Correlational finding on Happiness and subject: Change in income level

StudySchyns (2000): study DE 1992
TitleThe Relationship between Income, Changes in Income and Life-Satisfaction in West Germany and the Russian Federation. Relative, Absolute or a Combination of Both?
SourceDiener, E.;Rathz, D.R.;Eds.: "Advances in Quality of Life Theory and Research", Kluwer, 2000, Dordrecht, Netherlands, 83 - 110
Public18+ aged general public, Germany, followed 4 years, 1992-1996
SampleProbability multi-stage cluster sample
Non-Response
Respondents N =4398

Correlate
Author's labelChange in income
Page in Source 101
Our classificationChange in income level
Operationalization
Change (in %) in post-government montly household 
income from 1995 to 1996 (log)
Remarks
Assessed at T1: 1995; T2: 1996

Observed Relation with Happiness
Happiness
Measure
StatisticsElaboration/Remarks
O-SLW-c-sq-n-11-dBeta=+.04
T1 happiness by T1-T2 CHANGE in income level
O-SLW-c-sq-n-11-dBeta=0
T2 happiness by T1-T2 CHANGE in income level

Beta's controlled for:
- Age
- Education
- Marital status
- Employment status


Appendix 1: Happiness measures used
CodeFull Text
O-SLW-c-sq-n-11-dSelfreport on single question:

Taking all things together, how satisfied are you with your life these days? Please answer with the help of this scale. For instance, when you are totally satisfied with your life, please tick '10'. When you are totally unsatisfied with your life, please tick '0'. You may use all values in between to indicate that you are neither totally satisfied nor totally unsatisfied."
10 totally satisfied
9
8
7
6
5
4
3
2
1
0 totally unsatisfied


Appendix 2: Statistics used
SymbolExplanation
BetaSTANDARDIZED REGRESSION COEFFICIENT by LEAST SQUARES (OLS)
Type: test statistic.

Measurement level: Correlates: all metric, Happiness: metric.
Range: [-1 ; +1]

Meaning:
beta > 0 a higher correlate level corresponds to a higher happiness rating on average.
beta < 0 a higher correlate level corresponds to a higher happiness rating on average.
beta = 0 no correlation.
beta = + 1 or -1 perfect correlation.
Source:
Ruut Veenhoven, World Database of Happiness, Collection of Correlational Findings, Erasmus University Rotterdam.
https://worlddatabaseofhappiness.eur.nl