Table 2 Univariable analysis assessing relationship between prenatal, labor and delivery variables and EPDS score at 6 weeks postpartum, among women planning and receiving labor epidural analgesia (n = 55)

 Age (years)

0.01

−0.19 to 0.31

0.62

 American Indian

0.001

−6.94 to 5.81

0.86

 Asian

0.002

−3.83 to 5.35

0.74

 African American

0.07

0.10 to 6.30

0.04*

 White

0.07

−5.82 to −0.08

0.05

 Other

0.01

−11.49 to 6.31

0.56

 Hispanic ethnicity

0.01

−6.32 to 2.88

0.46

 Estimated gestational age (weeks)

0.02

−1.46 to 0.51

0.34

 Gravidity

0.06

−0.21 to 3.51

0.08

 Duration of labor (hours)

0.02

−0.06 to 0.22

0.26

 Cervical exam at time of epidural request (cm)

0.01

−0.89 to 0.38

0.43

 Mode of Delivery

NS

NS

NS

 Perineal lacerations

NS

NS

NS

  Breastfeeding Postpartum 1–2 Days

−2.54 to 7.98

0.30

  Breastfeeding Postpartum 6 Weeks

−5.34 to 1.89

0.34

 History of Anxiety or Depression

0.20

1.98 to 4.55

0.0007*

 History of Mental Illness

0.09

0.61 to 7.90

0.02*

 Baseline Depression Score

0.24

0.27 to 0.79

0.0002*

 Anxiety-State

0.20

0.09 to 0.29

0.0005*

 Anxiety-Trait

0.19

0.08 to 0.29

0.001*

 High Negative Affect

0.09

0.42 to 6.32

0.03*

 Moderate Negative Affect

0.01

−1.69 to 3.89

0.43

 Low Negative Affect

0.11

−5.16 to −0.59

0.01*

 Pain Catastrophizing

0.03

−0.05 to 0.22

0.24

 Resiliency

0.03

−0.30 to 0.08

0.24

 Perceived Stress Scale

0.08

−0.02 to 1.0

0.06

 Perceived Social Support

0.17

−2.77 to −0.67

0.002*

 Employment Status

NS

NS

NS

 Marital Status

NS

NS

NS