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Table 2 Knowledge about tobacco harm and exposure among Israelis, for individual questions, by smoking status

From: Knowledge and risk perceptions of Israelis towards combustible cigarettes: the need for immediate remedial action

  Current Smoker (%) Former Smoker (%) Never Smoker (%) Overall (%) N p-value
Knowledge 1: Length and quality of life Shortens life 5.4 9.0 7.9 7.6 38  
Damages quality of life 17.1 9.7 9.1 11.0 55  
Shortens life and damages quality 57.7 75.4 77.1 72.3 360  
Neither 7.2 0 0.8 2.0 10  
Don’t know 12.6 6.0 5.1 7.0 35  
  N 111 134 253   498 <.001
Knowledge 2: Secondhand smoke causes lung cancer and/or heart disease Lung cancer 5.4 9.0 12.8 10.1 50  
Heart disease 0.9 0.8 2.0 1.4 7  
Both 57.7 73.1 73.2 69.7 345  
Neither 9.0 5.2 2.0 4.4 22  
Don’t know 27.0 11.9 10.0 14.3 71  
  N 111 134 250   495 <.001
Knowledge 3: Smoking in Israel kills less than/more than/same as are killed in traffic accidents Less 36.9 17.0 21.6 23.8 118  
More 19.8 29.6 32.0 28.6 142  
Same 9.9 11.1 12.0 11.3 56  
Don’t know 33.3 42.2 34.4 36.3 180  
  N 111 135 250   496 .008
Knowledge 4: How many heavy smokers suffer or will suffer from health problems because of their smoking? Everyone 8.0 17.8 19.6 16.5 83  
Most 47.3 51.9 54.9 52.4 263  
Half 23.2 14.8 14.1 16.3 82  
Minority 10.7 2.2 2.8 4.4 22  
No one 1.8 0 0.8 0.8 4  
Don’t know 8.9 13.3 7.8 9.6 48  
  N 112 135 255   502 <.001
Knowledge of harm (based on 3 questions [Knowledge 1, Knowledge 2, Knowledge 4]) 3 questions not answered correctly 78.4 56.4 50.0 58.1 287  
  3 questions answered correctly 21.6 43.6 50.0 41.9 207  
  N 111 133 250   494 <.001