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. Author manuscript; available in PMC: 2022 Sep 1.
Published in final edited form as: Addiction. 2021 Mar 23;116(9):2509–2520. doi: 10.1111/add.15454

Table 1:

Descriptive Statistics of Cases & Episodes

Variable Categories Cases Episodes
Count % Count %
Country Canada 7,767 21.4 10,077 24.0
USA 14,195 39.0 8,665 21.5
UK 7,518 20.7 10,611 26.3
Australia 6,887 18.9 11,035 27.2
Sex Female 18,223 50.1 22,822 56.5
Male 16,583 45.6 17,566 44.5
Missing 1,561 4.3 - -
Age at Recruitment 18–24 4,896 13.5 2,708 6.7
25–39 10,084 27.7 10,301 25.5
40–54 11,280 31.0 16,593 41.1
55+ 8,290 22.8 10,785 26.7
Missing 1,817 5.0 1 0.0
Total 36,367 40,388