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Table 1 Pittsburgh Sleep Quality Index (PSQI) Mean Scores at Each Timepoint

From: The effect of sleep pattern changes on postpartum depressive symptoms

Variable Six Weeks (n = 130) Seven Months (n = 122)
Global 7.11 (2.84) 5.53 (3.09)
Duration 1.02 (0.98) 0.66 (0.88)
Disturbance 1.12 (0.50) 1.02 (0.48)
Latency 0.79 (0.85) 0.73 (0.91)
Daytime Dysfunction 1.15 (0.85) 0.87 (0.75)
Efficiency 1.55 (1.14) 0.82 (0.99)
Quality 1.30 (0.67) 1.22 (0.74)
Medication Use 0.17 (0.59) 0.22 (0.65)
  1. Higher scores represent worsening sleep. Standard deviations are in parentheses