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. Author manuscript; available in PMC: 2021 Sep 1.
Published in final edited form as: Qual Life Res. 2020 May 12;29(9):2465–2474. doi: 10.1007/s11136-020-02491-9

Table 3.

Path analysis results evaluating whether children’s general health and stress mediate the relationship between sleep quality and life satisfaction for the full sample and subsample of children with above average sleep distance.

Model 1 - Full Sample Model 2 - Subsample
SE 95% CI p-value SE 95% CI p-value
LL UL LL UL
Sleep disturbance → Stress 0.35 0.03 0.29 0.4 <0.01 0.28 0.04 0.2 0.35 <0.01
Covariates → Stress
 Age (in years) 0.08 0.03 0.02 0.13 <0.01 0.08 0.03 0.01 0.15 0.02
 Sex
  Female Ref Ref
  Male −0.02 0.03 −0.07 0.03 0.53 −0.02 0.04 −0.09 0.05 0.64
 Race
  White Ref Ref
  Black/African American −0.09 0.03 −0.14 −0.04 <0.01 −0.1 0.04 −0.17 −0.03 <0.01
  Other race −0.01 0.03 −0.07 0.05 0.67 −0.01 0.04 −0.09 0.08 0.87
 Hispanic origin
  Non-Hispanic Ref Ref
  Hispanic −0.08 0.03 −0.13 −0.02 <0.01 −0.09 0.04 −0.17 −0.01 0.03
 Annual household income
  $20,000 Ref Ref
  $20–40,000 −0.02 0.03 −0.08 0.05 0.58 −0.01 0.04 −0.1 0.07 0.76
  $40–60,000 −0.03 0.04 −0.1 0.05 0.45 −0.09 0.05 −0.18 0.01 0.08
  $60,000 −0.1 0.04 −0.17 −0.03 <0.01 −0.11 0.05 −0.2 −0.02 0.02
 Maternal mental health
  No problems Ref Ref
  Problems 0.14 0.03 0.09 0.19 <0.01 0.12 0.04 0.05 0.19 <0.01
Sleep disturbance → General health −0.11 0.03 −0.16 −0.05 <0.01 −0.03 0.04 −0.1 0.04 <0.01
Stress → General health −0.32 0.03 −0.38 −0.27 <0.01 −0.35 0.04 −0.42 −0.28 0.36
Covariates → General health
 Age (in years) 0.01 0.03 −0.04 0.06 0.69 0 0.03 −0.07 0.06 0.96
 Sex
  Female Ref Ref
  Male −0.07 0.03 −0.12 −0.02 0.01 −0.07 0.03 −0.14 0 0.04
 Race
  White Ref Ref
  Black/African American −0.11 0.03 −0.17 −0.05 <0.01 −0.13 0.04 −0.2 −0.05 <0.01
  Other race 0.07 0.03 0.01 0.13 0.02 0.07 0.04 −0.01 0.14 0.09
 Hispanic origin
  Non-Hispanic Ref Ref
  Hispanic −0.12 0.03 −0.18 −0.07 <0.01 −0.06 0.04 −0.14 0.01 0.09
 Annual household income
  $20,000 Ref Ref
  $20–40,000 0.05 0.03 −0.02 0.12 0.14 0.12 0.04 0.03 0.2 <0.01
  $40–60,000 0.14 0.04 0.07 0.21 <0.01 0.2 0.05 0.11 0.29 <0.01
  $60,000 0.17 0.04 0.1 0.25 <0.01 0.24 0.05 0.14 0.33 <0.01
 Maternal mental health
  No problems Ref Ref
  Problems −0.01 0.03 −0.07 0.04 0.68 0 0.04 −0.07 0.08 0.89
Stress → Life satisfaction −0.32 0.03 −0.38 −0.26 <0.01 −0.32 0.04 −0.39 −0.24 <0.01
General health → Life satisfaction 0.36 0.03 0.3 0.41 <0.01 0.33 0.04 0.26 0.41 <0.01
Covariates → Life satisfaction
 Annual household income
  $20,000 Ref Ref
  $20–40,000 0.03 0.03 −0.03 0.1 0.23 0.04 0.04 −0.04 0.12 0.32
  $40–60,000 0.02 0.03 −0.04 0.08 0.55 0.02 0.04 −0.06 0.11 0.57
  $60,000 0.08 0.03 0.02 0.15 <0.01 0.12 0.04 0.04 0.2 <0.01
 Maternal mental health
  No problems Ref Ref
  Problems 0 0.02 −0.05 0.05 0.97 −0.02 0.03 −0.09 0.04 0.51
Stress error variance 0.81 0.02 0.77 0.85 - 0.87 0.02 0.82 0.92 -
General health error variance 0.81 0.02 0.77 0.85 - 0.8 0.03 0.75 0.86 -
Life satisfaction error variance 0.67 0.02 0.62 0.72 - 0.68 0.03 0.62 0.74 -

-, not applicable.

Abbreviations: SE, Standard Error; 95% CI, 95% Confidence Interval; LL, Lower limit; UL, Upper limit; Ref, reference category.

Note. Results reflect bootstrapped standard errors and normal-based confidence intervals.