Study Ritter et al. (1999): study US 1998

Public:

Retired orthopaedic surgeons, United States, 1998

Survey name:

Unnamed study

Sample:

Respondents:

N = 1293

Non Response:

45%

Assessment:

Questionnaire: paper
The Academy sent out the Questionnaires

Correlate

Authors's label

Excellent health health at present time

Our Classification

Operationalization

Selfreported on single question, full text not reported:
5: excellent
4: very good
3: good
2: fair
1: poor

Coded
1: execellent
0: other (1,2,3.4)

Observed Relation with Happiness