OTHSMOKE: How often do you think MOST of your classmates smoke tobacco?
OTHECIG: How often do you think MOST of your classmates use E-Cigarettes?
OTHALCO: How often do you think MOST of your classmates drink alcohol?
OTHDRUGS: How often do you think MOST of your classmates take drugs?
OTHSOLV: How often do you think MOST of your classmates use solvents?
OTHLEGHI: How often do you think MOST of your classmates use 'legal highs'?
USMOK: What about you? Have you ever smoked tobacco?
UECIG: What about you? Have you ever used E-Cigarettes?
UALC: What about you? Have you ever drunk alcohol?
USOLV: What about you? Have you ever used solvents?
ULEGHI: What about you? Have you ever used 'legal highs'?
UDRUG: What about you? Have you ever taken illegal drugs?
