Correlational finding on Happiness and Self ratings of mental health
Subject code: H13ab02

StudyOstir et al. (2006): study US 2001
TitleDoes Change in Functional Performance Affect Quality of Life in Persons with Orthopaedic Impairment.
SourceSocial Indicators Research, 2006, Vol. 77, 79 - 93
DOIDOI:10.1007/s11205-005-5554-z
Public40+ orthopedic patients, 3 month after discharge, USA, 2002
SampleNon-probability chunk sample
Non-Response228
Respondents N =3751

Correlate
Author's labelSelf-care
Page in Source 83-86
Our classificationSelf ratings of mental health, code H13ab02
Operationalization
Self-care subscale of 18 item Functional Independence 
Measure (FIM)
self report measure of basic daily living skills

Scored from (1) complete dependence to (7) complete 
independence
Remarks
Assessed at admission(T1) and after discharge(T2) with 
average 3 month interval

Observed Relation with Happiness
Happiness
Measure
StatisticsElaboration/Remarks
O-SQL-u-sq-v-4-bOR=1.05
T2 happines by T1-T2 CHANGE in functional 
independance controled for:
-age
-gender
-mental status
-race
-length of stay
CI95 (1.03-1.06)


Appendix 1: Happiness measures used
CodeFull Text
O-SQL-u-sq-v-4-bSelfreport on single question:

Please rate your satisfaction with your quality of life
1 very dissatisfied
2 somewhat dissatisfied
3 somewhat satisfied
4 very satisfied


Appendix 2: Statistics used
SymbolExplanation
ORODDS RATIO
Type: descriptive statistic only.
Measurement level: Correlate: dichotomous, Happiness level: dichotomous
Range: nonnegative unlimited

Meaning:
OR = 1 no association at all;
OR = 0 or infinite at least one level of the correlate allows an error-free prediction of the happiness.
Source:
Ruut Veenhoven, World Database of Happiness, Collection of Correlational Findings, Erasmus University Rotterdam.
https://worlddatabaseofhappiness.eur.nl