Study Liu et al. (2015a): study GB 1996
- Public
- Female, aged 50-69, United Kingdom, 1996-2001
- Sample
- Respondents
- N = 1300000
- Non Response
- Assessment
-
Questionnaire: Paper & Pencil Interview (PAPI)
At recruitment, and every 3-5 years subsequently women were posted a quaestionnaire asking about sociodemographic factors, lifestyle and health.
Correlate
- Authors's Label
- Sleep duration
- Our Classification
-
-
- Operationalization
- Sleep duration:
a: <7h
b: 7h (Reference)
c: 8h
d: >=9h
Observed Relation with Happiness
8h (vs. 7h): OR= 1.196 CI99[1.179-1.213]
>=9h (vs. 7h): OR= 0.893 CI99[0.872-0.915]
OR's controlled for various factors (not reported)