Correlational finding on Happiness and subject: Perceived freedom in nation

StudyHelliwell et al. (2016): study ZZ 2012
TitleThe Distribution of World Happiness.
SourceWorld Happiness Report, 2016, Vol.1, 8 - 48
URLhttp://worldhappiness.report/#happiness2016
Public15+ aged, general public, 156 nations, 2005-2015
SampleProbability area sample
Non-Response
Respondents N =1560000

Correlate
Author's labelFreedom to make life choices
Page in Source 16
Our classificationPerceived freedom in nation
Operationalization
Are you satisfied or dissatisfied with your freedom to 
choose what you do in your life?
1: yes
0: no

Observed Relation with Happiness
Happiness
Measure
StatisticsElaboration/Remarks
C-BW-c-sq-l-11-cb=+1.1 p < .01
AVERAGE happiness (cognitibve component) by 
AVERAGE percieved freedom in 156 nations.
b controlled for
- log GDP per capita
- social support
- healthy life expectancy at birth
- generosity
- perceptions of corruption
C-BW-c-sq-l-11-cb=+.32 ns
b additionallly controled for AVERAGE happiness 
(affective component)


Appendix 1: Happiness measures used
CodeFull Text
C-BW-c-sq-l-11-cSelfreport on single question:

Here is ladder representing the 'ladder of life'. Let's suppose the top of the ladder represents the best possible life for you; and the bottom, the worst possible life for you. On which step of the ladder do you feel you personally stand at the present time?
10 best possible
9
8
7
6
5
4
3
2
1
0 worst possible life

This question was followed (not preceded) by items on life 5 years ago and 5 years from now.


Appendix 2: Statistics used
SymbolExplanation
bREGRESSION COEFFICIENT (non-standardized) by LEAST SQUARES (OLS)
Type: test statistic
Measurement level: Correlate: metric, Happiness: metric
Theoretical range: unlimited

Meaning:
b > 0 A higher correlate level corresponds with a higher happiness rating on average.
B < 0 A higher correlate level corresponds with a lower happiness rating on average.
B = 0 Not any correlation with the relevant correlate.
Source:
Ruut Veenhoven, World Database of Happiness, Collection of Correlational Findings, Erasmus University Rotterdam.
https://worlddatabaseofhappiness.eur.nl