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Table 1 Percent of First Nations/Native cigarette butts by school

From: Contraband tobacco on post-secondary campuses in Ontario, Canada: analysis of discarded cigarette butts

School Total number of butts collected Butts definitively-identified as First Nations/Native Final calculation of amount of First Nations/Native tobacco
   n identified % n identified + n assumed b %
1a 1,249 11 0.88 19.9 1.60
2a 1,710 33 1.93 50.9 2.97
3a 2,440 48 1.97 77.6 3.18
4 1,662 53 3.19 69.0 4.15
5 1,203 40 3.33 56.6 4.70
6 2,046 103 5.03 115.3 5.64
7 502 27 5.38 30.7 6.12
8 916 40 4.37 56.2 6.14
9 1,621 80 4.94 115.0 7.10
10 766 53 6.92 55.5 7.24
11 848 52 6.13 77.3 9.12
12a 3,198 175 5.47 315.2 9.86
13 2,191 182 8.31 226.4 10.33
14 1,144 84 7.34 118.8 10.39
15 1,920 229 11.93 270.3 14.08
16 1,766 225 12.74 275.8 15.62
17 1,357 181 13.34 258.4 19.04
18 740 113 15.27 144.5 19.52
19 975 151 15.49 194.4 19.93
20a 810 94 11.60 162.0 20.00
21 422 75 17.77 98.1 23.25
22 1,638 375 22.89 411.6 25.13
23 2,122 649 30.58 786.9 37.08
24 1,765 562 31.84 679.2 38.48
25 1,344 447 33.26 527.5 39.25
  1. aAt these schools, more than half of the butts collected were unidentifiable; at the remaining 20 schools, the proportion of unidentifiable butts ranged from 5%-48%, M = 27%, Mdn = 25%.
  2. b n assumed = (number of unidentifiable butts)*(percent of butts definitively identifiable as First Nations/Native tobacco [as shown in column 4]).