Table 1

Current Measures of Awareness of Combustible PREPs

HOW SURVEYS ASK ABOUT AWARENESS

Percent of smokers affirming awareness

Studies with data

(citation numbers shown)*

Describe PREPs as "less harmful"

19-40%

[18]; (A8. A10, A15)

Describe mechanism of PREP

13%

(A9)

Recognition - read names

11-53%

[24,25]; (A11)

Recognition - show a product advertisement

8%

[26]

Unaided recall

0-8%

[18,24]; (A8, A9, A10, A15)

*Citations A8 through A15 refer to unpublished studies listed in Additional file 1.

Bogen et al. Harm Reduction Journal 2009 6:27   doi:10.1186/1477-7517-6-27