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Table 2 Bivariate and Multivariable Associations between IPV during pregnancy, baseline covariates and symptoms of PPD at follow-up

From: Intimate partner violence victimization during pregnancy increases risk of postpartum depression among urban adolescent mothers in South Africa

 

Model 1a

Model 2b

 

RR (95% CI)

p-value

RR (95% CI)

p-value

IPV during pregnancy

1.50 (0.97, 2.31)

0.07

1.62 (1.06, 2.49)

0.03

Age (in years)

1.06 (0.89, 1.27)

0.51

0.99 (0.82, 1.20)

0.95

SES

    

 Low

Ref.

 

Ref.

 

 Middle

1.12 (0.68, 1.86)

0.65

1.04 (0.66, 1.64)

0.86

 High

1.16 (0.64, 2.09)

0.63

1.13 (0.60, 2.14)

0.71

HIV-positive

1.31 (0.83, 2.08)

0.24

1.33 (0.82, 2.18)

0.25

STI diagnosis

0.77 (0.39, 1.51)

0.45

1.00 (0.54, 1.85)

0.99

Perceived Social Support Score

0.92 (0.62, 1.37)

0.69

0.93 (0.60, 1.44)

0.75

Two children at time of delivery

1.08 (0.56, 2.10)

0.82

0.96 (0.50, 1.83)

0.9

Symptoms of PPD within 4 weeks postpartum

2.23 (1.18, 4.22)

0.01

2.49 (1.31, 4.72)

0.01

Attended at least 1 intervention session

0.89 (0.56, 1.40)

0.61

0.82 (0.49, 1.38)

0.46

Timing between baseline and follow-up (in weeks)

0.98 (0.82, 1.15)

0.77

0.91 (0.78, 1.07)

0.27

  1. IPV intimate partner violence
  2. PPD postpartum depression
  3. RR risk ratios
  4. aModel 1: Bivariate associations
  5. bModel 2: Multivariable associations