Table 1. Sociodemographic and obstetric characteristics of women.

Characteristics	n	Mean ± SD
Age	186	24.9 ± 6.1
BMI	171	29.1 ± 6.1
Parity	186	0.90 ± 1.17
Gestational age	186	39.2 ± 1.8
Education (years)	156	9.8 ± 2.7
Characteristics	n (%)
Ethnicity*
White	121 (66.1%)
Non-white	65 (33.9%)
Onset of labor
Spontaneous	132 (71%)
Induced	54 (29%)
Anaesthesia
None	38 (20.5%)
Spinal anaesthesia	148 (79.5%)
Mode of delivery
Vaginal	181 (97.3%)
Forceps	7 (3.7%)
Episiotomy
No	131 (69.4%)
Yes	55 (30.6%)

*missing 7