Correlational finding on Happiness and subject: Mental health in nation

StudyVanHemert et al. (2002a): study ZZ 1974
TitleThe Beck Depression Inventory as a Measure of Subjective Well-Being: A Cross-National Study.
SourceJournal of Happiness Study, 2002, Vol. 3, 257 - 286
PublicAdults, general public, 30 countries, 1974-1999
SampleNon-probability purposive-quota sample
Non-Responsenot reported
Respondents N =44098

Author's labelPsychoticism (Eysenck)
Page in Source 65
Our classificationMental health in nation
Psychoticism scale of Eysenk Personal 
Questionnaire(1975 version)
Meta analysis of 333 samples in 38 countries with 
68,374 respondants. Units are nation averages

Observed Relation with Happiness
O-Sum---sq-vt-11-ar=-.57 p < .01
Average happiness by average psychoticism in 20 

Appendix 1: Happiness measures used
CodeFull Text
O-Sum---sq-vt-11-aSelfreport on single questions:

This measure of average happiness in nations combines responses to different questions on happiness and life-satisfaction rated on different scales. Precise items and rating scales differ per nation. Average scores per nation were transformed afterwards to a common 0-10 scale.

Name: Diener's SWB-score of nations

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.