Sleep Disorders / 2017 / Article / Tab 6

Research Article

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

Table 6

Correlations between mothers’ nighttime and daytime variables and infants’ sleep variables.

Mother sleep variablesInfant Sleep Variables
2 months 6 months
Daytime sleep episodesNighttime sleep episodes Daytime TST Nighttime TST Daytime sleep episodesNighttime sleep episodes Daytime TST Nighttime TST

Nighttime variables
 Poor sleep quality (SSC)−.244.329−.227−0.120.202.228.000−.151
 Insomnia Severity Scale (ISI)−.043−.098−.171−0.158.056.110−.196.015
 Difficulty initiating or maintaining sleep (DIMS)
  Sleep onset problem (SSC).173.130.097−0.264.063.069−.115.055
  Sleep maintenance problem (SSC).030−.094.023−0.036.159.018−.100.222
  Waking too early (SSC)−.114−.048.1180.185.249.289.146−.197
 Nighttime TST, mother (Diary).201−.107.008.673−.105.318.216.202
 Number of nighttime sleep episodes, mother (diary).489.733−.1290.057.267.895.159−.162
Daytime variables
 Fatigue Scale (ESFS).075−.099−.0580.063−.094−.181−.223−.230
 Sleepiness Scale (EFSS).020−.127−.1300.026.285.308.361−.013
 Nonrefreshing sleep (SSC)−.072−.032−.3200.056.175.183−.231.080
 Sleep daytime variables
  Daytime TST, mother (diary).308−.149.182.602−.150.098.048.314
  Number of daytime sleep episodes, mother (diary)−.124.044.185.497−.176.218.030−.262
 Mood variables
  Depression (EPDS).075.015−.126−0.165−.059−.063−.002−.266
  Anxiety (GAD).009−.183−.151−0.053.135−.072−.022−.184

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

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