Correlational finding on Happiness and subject: Current income level (unspecified)

StudyGurin et al. (1960): study US 1957
TitleAmericans View their Mental Health. A Nationwide Interview Survey.
SourceBasic Books, 1960, New York, USA ( Reprint in 1980, Arno Press, New York, USA)
Public21+ aged, general public, USA,1957
Sample
Non-Response13%; 5% not at home, 8% refusals
Respondents N =2460

Correlate
Author's labelIncome
Page in Source 216
Our classificationCurrent income level (unspecified)
Operationalization
 

Observed Relation with Happiness
Happiness
Measure
StatisticsElaboration/Remarks
O-HL-c-sq-v-3-aaD%= + s
Unaffected by educational level


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
SymbolExplanation
D%DIFFERENCE in PERCENTAGES
Type: descriptive statistic only.
Measurement level: Correlate level: dichotomous, but nominal or ordinal theoretically possible as well. Happiness level: dichotomous
Range: [-100; +100]

Meaning: the difference of the percentages happy people at two correlate levels.
Source:
Ruut Veenhoven, World Database of Happiness, Collection of Correlational Findings, Erasmus University Rotterdam.
https://worlddatabaseofhappiness.eur.nl