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Table 4 Distribution of age at smoking initiation by country, weighted.

From: Determinants of smoking initiation among women in five European countries: a cross-sectional survey

  All France Ireland Italy Czech Republic Sweden
  (n = 2364) (n = 461) (n = 515) (n = 472) (n = 427) (n = 489)
Mean age at initiation 18.2 18.1 17.9 18.6 19.6 17.1
(ANOVA p-value < 0.01)       
Range and quartile distribution of age at initiation       
   Maximum 60 50 50 55 60 45
   75% quartile 20 19 20 20 20 18
   Median 17 17 17 18 18 16
   25% quartile 15 16 15 15 16 14
   Minimum 10 11 10 12 10 11
Age at initiation       
   <14 6.8% 3.2% 9.0% 6.0% 1.4% 12.0%
   14-15 20.7% 18.1% 20.2% 19.7% 13.7% 29.3%
   16-17 24.7% 29.6% 23.2% 22.6% 25.9% 23.4%
   18-19 20.4% 24.7% 21.5% 20.6% 20.6% 15.6%
   20-21 13.3% 12.7% 13.0% 14.3% 18.2% 9.6%
   22-23 4.0% 3.4% 3.7% 5.1% 3.9% 3.7%
   24-25 3.7% 2.6% 4.6% 4.0% 4.8% 2.6%
   26-27 1.0% 0.8% 0.7% 1.1% 1.9% 0.9%
   28-29 0.8% 0.7% 1.0% 0.4% 0.9% 1.0%
   30+ 4.6% 4.2% 3.1% 6.2% 8.7% 2.0%