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Table 3 Mean (SD) Edinburgh Postnatal Depression Scale (EPDS) scores at 32–40 weeks gestation and 8 months postnatal among controls and cases

From: Prediction of 7-year psychopathology from mother-infant joint attention behaviours: a nested case–control study

Time EPDS score recorded

Control (n = 106)

Case (n = 53)

p-valuea

32-40 weeks gestationb

5.9 (4.0)

8.7 (6.1)

0.004

8 months postnatal

5.0 (4.6)

6.9 (5.7)

0.038

Mean of 32–40 weeks gestation and 8 months postnatal

5.4 (3.7)

7.8 (5.3)

0.005

  1. ap-values calculated using t-tests.
  2. bEPDS scores at 32–40 weeks gestation were missing for 6 controls and 2 cases.