# Correlational findings

## Study Bachman et al. (1978): study US 1966 /1

Public
Public highschool boys followed 8 years from grade 10, USA, 1966-74
Sample
Respondents
N = 2213
Non Response
2.8% at T1, 17.2% at T2, 21.0% at T3, 28.9% at T4, 28.5% at T5
Assessment
Interview: face-to-face
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
Happiness      T3         T4        T5
T1       tau = -.08 (05)  -.05      -.08 (05)
T2       tau = -.03       -.03      -.03
T3       tau = -.01       -.00      -.04
T4       tau = -.02       -.00      -.04
All tau's not significant, unless indicated otherwise
T1:1966, T2:1968, T3:1969, T4:1970, T5:1974