- Retirees, Southern California, USA, followed 9 months199?
- N = 971
- Non Response
Questionnaire: Paper & Pencil Interview (PAPI)
- Authors's Label
- Sleep disturbances
- Our Classification
- Error Estimates
- Correlation between self and other reports (only spouses): N=803, r=+.53, p<.0001) For the other-reporters, only spouses or "significant" others were asked to complere their items in order to ensure that the reporters had sufficient knowledge about the target's sleep quality. Test for difference in mean ns (t.=-1.71)
- Only measured in wave 1.
- Self report on 3 questions:
How much of the time during the previous weeks
a enough sleep was obtained in order to feel rested upon waking
b had trouble falling asleep
c got the amount of sleep needed