print

Correlational findings

Study Mujcic & Oswald (2016): study AU 2007

Public:
18+ aged general public, Australia, followed 3 years 2007-2009
Survey name:
AU-HILDA combined waves
Sample:
Respondents:
N = 12385
Non Response:
Assessment:
Multiple asesment methods
Face to face interviews and self completion questionnaires

Correlate

Authors's Label
Change consumption fruits and vegetables
Our Classification
Remarks
Change over 3 years: T1: 2007, T2: 2008, T3: 2009
Distribution
M: 3,84; SD: 2,01
Operationalization
Selfreported consumption of fruit and vegetables in portions per day in a typical week
1
2
3
4
5
6 or more

Observed Relation with Happiness

Happiness Measure Statistics Elaboration / Remarks O-SLW-u-sq-n-11-d b-fix = +.03 p < .002 CHANGE happiness by CHANGE portions fruits and vegetables
CI95 [+0.01, +0.04] no controls

Meaning: Change from 1 to 6 servings an day would correspond with a gain of 0,24 on this 0-10 happiness scale
O-SLW-u-sq-n-11-d b-fix = +.02 p < .10 Additionally controled for set B O-SLW-u-sq-n-11-d b-fix = +.03 p < .003 Controled for set A M-TH-cm-sq-v-6-a b-fix = +.02 p < .003 CI95 [+.001, - +003) no controls M-TH-cm-sq-v-6-a b-fix = +.02 p < .017 Additionally controled for set B

Control variables SET A
- socio-demographic characteristics
  - age
  - income
  - education
  - employmeent
- long-term health condition
- number of children under age 4

Control variables SET B
- drinking alcohol
- smoking
- eating behaviors
  - never eat red meat
  - never eat fish
  - drink low fat or skinny milk
  - avoid fat foods
- BMI
- regular exercise

Granger test suggests that causality runs from nutrition to happiness and not reversedly
M-TH-cm-sq-v-6-a b-fix = +.02 p < .02 Controled for set A