 1.8 3.6 ± 2.2 0.89
Previous vaginal deliveries 1.3 ± 1.2 1.3 ± 1.3 0.79
Previous elective abortions 0.94 ± 1.0) 1.0 ± 1.8) 0.77
Previous dilation and curettage 1.9% 4.6% 0.27
Previous LEEP 3.8% 3.7% 0.97
Previous Cervical conization 0.9% 0.9% 0.98
Previous cervical laser ablation 0.9% 0% 0.31

Values are mean ± standard deviation or n (%).