Behavioural Risks (BR)
|BR003: HOW MANY YEARS SMOKED|
|In wave, an if-condition was added. Interviewer instructions differ also between wave 1 and 2.
|Text of the question|
|For how many years [do/did] [you/you] [smoke/smoke] altogether?|
|IWER: DON'T INCLUDE PERIODS WITHOUT SMOKING|