Correlational finding on Happiness and Number of health complaints
Subject code: H14ab02c

StudyFang et al. (2002): study TW 1999
TitleValidation of the World Health Organizaton Quality of Life Instrument in Patients with HIV Infection.
SourceQuality of Life Research, 2002, Vol. 11, 753 - 762
PublicHIV-infected patients, Taipei, Taiwan, 1999-2000
SampleNon-probability chunk sample
Respondents N =136

Author's labelPhysical Domain
Page in Source 758
Our classificationNumber of health complaints, code H14ab02c
Self-report of experiences in the last two weeks of:
- Pain and discomfort
- Dependence on medical treatment
- Energy and fatigue
- Mobility
- Sleep and rest
- Activities of daily living
- Work Capacity
All rated on 5-points scales, ranging from "not at all" 
to "an extreme amount" with a higher score indicating a 
higher quality of life.
Observed distributionpatients M = 13.73 (SD=2.24), healthy persons M=15.39 (SD=1.88)
Error Estimatescronbach alfa = 0.74
Physical health subscale of WHOQOL-BREF

Observed Relation with Happiness
O-HL-c-sq-v-5-ir=+.55 p < .01

Appendix 1: Happiness measures used
CodeFull Text
O-HL-c-sq-v-5-iSelfreport on single question:

In general, how do you feel in terms of happiness in your current life?
1 very unhappy
2 unhappy
3 moderate
4 happy
5 very happy

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.