- Heads of households, Dayton , USA, 1972-1979
- N = 3441
- Non Response:
- Interview: face-to-face
- Authors's label
- Our Classification
- Self-report on 3 questions:
During the past month...
a. Have you been in firm control of your behavior, thought, emotions, or feelings?
b. Have you had any reason to wonder if you were losing your mind, or losing control over the way you act, talk, think, or feel, or of your memory?
c. Have you been feeling emotionally stable and sure of yourself?