Correlational finding on Happiness and Diabetes (e10-14)
Subject code: H14ad04a

StudyNaess et al. (2004): study NO Nord-Trøndelag 1984
TitleDiabetes Mellitus and Psychological Well-Being. Change between 1984-1986 and 1995-1997. Results of the Nord-Trondelag Health Study.
SourceJournal of Diabetes and its Complications, 2004, Vol. 18,141 - 147.
DOIDOI:10.1016/S1056-8727(03)00036-9
Public20-90 aged, general public, Nord-Trondelag, Norway followed 1 year, 1985-1996
SampleNon-probability chunk sample
Non-Response
Respondents N =65599

Correlate
Author's labelDiabetes
Page in Source 144
Our classificationDiabetes (e10-14), code H14ad04a
Operationalization
Self report following a question on impairments that 
reduce your functiioning in daily life
1 reports diabetes
0 does not report diabets

These self reports were checked in the medical records 
on general practitioners.

Assessed at T1 (1984-86) and T2 (1995-97): averrage 11 
years difference
Observed distributionReports diabetes: T1: 2,90% , T2: 3,31%
Remarks
More people got diabetes between T1 and T2 but relation 
with happines dit not chance

Observed Relation with Happiness
Happiness
Measure
StatisticsElaboration/Remarks
O-SLW-c-sq-v-7-cBeta=-
T1: Beta =   -.028
T2  Beta =   -.022
- difference -.006

Beta's controled for gender and age

The snmall effects of diabetes on happiness 
becomes even smaller over time
A-AOL-g-sq-v-7-aBeta=-
T1: Beta =   -.021
T2  Beta =   -.023
- difference -.002


Appendix 1: Happiness measures used
CodeFull Text
A-AOL-g-sq-v-7-aSelfreport on single question:

Would you say you are usually cheerful or dejected?
1 extremely dejected
2 dejected
3 quite dejected
4 both dejected and cheerful
5 quite cheerful
6 very cheerful
7 extremely cheerful
O-SLW-c-sq-v-7-cSelfreport on single question:

"Considering how you feel these days, are you generally satisfied with your life or are you generally dissatisfied?"
7 extremely satisfied
6 very satisfied
5 quite satisfied
4 both satisfied and dissatisfied
3 quite dissatisfied
2 very dissatisfied
1 extremely dissatisfied


Appendix 2: Statistics used
SymbolExplanation
Beta STANDARDIZED REGRESSION COEFFICIENT by LEAST SQUARES (OLS)
Type: test statistic.

Measurement level: Correlates: all metric, Happiness: metric.
Range: [-1 ; +1]

Meaning:
beta > 0 « a higher correlate level corresponds to a higher happiness rating on average.
beta < 0 « a higher correlate level corresponds to a higher happiness rating on average.
beta = 0 « no correlation.
beta = + 1 or -1 « perfect correlation.
Source:
Ruut Veenhoven, World Database of Happiness, Collection of Correlational Findings, Erasmus University Rotterdam.
https://worlddatabaseofhappiness.eur.nl