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6.4. Smoking

6.4.1. Specification of data

The measurement procedures are described in Section 1.4.1 of Part III of the MONICA Manual (1). Any variation between the RUAs in the measurement procedures and quality of the data are described in the report on quality assessment of data on smoking behaviour (12).

The following extract from the Core data transfer format - survey data of the MONICA Manual (1) specifies the format in which the data were transferred to the MONICA Data Centre:

NAME VERSION SPECIFICATION AND CODES CHARACTERS
CIGS 3,6,7 "Do you smoke cigarettes now?"
1 = yes, regularly
2 = no
3 = occasionally
9 = insufficient data 		|__|
NUMCIGS 3,6,7 "On average how many cigarettes do you now smoke a day?" Record the number of cigarettes a day.
888 if CIGS = 2
999 = insufficient data 		|__|__|__|
DAYCIGS 6 "On how many days a week do you smoke cigarettes?"
1 = usually on one day a week or less
2 = usually on 2 to 4 days a week
3 = almost every day
4 = every day
8 if CIGS = 1 or 2
9 = insufficient data 		|__|
7 "On how many days a week do you smoke cigarettes?"
1 = usually on one day a week or less
2 = usually on 2 to 4 days a week
3 = almost every day
8 if CIGS = 1 or 2
9 = insufficient data 		|__|
EVERCIG 3,6 "Did you ever smoke cigarettes in the past?"
1 = yes, regularly in the past, but not now
2 = no, never
3 = yes, occasionally in the past, but not now
8 = yes, and still regularly or occasionally now
9 = insufficient data 		|__|
7 "Did you ever smoke cigarettes regularly in the past?"
1 = yes, regularly in the past, but not now
2 = no
8 if CIGS = 1
9 = insufficient data 		|__|
STOP 3,6,7 "When did you stop smoking cigarettes regularly?" Record the year (four digits)
8888 if CIGS = 1 or EVERCIG = 2
9999 = insufficient data 		|__|__|__|__|
IFLYEAR 3,6 If in the last 12 months
1 = less than a month ago
2 = between 1 and 6 months ago
3 = between 6 and 12 months ago
8 = not in the last 12 months, or smoking regularly or occasionally now, or never smoked
9 = insufficient data 		|__|
7 If in the last 12 months
1 = less than a month ago
2 = between 1 and 6 months ago
3 = between 6 and 12 months ago
8 = not in the last 12 months, or CIGS = 1 or EVERCIG = 2
9 = insufficient data 		|__|
MAXCIGS 6 "What is the maximum number of cigarettes you ever smoked per day for as long as a year?"
Record the number of cigarettes a day.
888 if EVERCIG = 2
999 = insufficient data 		|__|__|__|
7 "What is the highest average daily number of cigarettes you have ever smoked for as long as a year?"
Record the number of cigarettes a day.
888 if EVERCIG = 2
999 = insufficient data 		|__|__|__|
CIGAGE 6 How old were you when you began to smoke cigarettes?
88 if EVERCIG = 2
99 = insufficient data 		|__|__|
7 How old were you when you began to smoke cigarettes regularly?
88 if EVERCIG = 2
99 = insufficient data 		|__|__|
CIGARSM 6,7 "Have you ever smoked cigars/cigarillos?"
1 = now smoke regularly
2 = no
3 = now smoke occasionally (less than one/day)
4 = used to, but not now
9 = insufficient data 		|__|
CIGAR 3 "About how many cigars/cigarillos do you smoke per week?" Record the number.
999 = insufficient data 		|__|__|__|
6,7 "About how many cigars/cigarillos do you smoke per week?" Record the number.
888 if CIGARSM = 2 or 4
999 = insufficient data 		|__|__|__|
PIPESM 6 "Have you ever smoked a pipe?"
1 = yes, regularly now
2 = no
3 = occasionally now
4 = used to, but not now
9 = insufficient data 		|__|
7 "Have you ever smoked a pipe?"
1 = now smoke regularly
2 = no
3 = now smoke occasionally (less than once a day)
4 = used to, but not now
9 = insufficient data 		|__|
PIPE 3 "About how many grams of pipe tobacco do you smoke per week?" Record the number of grams. (1 ounce = 30 grams)
999 = insufficient data 		|__|__|__|
6,7 "About how many grams of pipe tobacco do you smoke per week?" Record the number of grams. (1 ounce = 30 grams)
888 if PIPESM = 2 or 4
999 = insufficient data 		|__|__|__|
OTHERSM 6 "For how many hours, on average each day, are you closely subjected to other people's tobacco smoke?" Record the number of hours.
99 = insufficient data 		|__|__|
7 "For how many hours, on average each day, are you closely subjected to other people's tobacco smoke?" Record the number of hours.
88 if CIGS = 1
99 = insufficient data 		|__|__|

6.4.2. Categories of current smoking

Table 6.4.2. reports the proportions of current smoking as defined in section 6. of the quality assessment of data on smoking behaviour:

Smoking category CIGS CIGAR PIPE
Smoker 1,3 0-887 0-887
2 1-887 0-887
2 0-887 1-887
Non-smoker 2 0,888 0,888
Insufficient data 9 any any
any 999 any
any any 999

6.4.3. Categories of current cigarette smoking

Table 6.4.3. reports the proportions of current cigarette smoking:

Daily cigarette smokers CIGS = 1
Occasional cigarette smokers CIGS = 3
Non-cigarette smokers CIGS = 2
Insufficient data CIGS < > 1 or 2 or 3

6.4.4. Categories of daily cigarette smoking (daily smokers and ex-smokers)

Table 6.4.4. reports the proportion of daily cigarette smoking:

Daily cigarette smokers * CIGS = 1
Ex-cigarette smokers proportion of non-cigarette smokers * × proportion of ex-cigarette smokers among non-cigarette smokers §
Ever daily cigarette smokers Daily cigarette smokers + ex-cigarette smokers
Insufficient data For * CIGS < > 1 or 2 or 3
For § CIGS = 2 and EVERCIG < > 1 or 2 or 3

The proportion of ex-cigarette smokers among non-cigarette smokers (see Appendix 4. of the quality assessment of data on smoking behaviour):

6.4.5. Number of cigarettes smoked by population

Table 6.4.5. reports distribution characteristics of cigarette smoking.

6.4.6. Number of cigarettes smoked by daily smokers

Table 6.4.6. reports distribution characteristics of cigarette smoking among daily smokers.

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