Study Covinsky et al. (1999): study US 1994

Public

80+ aged patients 2 months after hospitalization, USA, 1994

Sample

Respondents

N = 493

Non Response

564

Assessment

Interview: Computer Assisted Telephone Interview (CATI)

Correlate

Authors's Label

Physical capacity

Our Classification

Distribution

N:  1=149  2=170  3=169

Operationalization

Selfreport of physical restrictions on Duke Activity Status Index
Questions concern ability to perform activities ranging from walking around the house to vigorous exercise. Each activity is rated as being performed with no difficulty, some difficulty or not being performed because of poor health.
1. highest tertile (least restricted)
2. middle tertile
3. lowest tertile (most restricted)

Observed Relation with Happiness