Correlational finding on Happiness and subject: Current nutrition

StudyVentegodt (1996): study DK 1993
TitleLiskvalitet hos 4500 31-33-arige. (The Quality of Life of 4500 31-33-Years-Olds).
SourceForskningscentrets Forlag, 1996, Copenhagen, Denmark
Public31-33 aged, Denmark 1993, born in University Hospital in Copenhagen
SampleNon-probability chunk sample
Respondents N =4611

Author's labeldiet and health
Page in Source 454
Our classificationCurrent nutrition
1: very bad
2: bad
3: neither good nor bad
4: good
5: very good
Observed distributionN: All:4547; %:1:17,7; 2:47,9; 3:24,8; 4:8,2; 5:1,4
the correlations and M's do give only the relation 
between diet and health
based on the question:
"How are your eating habits ?"
1 I eat what I like
2 I think I eat healthy
3 I think I eat unhealthy
4 I eat few calories because of my weight
5 I eat ready-prepared dishes/fast food at least once a 
6 I eat vegetarian food
7 Information campaigns influence my eating habits

Observed Relation with Happiness
A-AOL-m-sq-v-5-ar=+.05 p < .00
1: Ms=7.38
2: Ms=7.73
3: Ms=7.79
4: Ms=7.65
5: Ms=7.98
O-SLu-c-sq-v-5-er=+.03 p < .02
1: Ms=7.38
2: Ms=7.69
3: Ms=7.70
4: Ms=7.64
5: Ms=7.84
O-HL-c-sq-v-5-har=+.03 ns
1: Ms=7.46
2: Ms=7.80
3: Ms=7.75
4: Ms=7.55
5: Ms=8.44

Appendix 1: Happiness measures used
CodeFull Text
A-AOL-m-sq-v-5-aSingle direct question:

How are you feeling now....?
5 very good
4 good
3 neither good nor poor
2 poor
1 very poor
O-HL-c-sq-v-5-haSelfreport on single question

How happy are you now?
5 very happy
4 happy
3 neither happy nor unhappy
2 unhappy
1 very unhappy
O-SLu-c-sq-v-5-eSelfreport on single question:

'How satisfied are you with your life now?'
5 very satisfied
2 satisfied
3 neither satisfied nor dissatisfied
2 dissatisfied
1 very dissatisfied

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.