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