Correlational finding on Happiness and subject: Readiness to seek professional care

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 labelReadiness for self- referral
Page in Source 262
Our classificationReadiness to seek professional care
Operationalization
3-item index, containing attitude to professional help, 
use of professional help, and perceived competence to 
handle one's problems oneself strong self help / self 
help / might need help / could have used help / has 
used help.

Observed Relation with Happiness
Happiness
Measure
StatisticsElaboration/Remarks
O-HL-c-sq-v-3-aaG= -
Grade school    : G' = -.09 (05)
High school     : G' = -.15 (01)
College         : G' = -.24 (01)


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
GGOODMAN & Kruskal's GAMMA
Type: test statistic
Measurement level: Correlate: ordinal, Happinessl: ordinal
Range: [-1; +1]

Meaning:
G = 0 no rank correlation
G = +1 strongest possible rank correlation, where high correlate values correspond to high happiness ratings.
G = -1 strongest possible rank correlation, where high correlate values correspond with low happiness ratings.
Source:
Ruut Veenhoven, World Database of Happiness, Collection of Correlational Findings, Erasmus University Rotterdam.
https://worlddatabaseofhappiness.eur.nl