Correlational finding on Happiness and subject: Household income

StudyHeadey (2008): study DE 1990
TitleLife Goals Matter to Happiness: A Revision of Set-Point Theory.
SourceSocial Indicators Research, 2008, Vol. 86, 213 - 231
DOIDOI:10.1007/s11205-007-9138-y
Public16+ aged, general public, Germany, 1990-2004
SampleProbability multi-stage cluster sample
Non-Response
Respondents N =3553

Correlate
Author's labelDisposable household income
Page in Source 222, 225
Our classificationHousehold income
Operationalization
Disposable household income
Remarks
T1: 1990, T2: 1995, T3: 2004
Income as assessed at T3

Observed Relation with Happiness
Happiness
Measure
StatisticsElaboration/Remarks
O-SLW-c-sq-n-11-dBeta=+.02 p < .001
T3 level of happiness 

Beta controlled for
-current priorities at T3 for life goals
-gender
-age
-extraversion
-neuroticism
-internal locus of control
-having a partner
-years of education
-health disability

Beta very similar for men, women and respondents 
in prime age (25-59).
O-SLW-c-sq-n-11-dBeta=+.01 p < .001
T1-T3 CHANGE in happiness (14 year lag)

Beta controlled for
-average priority at T 1,2,3 for life-goals
-gender
-age
-extraversion
-neuroticism
-internal locus of control
-life satisfaction at T1 (1990)
-partner in 2004
-years of education
-health disability


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