Figure 1.
Factor loading matrix of the Slovenian translation of the Epworth Sleepiness Scale for Children and Adolescents questionnaire items after rotation_
| Factor matrix with rotation | ||
|---|---|---|
| Factor | 1 | 2 |
| 1 | 0.32 | 0.17 |
| 2 | 0.43 | 0.13 |
| 3 | 0.43 | 0.33 |
| 4 | 0.40 | 0.12 |
| 5 | 0.78 | −0.01 |
| 6 | 0.18 | 0.73 |
| 7 | 0.73 | 0.13 |
| 8 | 0.09 | 0.66 |
Confirmatory factor analysis indices and descriptive statistics for the Slovenian translation of the Epworth Sleepiness Scale for Children and Adolescents questionnaire_
| Indicator | One-factor solution | Two-factor solution |
|---|---|---|
| M (SD) | 6.65 (4.35) | 6.32 (4.00)* |
| 0.34 (0.94)** | ||
| χ2 | 352.77 | 262.52 |
| df | 20 | 19 |
| p | < 0.001 | < 0.001 |
| CFI | 0.94 | 0.96 |
| TLI | 0.92 | 0.94 |
| RMSEA | 0.071 | 0.063 |
| RMSEACI | 0.065–0.078 | 0.056–0.069 |
| SRMR | 0.081 | 0.046 |
Descriptive statistics and Pearson correlation coefficients among the Slovenian translation of the Epworth Sleepiness Scale for Children and Adolescents questionnaire_
| Item | M | SD | r | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | |||
| 1 | 0.70 | 0.98 | 1.00 | |||||||
| 2 | 1.20 | 1.04 | 0.25 | 1.00 | ||||||
| 3 | 0.74 | 0.97 | 0.26 | 0.22 | 1.00 | |||||
| 4 | 1.39 | 1.08 | 0.19 | 0.23 | 0.25 | 1.00 | ||||
| 5 | 1.36 | 1.17 | 0.20 | 0.30 | 0.31 | 0.29 | 1.00 | |||
| 6 | 0.21 | 0.57 | 0.16 | 0.16 | 0.31 | 0.15 | 0.15 | 1.00 | ||
| 7 | 0.96 | 1.04 | 0.20 | 0.31 | 0.34 | 0.26 | 0.64 | 0.24 | 1.00 | |
| 8 | 0.14 | 0.51 | 0.12 | 0.10 | 0.24 | 0.09 | 0.07 | 0.51 | 0.17 | 1.00 |
Content validation indices for the Slovenian translation of the Epworth Sleepiness Scale for Children and Adolescents questionnaire_
| Item | CVR | CI |
|---|---|---|
| 1 | 0.82 | 0.82 |
| 2 | 1.00 | 0.82 |
| 3 | 0.82 | 0.82 |
| 4 | 1.00 | 0.82 |
| 5 | 0.82 | 0.73 |
| 6 | 1.00 | 0.73 |
| 7 | 1.00 | 0.82 |
| 8 | 0.82 | 0.82 |
Results of Exploratory Factor Analysis for the Slovenian translation of the Epworth Sleepiness Scale for Children and Adolescents questionnaire_
| Initial Eigenvalues | Extraction Sums of Squared Loadings | Rotated Extraction Sums of Squared Loadings | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Factor | Total | % of variance | Cumulative variance | Total | % of variance | Cumulative variance | Total | % of variance | Cumulative variance |
| 1 | 2.73 | 34.13 | 34.13 | 2.15 | 26.92 | 26.92 | 1.82 | 22.72 | 22.72 |
| 2 | 1.31 | 16.38 | 50.51 | 0.82 | 10.24 | 37.16 | 1.15 | 14.44 | 37.16 |
| 3 | 0.92 | 11.51 | 62.02 | ||||||
| 4 | 0.80 | 9.94 | 71.96 | ||||||
| 5 | 0.75 | 9.39 | 81.35 | ||||||
| 6 | 0.66 | 8.21 | 89.56 | ||||||
| 7 | 0.48 | 6.01 | 95.57 | ||||||
| 8 | 0.35 | 4.43 | 100.00 | ||||||