Table 2.
Factor structure of Turkish APSQ with principle components analysis.
| Items | Factor 1 | Factor 2 |
|---|---|---|
| 1. I worry about the amount of sleep I am going to get every night | .629 | |
| 2. I worry about how the amount of sleep I had last night is going to affect my day time performance | .983 | |
| 3. I worry about how the amount of sleep I get is going to afflict my health | .888 | |
| 4. I worry about how much the amount of sleep I get will weaken my social ability | .907 | |
| 5. I worry about how much the amount of sleep I get will shake my moo | .661 | |
| 6. I worry about my loss of control over sleep | .649 | |
| 7. I worry about my ability to stay awake and alert during the day | .838 | |
| 8. I put great effort into trying to rectify my sleep problems | .566 | |
| 9. My failure to rectify my sleep problems troubles me a lot | .832 | |
| 10. My worry about sleep is persistent | .825 |
Notes: Only loadings above 0.3 are presented in the table. Factor 1: Worries about the consequences of poor sleep; Factor 2: Worries about uncontrollability of sleep.