Study Lepper (1998): study US California 1993
- Public
- Retirees, Southern California, USA, followed 9 months199?
- Sample
- Respondents
- N = 971
- Non Response
- Assessment
-
Questionnaire: Paper & Pencil Interview (PAPI)
Mailed questionnaire
Correlate
- Authors's Label
- Smoking habits
- Our Classification
-
-
- Error Estimates
- Correlation between self and other reports of smoking : r=+.87 p<0.0001) Test for difference in mean ns (t.=0.90)
- Remarks
- Only measured in wave 1
- Operationalization
- Self report on whether or not the subjects smokes cigarettes
0=no
1=yes