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Annex B: 2003 Data
Some key results on drug misuse from the 2003 SCS have previously been published in a chapter within the overall report on the 2003 survey 15. More detailed results are presented here for the first time.
It should be noted that the results presented here are based on a fresh analysis of the 2003 data, subsequent to some further data cleaning (mainly in relation to those who claimed to have used a bogus drug). This has resulted in some figures presented here being slightly different to those presented in the report by McVie, Campbell and Lebov.
The analysis presented in the report on the 2003 SCS excluded 51 respondents who reported using the bogus drug (a much larger proportion than had claimed to have used it in previous years: there had been 4 in 1993, 11 in 1996 and 18 in 2000).
Further examination and cleaning of the data for the current report revealed that of these 51, 3 had placed a cross in the box next to the bogus drug to indicate that they had not taken it (but the cross had been interpreted as a tick), one had changed 'ever taken' at the top of the column on the questionnaire to 'never taken' (but this had been missed), and a further 9 had ticked all the drugs at question 2 but had also ticked 'none of these' at the bottom (on the basis of their answers to the other questions on drug use, it seems reasonable to assume that they intended to answer 'none'). The responses for these 13 have therefore been amended. This leaves 38 respondents who do appear to be claiming to have used the bogus drug. The analysis excludes these 38. The effect of adding the 13 back into the sample has been to very slightly decrease the levels of drug use reported in comparison with the levels reported in the 2003 main survey results (because it has effectively increased the numbers reporting that they have never taken any drugs).
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