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Studies

Arnold et al. (2006): study NL 2001

Publication

Author(s):
Arnold, R.; DeJongste, M.J.; Koëter, G.H.; Ranchor, A.V.
Title:
Changes in Personal Control as a Predictor of Quality of Life after Pulmonary Rehabilitation.
Source:
Patient Educational and Counseling, 2006, Vol. 61, 99 - 108

Investigation

Public
COPD patients, before and after 20 week rehabilitation programme, Netherlands, 2001-2002
Sample
Non-probability purposive sample
Respondents
N = 65
Non Response
21
Assessment
Questionnaire: Paper & Pencil Interview (PAPI)
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)

Happiness Measure(s) and Distributional Findings

Full text:
Self report on single question:

Here is a picture of a ladder. Suppose we say that the top of the ladder represents the best possible life for you and the  bottom represents the worst possible life for you. Where on the ladder do you feel you personally stand at the present time?   
[  10  ]  best possible life
[    9  ]
[    8  ]
[    7  ]
[    6  ]
[    5  ]
[    4  ]
[    3  ]
[    2  ]
[    1  ]
[    0  ]  worst possible life
                          
                                                                                
Preceded by 1)  open questions about what the respondent imagines as the best possible life and the worst possible life. 2) ratings on the ladder of one's life five years ago and  where on the ladder one expects to stand five years from now.

Name: Cantril's self anchoring ladder rating of life (original)
Classification:
C-BW-c-sq-l-11-a
Author's label:
Changes in personal control
Remarks:
T1 experimental group:  M = 5,3,  SD = 1,4.  Control group:   M = 6,1,  SD = 1,6
Page in publication:
99-108
Observed distribution
Summary Statistics
On original range 0 - 10 On range 0-10
Mean:
5.30 5.30
SD:
1.40 1.40

Correlational Findings

Author's label Subject Description Finding Pulmonary rehabilitation program Actual changes in happiness
Chronic lower respiratory diseases (j40-45)
Intensive care
Rehabilitation
COPD
Intensive guidance
Change happiness over 20 weeks Recent happiness (< 1 year ago) Physical functioning Earlier physical health
Later physical health
Social functioning Earlier physical health
Later physical health
Specific restrictions
Psychological functioning Earlier mental health
Later mental health
Specific restrictions
Mastery Earlier inner-control
Change in control orientation
Self efficacy: control symptoms Earlier inner-control
Perceived control over illness
Change in control orientation
Self efficacy: maintain function Earlier inner-control
Perceived control over illness
Change in control orientation