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Study measure | GYTS survey items | GYTS item responses | Dichotomized measure | |
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Dependent variable: current cigarette use | During the past 30 days, on how many days did you smoke cigarettes? | 0 days 1 or 2 days 3 to 5 days 6 to 9 days 10 to 19 days 20 to 29 days All 30 days | No-0 days Yes-1 or more days | |
Current use of noncigarette tobacco products | During the past 30 days, did you use any form of smoked tobacco products other than cigarettes (such as cigar, pipe, water pipe, and shisha)? | Yes No | Yes No |
During the past 30 days, did you use any form of smokeless tobacco products (e.g., chewing tobacco, snuff, and dip)? | Yes No | Yes No |
Independent variables | | | | |
Age | How old are you? | 11 years old or younger 12 years old 13 years old 14 years old 15 years old 16 years old 17 years old or older | ≤12years 13-15 years ≥16 years | |
Sex | What is your sex? | Male Female | Male Female | |
Grade/form | In what grade/form are you? | 6 eme 5 eme 4 eme 3 eme | 6 eme 5 eme 4 eme 3 eme | |
Money to be spent on average week | During an average week, how much money do you have that you can spend on yourself, however you want? | I usually do not have any spending money Less than 500 Fr [500-1000] [1001-2500] [2501-5000] [5001-7500] [7501 and + | No money- I usually do not have any spending money Have money- any other responses for any of the remaining seven items | |
Parental smoking | How often do you see your father (stepfather or mother’s partner) smoking in your home? | Do not have/do not see this person About every day Sometimes Never | No- do not have/do not see this person and never Yes- about every day and sometimes | No- no for both dichotomized items |
How often do you see your mother (stepmother or father’s partner) smoking in your home | Do not have/do not see this person About every day Sometimes Never | No- do not have/do not see this person and never Yes- about every day and sometimes | Yes - for both dichotomized items |
SHSb exposure in your home | During the past 7 days, on how many days has anyone smoked inside your home, in your presence? | 0 days 1 to 2 days 3 to 4 days 5 to 6 days 7 days | No-0 days Yes-1 to 2 days 3 to 4 days 5 to 6 days 7 days | |
SHSb exposure outside home | During the past 7 days, on how many days has anyone smoked in your presence, inside any enclosed public place, other than your home (such as office, school, shops, restaurants, cinemas, and night club)? | 0 days 1 to 2 days 3 to 4 days 5 to 6 days 7 days | No-0 days Yes-1 to 2 days 3 to 4 days 5 to 6 days 7 days | No- no for all three dichotomized items Yes - for all three dichotomized items |
During the past 7 days, on how many days has anyone smoked in your presence, inside any public transportation vehicles, such as trains, buses, or taxicabs? | I did not use public transportation during the past 7 days I used public transportation, but no one smoked in my presence 1 to 2 days 3 to 4 days 5 to 6 days 7 days | No- “I did not use public transportation during the past 7 days” and “I used public transportation, but no one smoked in my presence” Yes-1 to 2 days 3 to 4 days 5 to 6 days 7 days |
During the past 7 days, on how many days has anyone smoked in your presence, at any outdoor public place (such as playgrounds, sidewalks, entrances to buildings, parks, beaches, and vehicle)? | 0 days 1 to 2 days 3 to 4 days 5 to 6 days 7 days | No-0 days Yes-1 to 2 days 3 to 4 days 5 to 6 days 7 days |
Exposure to antismoking media messages | During the past 30 days, how many antismoking media messages (e.g., television, radio, billboards, posters, newspapers, magazines, and movies) have you seen? | Yes No | Yes No | No- no for both dichotomized items Yes - for both dichotomized items |
Exposure to smoking media messages in the media | During the past 30 days, did you see any people using tobacco on TV, in videos, or in movies? | I did not watch TV, videos, or movies Yes No | Yes = “yes” No = “I did not watch TV, videos, or movies” and “no” | |
Favour toward smoking ban | Are you in favour of banning smoking inside enclosed public places (such as schools, shops, restaurants, supermarket, shopping centers, movie theaters, and youth homes ...)? | No Yes | No Yes | |
Are you in favour of banning smoking at outdoor public places (such as stadium, public place, recreation areas, sidewalks, entrances to buildings, and beaches)? | No Yes | No Yes | |
Knowledge about harmful effects of SHS | Do you think the smoke from other people’s cigarettes is harmful to you? | Definitely not Probably not Probably yes Definitely yes | No “definitely not” for both items Yes - any other responses For either item | |
Tobacco industry promotion | Do you have something (t-shirt, pen, backpack, etc.) with a cigarette brand logo on it? | No Yes | No Yes | No- no for both dichotomized items |
Has a cigarette representative ever offered you a free cigarette? | No Yes | No Yes | Yes - for both dichotomized items |
Antismoking school education | During the past 12 months, were you taught in any of your classes about the dangers of tobacco use? | No I do not know Yes | No- no I do not know Yes- yes | |
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