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Table 1 Distribution of any and frequent cannabis use and socioeconomic adversities among boys and girls in the 8th or 9th grades of comprehensive school in Finland between 2000 and 2015 (%)

From: Changes in cannabis use according to socioeconomic status among Finnish adolescents from 2000 to 2015

  Boys (n = 381527) Girls (n = 376814)
Age, years (mean (sd)) 15.4 (0.7) 15.3 (0.6)
Lifetime cannabis usea
 Yes 8.1 6.0
 No 90.7 93.3
Frequent cannabis useb
 Yes 2.9 1.5
 No 95.9 97.9
Lives with both parents
 Yes 74.4 73.7
 No 23.3 25.1
Both parents only basic education
 Yes 5.6 5.9
 No 86.8 87.5
Parental unemployment past year
 No 70.9 69.9
 One parent 23.6 25.6
 Both parents 3.2 3.3
  1. aUsed cannabis at least once in one’s lifetime
  2. bUsed cannabis at least five times in one’s lifetime