Study Bach et al. (1991): study US 1989

Public:

Duchenne Muscular Dystrophy patients and controls, USA, 1985

Sample:

Respondents:

N = 335

Non Response:

Assessment:

Questionnaire: paper
Mailed questionnaire

Correlate

Authors's Label

Duchenne muscular dystrophy desease

Our Classification

Distribution

1.  N=80                           0.  N= 259

Operationalization

1. Patients: Duchenne muscular dystrophy desease
0. Controls: healthy healthcare professionals

Observed Relation with Happiness