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Table 3 Level of perceived cues, perceived susceptibility, perceived severity, and knowledge about the health risks of smoking by year between 2012 and 2017a

From: Differences in smokers’ awareness of the health risks of smoking before and after introducing pictorial tobacco health warnings: findings from the 2012–2017 international tobacco control (ITC) Netherlands surveys

 201220132014201520162017
Perceived cues (meanb, (SD))2.3 (0.9)2.4 (1.0)2.3 (1.0)2.4 (1.0)2.7 (1.0)**2.7 (1.1)
Perceived susceptibility (meanb, (SD))3.1 (0.9)3.1 (1.0)3.1 (0.9)3.2 (1.0)3.2 (1.0)3.2 (1.0)
Perceived severity (meanb, (SD))3.4 (1.0)3.4 (1.0)3.3 (1.0)3.3 (1.0)3.6 (1.1)**3.5 (1.0)
Knowledge (meanc, (SD))4.3 (2.2)4.3 (2.3)4.4 (2.3)4.5 (2.4)4.8 (2.5)**5.1 (2.6)**
 Blindness (%)7.79.511.712.023.4**34.6**
 Heart disease (%)74.373.974.673.177.6*78.9
 Impotence (%)50.552.354.754.056.559.1
 Lung cancer (%)86.186.286.184.386.085.5
 Mouth and throat cancer (%)75.173.572.974.177.180.6
 Stroke (%)62.060.660.159.665.0*67.4
 Lung cancer due to SHS (%)53.752.052.456.053.057.5
 Heart disease due to SHS (%)38.138.238.641.044.148.2
  1. SD, standard deviation
  2. SHS, secondhand smoke
  3. a: Estimates were weighted for gender and age
  4. b: On a scale from 1 to 5
  5. c: On a scale from 0 to 8
  6. *Paired sample t-test or χ2 analysis showed a difference of p < 0.01 compared with the previous wave
  7. **Paired sample t-test or χ2 analysis showed a difference of p < 0.001 compared with the previous wave