. Author manuscript; available in PMC: 2010 Aug 5.

Published in final edited form as: Int Urogynecol J Pelvic Floor Dysfunct. 2008 Oct 10;20(2):133–139. doi: 10.1007/s00192-008-0736-2

Table 1.

Characteristics of women in the study population by delivery cohort. Data presented as mean ± standard deviation or N (%)

	Vaginal Delivery with Anal Sphincter Tear (N=109)	Vaginal Delivery without Anal Sphincter Tear (N=100)	Cesarean Delivery before Labor (N=37)
				Age (years)	27.5 ± 6.2	26.3 ± 5.6	28.6 ± 7.5
				Race
Caucasian	79 (73.8)	70 (70.0)	29 (78.4)
Black	25 (23.4)	24 (24.0)	7 (18.9)
Other	3 (2.8)	6 (6.0)	1 (2.7)
Body mass index 6 months postpartum (kg/m²)	34.8 ± 7.6	34.0 ± 7.8	36.3 ± 7.0