# Correlational findings

## Study Bachman et al. (1978): study US 1966

Public
Public highschool boys followed 8 years from grade 10, USA, 1966-74
Sample
Respondents
N = 1628
Non Response
2.8% at T1, 17.2% at T2, 21.0% at T3, 28.9% at T4, 28.5% at T5
Assessment
Multiple assesment methods
Interviews, tests and questionnaires

## Correlate

Authors's Label
Daily cigarette use
Our Classification
Operationalization
Direct question asking respondent how often he smoked cigarettes during the last year.
Scale:
1 = nearly every day;
0 = less than daily use.

Assessed at T3, T4 and T5

## Observed Relation with Happiness

Happiness Measure Statistics Elaboration / Remarks O-HP-g-mq-v-5-a = -                    Daily cigarette use
T3          T4          T5
Happiness
T1     tau = -.08 (05)   -.05        -.08 (05)
T2     tau = -.03        -.03        -.03
T3     tau = -.01        -.00        -.04
T4     tau = -.02        -.00        -.04
All _ not significant, unless indicated otherwise
T1:1966, T2:1968, T3:1969, T4:1970, T5:1974