Table 2.

Constructs in C-TUQ

1	Ever smoker status
2	Age first smoked
3	Age began smoking regularly
4	Total duration smoked
5	Average number of cigarettes per day
6	Time since last cigarette
7	Smoking frequency during time periods related to cancer diagnosis and treatment
8	Regular use of other products (combustible, smokeless, and aerosol products, e.g., e-cigarettes) since diagnosis
9	Longest time stayed off cigarettes since cancer diagnosis
10a	Smoking at all in past 30 days
10b	Number of days smoked in past 30 days
11	Use of tobacco cessation products since diagnosis
12	Quit assistance methods since diagnosis
13	Cancer doctors advised to quit
14	Trying to quit in past 30 days
15	Smoking cessation products in past 30 days
16	Quit assistance methods in past 30 days
17	Regular use of other (combustible, smokeless, and aerosol products, e.g., e-cigarettes) products (ever)
18	Other tobacco products in past 30 days
19	Currently living with a smoker
20	Secondhand cigarette smoke exposure in home and work environments in past 30 days
21	Secondhand cigarette exposure in home (ever) and total years
22	Secondhand cigarette exposure in workplace (ever) and total years