Correlational finding on Happiness and Later psycho-somatic complaints
Subject code: H15aa04

StudyBachman et al. (1978): study US 1966
TitleYouth in Transition, Vol. VI. Adolescence to Adulthood. Change and Stability in the Lives of Young Men.
SourceInstitute for Social Research, 1978, University of Michigan, Ann Arbor, USA
PublicPublic highschool boys followed 8 years from grade 10, USA, 1966-74
Non-Response2.8% at T1, 17.2% at T2, 21.0% at T3, 28.9% at T4, 28.5% at T5
Respondents N =1628

Author's labelSomatic symptoms
Our classificationLater psycho-somatic complaints, code H15aa04
Mean based on an 18-item checklist of physical 
complaints, including such questions as: "Have you ever 
had spells of dizziness?", "Are you ever bothered by 
Scale: 1.00 = never to 5.00 = always. Assessed at T1, 
T2, T3 and T4

Observed Relation with Happiness
O-HP-g-mq-v-5-atau=- p < .001
                  Somatic symptoms
Happiness         T1       T2       T3       T4
T1        tau = -.33     -.26     -.22     -.21
T2        tau = -.28     -.35     -.27     -.26
T3        tau = -.22     -.31     -.40     -.30
T4        tau = -.24     -.28     -.30     -.36
All tau's significant (001)
T1:1966, T2:1968, T3:1969, T4:1970

Appendix 1: Happiness measures used
CodeFull Text
O-HP-g-mq-v-5-aSelfreport on 6 questions:

" Describe the kind of person you are. Please read each sentence, then mark how often it is true for you"
1 I feel like smiling
2 I generally feel in good spirits
3 I feel happy
4 I am very satisfied with life
5 I find a good deal of happiness in life
6 I feel sad

Response options:
5 almost always true
4 often true
3 sometimes true
2 seldom true
1 never true

Summation: average
Possible range: 1 to 5

Appendix 2: Statistics used
tauGOODMAN & Kruskal's TAU
Type: descriptive statistic only.
Measurement level: Correlate: nominal, Happiness: ordinal
Range: [0; +1]

tau = 0 knowledge of the correlate value does not improve the prediction quality of the happiness rating.
tau = 1 knowledge of the correlate value enables a perfect (error-free) prediction of the happiness rating.
Ruut Veenhoven, World Database of Happiness, Collection of Correlational Findings, Erasmus University Rotterdam.