DevCon

Slides and notes from meetings

DevCon 6/15/16 CADD & MLS

Phenotypes

Cigarettes per Day

CADD

In CADD sufficient information to calculate CPD was present only at Waves 2 and 3 in LTS and CTS. At Wave 2 we used the following questions from the CIDI-SAM:

• Question B1B: How would you describe your usual pattern of cigarette smoking in the past 12 months? Would you describe it as...
  • Every day?
  • 5 or 6 days a week?
  • 3 or 4 days a week?
  • 1 or 2 days a week?
  • 1 to 3 days a month
  • Less than once a month?

• Question B1C: In the past 12 months when you were smoking cigarettes (FREQUENCY IN B1B), how many would you usually smoke in a day? IF MORE THAN 95, CODE 96: ______ (# Cigarettes)

Question XX:

These questions were combined by doing [this, that, and the other]

At Wave 3 we used the following questions from the SAM supplement:

Question XX:

Question XX:

These questions were combined by doing [this, that, and the other]

After data cleaning, the distributions of these variables looked like this: [insert the scatterplot here?]