Table 3

Knowledge of smoking-related health risks, New York City (August 2009 and September 2010)

OverallWave 1Wave 2t Test
n (%)n (%)n (%)p Value*
Total 504 (100)503 (100)
Proportion who agree that the following health effects are caused by smoking cigarettes (% who strongly agree/agree)
 Gum or mouth disease864 (90.7)414 (87.9)450 (93.4) <0.01
 Stroke804 (86.3)376 (83.0)428 (89.4) 0.01
 Lung cancer969 (97.0)479 (96.0)490 (98.0)0.06
 Throat or mouth cancers934 (94.3)457 (92.5)477 (96.0) 0.02
 Impotence in men390 (51.5)173 (45.5)217 (57.4) <0.01
 Asthma874 (88.6)445 (90.6)429 (86.5) 0.04
 Heart disease837 (88.3)393 (85.6)444 (90.8) 0.01
 Emphysema856 (91.4)421 (91.3)435 (91.4)0.97
 Liver disease/cirrhosis510 (58.2)239 (55.7)271 (60.6)0.14
 Diabetes309 (35.7)157 (37.2)152 (34.2)0.36
  • Significant differences across survey wave are noted in bold typeface.

  • * p Value for t test of wave 1 versus wave 2.