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Table 5 Stepwise multiple regression analysis explaining mothers’ depression from sleep quality, fatigue, and sleep cognitions

From: Relationships between parental sleep quality, fatigue, cognitions about infant sleep, and parental depression pre and post-intervention for infant behavioral sleep problems

  Unstd B (SE) t Sig. 95% CI for B Cumulative R2
Baseline (N = 231)
 Constant −11.63 (2.10) −5.53 <.001 [−15.77, −7.48]  
 MAF .48 (.08) 6.28 <.001 [.33, .63] .31
 Sleep doubt .44 (.13) 3.49 .001 [.19, .69] .42
 PSQI .52 (.17) 3.12 .002 [.19, .85] .46
 Sleep anger .69 (.13) 5.52 <.001 [.44, .94] .48
Follow-up (N = 185)
 Constant -.92 (1.26) -.73 .467 [−3.41, 1.57]  
 MAF .25 (.06) 4.27 <.001 [.14, .37] .28
 PSQI .76 (.18) 4.26 <.001 [.41, 1.12] .34
 Sleep doubt .44 (.14) 3.08 .002 [.16, .73] .38
 Setting sleep limits -.22 (.10) −2.26 .025 [−.41, −.03] .39
 Sleep anger .31 (.15) 2.10 .037 [.02, .59] .41
  1. Abbreviations: CI confidence interval, PSQI sleep quality, MAF fatigue
  2. Baseline: R 2 = .48, adjusted R 2 = .47, F (4, 226) = 51.9, p < .001
  3. Follow-up: R 2 = .41, adjusted R 2 = .39, F (5, 179) = 24.6, p < .001