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Correlational findings

Study OECD (2017): study JP 2015

Public:
15-16 aged, secundary school students, Japan, 2017
Survey name:
INT PISA 2015
Sample:
Respondents:
N = 6647
Non Response:
Assessment:
Questionnaire: web

Correlate

Authors's label
Eating habits
Our Classification
Operationalization
Selfreport on 2 questions:
- On the most recent day you attended school, did you before going  to school eat breakfast?
     1 yes
     0 no
- On the most recent day you attended school, did you after leaving school eat diner?
     1 yes
     0 no

Observed Relation with Happiness

Happiness Measure Statistics Elaboration / Remarks C-BW-c-sq-l-11-e DM = + p < .05 breakfast      all       boys      girls
yes:       M=  6,88      6,83      6,93
no:        M=  5,98      5,90      6,08
- difference: +0,91     +0,94     +0,86

Difference slightly smaller after control for student's socio-economic status
C-BW-c-sq-l-11-e DM = + dinner         all        boys      girls  
yes:       M=  6,83       6,76      6,89
no:        M=  6,04       6,35      5,88
- difference: +0,79(.05) +0,41(ns) +1,02(.05)

Difference slightly smaller after control for student's socio-economic status