Table 2

Awareness and impact of point-of-sale health warning signs on knowledge and smoking-related behaviours, New York City (November 2009 and August to September 2010)

Wave 1Wave 2t TestAdjusted RR*
n (%)n (%)p ValueRR (95% CI)p Value
Awareness and impact of signs
 Among all respondents
  % Who noticed signs during current visit to store or in last 30 days (with confirmed awareness)150 (29.8)335 (66.6) <0.01 2.01 (1.74 to 2.33) <0.01
 Among those who noticed signs during current visit to store or in last 30 days (with confirmed awareness)
  Extent to which health warning signs made respondent think about the health risks of smoking ‘a lot’48 (33.8)155 (47.1) 0.01 1.11 (0.96 to 1.28) 0.16
  Extent to which health warning signs made respondent think about quitting smoking ‘a lot’ (current smokers only)40 (30.8)126 (43.0) 0.02 1.11 (1.01 to 1.22) 0.04
  Extent to which health warning signs helped respondent to quit or stay quit ‘a lot’ (recent quitters only)10 (58.8)19 (50.0)0.55
 Among smokers who noticed signs during current visit to store or in last 30 days (with confirmed awareness)
  % Reporting that health warning signs stopped them from purchasing cigarettes when about to buy them during current visit to store17 (14.8)24 (8.3)0.05
  • Significant differences across survey wave are noted in bold typeface.

  • * RR adjusted for: age, sex, race, education, shopping frequency, cigarette consumption (1–10 CPD vs 11+) and language spoken at home (Spanish/other vs English).

  • p Value reflects χ2 test for analysis of parameter estimates.