Stanford Technology Analytics and Genomics in Sleep

never_cigarette_smoker

Cigarette smoking, never smoker

Which of the following best describes your use of tobacco products? Never been a smoker/smoked less than 100 cigarettes in my life

never_cigarette_smoker = if index(soclhx_1100, '0') then never_cigarette_smoker = 1; else if soclhx_1100 ne '' then never_cigarette_smoker= 0;

• 0: No
• 1: Yes

choices