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Studies

Fischer et al. (2015): study AU 1995

Publication

Author(s):
Fischer, J.A.; Clavarino, A.; Plotnikova, M.
Title:
Cannabis Use and Quality of Life of Adolescents and Young Adults: Findings from an Australian Birth Cohort
Source:
Journal of Psychoactive Drugs, 2015, Vol. 47, 107 - 116

Investigation

Public
Youngsters Australia, followed from age 14 to age 21, 1995-2002
Survey name
AU_MUSP
Sample
Non-probability purposive sample
Respondents
N = 3745
Non Response
Assessment
Questionnaire: Paper & Pencil Interview (PAPI)
Questionaires completed at ages 14 and 21

Happiness Measure(s) and Distributional Findings

Full text:
Self report on single question:

How would you say you feel these days? Would you say you are
3 very happy
2 happy
1 very unhappy
Classification:
M-FH-c-sq-v-3-b
Author's label:
QOL-Happiness
Remarks:
Assessed at age 21 (T2)
Page in publication:
109,110
Observed distribution
Frequencies
1: 8.3%,   2: 60.2%,   3: 31.5%   (total 100%)
Summary Statistics
On original range 1 - 3 On range 0-10
Mean:
2.23 7.19
SD:
0.59 2.24
Full text:
Self report on single question

How satisfied are you with your life as a whole these days? What would you say you are.
3 very satisfied
2 satisfied
1 dissatisfied
Classification:
O-SLW-c-sq-v-3-b
Author's label:
QOL-lifesatisfaction
Remarks:
Assessed at age 21 (T2)
Page in publication:
109,110
Observed distribution
Frequencies
1: 12%,   2: 61.4%,   3: 26.7%   (total 100.1%)
Summary Statistics
On original range 1 - 3 On range 0-10
Mean:
2.15 8.04
SD:
0.60 1.93

Correlational Findings

Author's label Subject Description Finding Age onset of canabis use (by happiness at age 14) Later use of marihuana Age onset of canabis use (by happiness at age 21) Earlier use of marihuana Age onset of canabis use (by change happiness over age 14-21) Earlier use of marihuana