Correlational finding on Happiness and Earlier occupation
Subject code: O01aa01

StudyKeith (1985a): study US 1969
TitleWork, Retirement and Well-Being among Unmarried Men and Women.
SourceGerontologist, 1985, Vol. 25, 410 - 416
Public58-63 aged unmarried, followed 10 years, USA, 1969-1979
SampleProbability stratified sample
Respondents N =1398

Author's labelEarlier Occupation
Page in Source 414
Our classificationEarlier occupation, code O01aa01
Single closed question, rated on an 11-point scale, 
ranging from laborer (1) to professional (11)

Assessed at T1. (10 years ago)

Observed Relation with Happiness
Happiness assessed at T2:
Widowed            r= +.18 (ns)   = +.09 (05)
Divorced/Separated r= +.16 (ns)   = +.11 (ns)
Never married      r= +.12 (ns)   = -.04 (ns)

's controlled for: 
- sexe
- earlier education
- age
- earlier happiness
- retirement attitudes
- health
- income
- employment.

Appendix 1: Happiness measures used
CodeFull Text
O-HL-c-sq-v-3-aaSelfreport on single question:

Taken all together, how would you say things are these days? Would you say that you are....?
3 very happy
2 pretty happy
1 not too happy

Appendix 2: Statistics used
rPRODUCT-MOMENT CORRELATION COEFFICIENT (Also "Pearson's correlation coefficient' or simply 'correlation coefficient')
Type: test statistic.
Measurement level: Correlate: metric, Happiness: metric
Range: [-1; +1]

r = 0 no correlation ,
r = 1 perfect correlation, where high correlate values correspond with high happiness values, and
r = -1 perfect correlation, where high correlate values correspond with low happiness values.
Ruut Veenhoven, World Database of Happiness, Collection of Correlational Findings, Erasmus University Rotterdam.