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Research Article

Sleep in the Postpartum: Characteristics of First-Time, Healthy Mothers

Table 5

Correlations of depression and anxiety with mothers’ daytime and sleep characteristics and with infants’ sleep characteristics.

2 months6 months
Depression (EPDS)Anxiety (GAD-7)Depression (EPDS)Anxiety (GAD-7)

Nighttime variables
 Poor sleep quality (SSC).452.449.130.431
 Insomnia Severity Scale (ISI).642.584.287.488
 Difficulty initiating or maintaining sleep (DIMS)
  Sleep onset problem (SSC).338.182.111.374
  Sleep maintenance problem (SSC).490.398.024.157
  Waking too early (SSC).144.178.126−.029
 Nighttime TST, mother (diary)−.176−.039.354.315
 Nighttime TST, infant (diary)−.165−.053−.266−.184
 Number of nighttime sleep episodes, mother (diary)−.068−.250−.014.086
 Number of nighttime sleep episodes, infant (diary).015−.183−.063−.072
Daytime variables
 Fatigue Scale (EFSS).536.542.417.506
 Sleepiness Scale (EFSS).304.484.389.300
 Nonrefreshing Sleep (SSC).523.450.210.354
 Sleep daytime variables
  Daytime TST, mother (diary).148.026.085−.144
  Daytime TST, infant (diary)−.126−.151−.002−.022
  Number of daytime sleep episodes, mother (diary)−.033−.128.091−.186
  Number of daytime sleep episodes, infant (diary).075.009−.059.135

Note. Significant correlation coefficients are bolded; ; ; ; .

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