Table 4 Standardized coefficients of confirmatory factor analysis to examine the effect of each question on different dimensions of the questionnaire
Items | Dimension | Standardized coefficients | SE | P-value | |
|---|---|---|---|---|---|
Daily sleepiness | <--- | Quality of Life | 206/0 | 19/0 | 001/0> |
Sleep difficulty | <--- | Quality of Life | 269/0 | 18/0 | - |
q1 | <--- | Sleep difficulty | 773/0 | 131/0 | 001/0> |
q2 | <--- | Sleep difficulty | 680/0 | 115/0 | 001/0> |
q3 | <--- | Daily sleepiness | 603/0 | 106/0 | 001/0> |
q4 | <--- | Sleep difficulty | 514/0 | 107/0 | 001/0> |
q5 | <--- | Daily sleepiness | 668/0 | 112/0 | 001/0> |
q6 | <--- | Daily sleepiness | 402/0 | 113/0 | 001/0> |
q7 | <--- | Daily sleepiness | 629/0 | 099/0 | 001/0> |
q8 | <--- | Daily sleepiness | 493/0 | 121/0 | 001/0> |
q9 | <--- | Sleep difficulty | 673/0 | - | - |
q10 | <--- | Daily sleepiness | 761/0 | - | - |