Table 2.
Multivariate Linear Regression Analysis of the Independent Predictors of the Change in Sleep Quality, Evaluated Through the CSHQ Total Score.
| Dependent variable | ||
|---|---|---|
| CSHQ total score | ||
| Independent variables | β (95% CI) | P value |
| Gender | −0.017 (−2.70, 2.07) | .794 |
| Age | −0.224 (−1.96, −0.09) | <.05 |
| Attended school | 0.134 (−1.35, 6.50) | .197 |
| Parental separation | 0.091 (−1.14, 6.74) | .163 |
| Possession of smartphone / tablet | 0.058 (−1.98, 4.45) | .450 |
| Family use of TV subscriptions | −0.045 (−3.98, 1.94) | .498 |
| Telephone use before sleeping | 0.276 (2.25, 6.20) | <.01 |
| CRIES-8 total score | 0.307 (0.17, 0.41) | <.01 |
Abbreviations: CI, confidence interval; CRIES-8, Children's Impact of Event Scale; CSHQ, Children's Sleep Habits Questionnaire.