Study Arnold et al. (2006): study NL 2001

Public:

COPD patients, before and after 20 week rehabilitation programme, Netherlands, 2001-2002

Sample:

Respondents:

N = 65

Non Response:

21

Assessment:

Questionnaire: paper
Patients filled questionnaires at the beginning (T1) and at the end (T2) of the program. The length of the programme varied, with the average duration being 20 weeks ( SD=11.2)

Correlate

Authors's label

Self efficacy: control symptoms

Our Classification

Operationalization

Self report on six questions such as:
- How confident are you that you can control your breathlessness by taking your medications?

Subscale of Sullivan 1998 self efficacy scale

Observed Relation with Happiness