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. 2023 May 1;19(5):925–934. doi: 10.5664/jcsm.10484

Table 4.

Parental sleep reports (SF-CSHQ) in typically developing children and participants with giftedness.

TDC (n = 52) Gifted (n = 60) t df P Cohen’s d
mean ± SD mean ± SD
Bedtime resistance 6.22 ± 1.86 7.37 ± 2.31 −2.833 108 .006 0.43
Sleep onset latency 1.31 ± 0.64 1.73 ± 0.82 −3.021 110 .003 0.57
Sleep duration 3.81 ± 1.24 3.75 ± 1.23 0.247 110 .805 0.05
Sleep anxiety 5.18 ± 1.63 5.33 ± 1.84 −0.471 109 .638 0.09
Night awakenings 3.52 ± 0.85 3.95 ± 1.40 −1.935 110 .048 0.37
Daytime sleepiness 9.72 ± 2.32 9.63 ± 2.19 0.201 108 .841 0.04
Total 27.17 ± 5.22 29.55 ± 6.12 −2.144 106 .034 0.42

The table shows mean ± SD, results from independent samples t-tests and Cohen’s d as a measure of effect size. df = degrees of freedom, SF-CSHQ = short-form version of the Children’s Sleep Habit Questionnaire, TDC = typically developing children.