Correlational finding on Happiness and subject: Current nutrition

StudyLinn & McGranahan (1980): study US 1984
TitlePersonal Disruptions, Social Integration, Subjective Well-Being and Predisposition towards the Use of Counseling Services.
SourceAmerican Journal of Community Psychology, 1980, Vol. 8, 87 - 100
PublicPhysicians, California, USA, 1984
SampleProbability simple random sample
Respondents N =211

Author's labelEating regulary
Page in Source 834
Our classificationCurrent nutrition
Selfreported of typical behaviors in the past 6 month 
to make one feel better:
- Eating 3 meals a day
Rated: never(1) to daily (6)
Observed distributionM = 3.06

Observed Relation with Happiness
O-DT-u-sq-v-7-ar=-.02 ns

Appendix 1: Happiness measures used
CodeFull Text
O-DT-u-sq-v-7-aSelfreport on single question:

How do you feel about your life as a whole.....?
7 delighted
6 pleased
5 mostly satisfied
4 mixed
3 mostly dissatisfied
2 unhappy
1 terrible

Name: Andrews & Withey's `Delighted-Terrible Scale' (original version)

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.