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Table 4 Multivariate analyses of covariance of number of types of intimate partner abuse predicting postpartum mental health problems

From: Intimate partner abuse before and during pregnancy as risk factors for postpartum mental health problems

   Univariateb
  Multivariatea Stress Anxiety Depression OCD PTSD
  F ηp 2 F ηp 2 F ηp 2 F ηp 2 F ηp 2 F ηp 2
Model 1             
Intimate partner abuse before pregnancy             
 Number of types 1.76 .11 4.21* .10 1.05 .03 1.16 .03 5.63** .13 3.41* .08
Covariates             
 Education 0.48 .03 0.03 .00 1.73 .02 0.68 .01 0.16 .00 0.20 .00
 Annual income 2.40* .14 0.18 .00 3.43 .04 0.00 .00 0.13 .00 2.64 .03
 Relationship status 1.96 .12 2.84 .04 1.40 .02 3.16 .04 0.90 .01 7.25** .09
Model 2             
Intimate partner abuse during pregnancy             
 Number of types 3.51*** .20 5.94** .13 1.68 .04 2.59 .06 11.46*** .23 7.91** .17
Covariates             
 Education 0.53 .03 0.00 .00 1.81 .02 0.65 .01 0.16 .00 0.04 .00
 Income 2.27 .14 0.32 .00 2.69 .03 0.09 .00 0.55 .01 2.28 .03
 Relationship Status 3.24* .18 8.19** .10 3.08 .04 6.24* .08 0.35 .00 15.98*** .17
  1. Note. Intimate partner abuse variables are the categorical predictors (0, 1, 2 or 3). Postpartum mental health variables are the continuous outcomes. OCD = obsessive-compulsive disorder. PTSD = posttraumatic stress disorder. Multivariate F ratios were generated from Wilks’ Lambda’s statistic. aMultivariate df = 5, 72. bUnivariate df = 1, 76. ηp 2 = partial eta-squared. *p < .05. **p < .01. ***p < .001.