Correlational finding on Happiness and subject: Summed effects or recent life change + current conditions

StudyMujcic & Oswald (2016): study AU 2007
TitleEvolution of Well-Being and Happiness After Increases in Consumption of Fruit and Vegetables.
SourceAmerican Journal of Public Health, 2016, Vol 106, 1504 - 1510
URLhttps://www.ncbi.nlm.nih.gov/pubmed/27400354
DOIdoi: 10.2105/AJPH.2016.303260.
Public18+ aged general public, Australia, followed 3 years 2007-2009
SampleProbability multi-stage cluster sample
Non-Response
Respondents N =12385

Correlate
Author's labelSummed effect
Page in Source Table 1 + 2
Our classificationSummed effects or recent life change + current conditions
Operationalization
A:  CHANGE daily consumption of fruitsd and vegetables
B: CURRENT
  - socio-demographics
    - age
    - income
    - education
    - marital status
    - employment
  - number of young children in household
  - nutrition behavior
      - eat breakfast regularly
      - never eat red meat
      - never eat fish
      - avoid fatty foods
  - health behavior
    - exercise regularly
    - non-smoker
    - drink alcohol
  - long-term health condition
  - BMI

Observed Relation with Happiness
Happiness
Measure
StatisticsElaboration/Remarks
O-SLW-u-sq-n-11-dRČ=.03
A+B
M-TH-cm-sq-v-6-aRČ=.03


Appendix 1: Happiness measures used
CodeFull Text
M-TH-cm-sq-v-6-aSelfreport on single question:

During the past 4 weeks….. Have you been a happy person?
6 all of the time
5 most of the time
4 a good bit of the time
3 some of the time
2 a little of the time
1 none of the time

Item MH5 in SF-36 (Medical Outcome Study 36 item Short Form)
O-SLW-u-sq-n-11-dSelfreport on single question:

All things considered, how satisfied are you with your life?
Again, pick a number between 0 and 10 to indicate how satisfied you are.
0 totally dissatisfied
1
2
3
4
5
6
7
8
9
10 totally satisfied


Appendix 2: Statistics used
SymbolExplanation
COEFFICIENT of DETERMINATION
Type: test statistic
Measurement level: Correlates: all metric, Happiness: metric
Range: [0; 1]

Meaning:
RČ = 0 « no influence of any correlate in this study has been established.
RČ = 1 « the correlates determine the happiness completely.
Source:
Ruut Veenhoven, World Database of Happiness, Collection of Correlational Findings, Erasmus University Rotterdam.
https://worlddatabaseofhappiness.eur.nl