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Retrospective Study
©The Author(s) 2026.
World J Psychiatry. Feb 19, 2026; 16(2): 113101
Published online Feb 19, 2026. doi: 10.5498/wjp.v16.i2.113101
Table 3 Comparison of psychosocial and infant-related factors between the postpartum depression and non-postpartum depression groups, n (%)
Variables
PPD group (n = 59)
Non-PPD group (n = 317)
Statistics
P value
Postpartum stressful events
    Any stressful event18 (30.5)44 (13.9)χ2 = 10.730.001b
    Family conflict11 (18.6)23 (7.3)χ2 = 8.340.004b
Sleep quality
    PSQI score, mean ± SD11.5 ± 3.38.2 ± 2.7t = 8.45< 0.001a
    Poor sleep quality (PSQI > 7)48 (81.4)151 (47.6)χ2 = 22.78< 0.001a
    Difficulty falling asleep40 (68.5)131 (41.2)χ2 = 14.56< 0.001a
    Sleep maintenance problems34 (56.8)106 (33.4)χ2 = 9.870.002b
    Early morning awakening27 (45.8)82 (25.9)χ2 = 8.420.004b
Infant care difficulties
    Any infant care difficulty36 (61.0)122 (38.5)χ2 = 10.960.001b
    Breastfeeding difficulties26 (43.5)85 (26.7)χ2 = 7.040.008b
    Infant sleep regulation problems32 (54.2)111 (35.1)χ2 = 8.640.003b
Maternal adaptation
    Poor maternal role adaptation28 (47.5)81 (25.6)χ2 = 12.34< 0.001a
    Mother-infant bonding difficulties21 (35.6)58 (18.3)χ2 = 9.120.003b
Infant characteristics
    Male gender31 (52.5)164 (51.7)χ2 = 0.010.915
    Birth weight (g), mean ± SD3214 ± 4623278 ± 433χ2 = 1.030.305
    Preterm birth5 (8.5)21 (6.6)χ2 = 0.270.602
    Congenital anomalies2 (3.4)7 (2.2)Fisher's exact0.639


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