Projects > Discovery Challenge 2002 > Entry examination



Attributes relating to smoking are lucidly stated in the Table 1. Details about particular attributes are in the Tables 2–4.

Table 1 – Attributes relating to smoking
Identifier – column in the data matrix EntryMeaning
KOURENIintensity of smoking
DOBAKOURhow low he has been smoking
BYVKURAKhow long an ex-smoker has not been smoking


Table 2 – Frequency of the KOURENI attribute values
SMOKINGNumber of
2smoker of cigarettes: 1–4 cig./day45
3smoker of cigarettes: 5–14 cig./day206
4smoker of cigarettes: 15–20 cig./day391
5smoker of cigarettes: 21 and more cig./day348
6smoker of cigars or pipes29
13not stated17


Table 3 – Frequency of the DOBAKOUR attribute values
DOBAKOUR – duration of smokingNumber of
7up to 5 years28
86–10 years50
911–20 years311
1021 and more years647
 empty entry in the data matrix383


Table 4 – Frequency of the BYVKURAK attribute values
BYVKURAK – ex-smokerNumber of
11He has not been smoking for less than 1 year36
12He has not been smoking for more than 1 year196
 Empty entry in the data matrix = he stopped smoking in time shorter/longer than 1 year1 187

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Projects > Discovery Challenge 2002 > Entry examination


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