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Extract from "Regular Users: Self-reported drug consumption
patterns and attitudes to drugs among 1333 regular cannabis
users - Atha MJ & Blanchard S (1997) IDMU publications"
- 1994 data.
The full text of 'Regular
Users' is available on the this site. Our House
of Lords submission is reproduced in full, including
full literature reviews of many medicinal uses of cannabis,
and original research into characteristics of users
reporting various medicinal benefits or who cite medicinal
use as a primary reason for using cannabis.
1994 Survey (Regular Users I)
Home cultivation of cannabis is very common, 60% of
respondents had grown at least some of their own cannabis
at some time. Half of those had grown less than 5 plants
on the most recent occasion, and the average grown was
19 plants, with daily users (who grew) averaging 23
plants, whereas experimental users (who grew) averaged
5.5 plants. Most of this home growing would be to attain
self-sufficiency, rather than intended for profit, where
harvests would be larger and more consistent.
A large majority (75%) of growers did so indoors, 77%
using sunlight either exclusively or in combination
with lights. High-intensity discharge lights, such as
metal halide or high pressure sodium, had been used
by one grower in six (17%). One in three growers (35%)
had used "pedigree" seeds such as 'Skunk' or 'Northern
Lights' either exclusively or in combination. Those
who grew more were more likely to have tried combinations
of seed sources and growing methods.
The more cannabis they bought and used in general,
the more likely respondents were to have grown their
own, and the more plants they had grown. Those who had
grown 10 or more plants were significantly heavier users
(average 37g/month) than non-growers (20g). Those who
had never grown any also reported buying less and spending
less on cannabis than growers. However, they spent more
per gram (Tables 4.11-4.14).
The 1997 survey (Regular Users
II) shows that domestically produced cannabis (i.e.
"skunk" and "home grown") had significantly
increased market share since 1994 from roughly a fifth
to a third of all UK consumption, mainly at the expense
of imported bush. Growers were also three times as likely
to have been "busted" (average 5.7% probability
per year of being busted compared to 1.9% for non-growers).
Data from the 1998 survey (Regular Users III) is nearly
ready for analysis, as the last few questionnaires are
arriving. If any readers still have survey forms, please
send them back by the end of February. This survey included
more detailed questions on growing, driving and political
It is important to support the Regular User surveys
as these represent the only independent source of drugs
prices and consumption data in the UK, which are now
widely accepted by the courts in preference to speculative