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Figure 3 | BMC Public Health

Figure 3

From: Small proportions of actively-smoking patrons and high PM2.5 levels in southern California tribal casinos: support for smoking bans or designated smoking areas

Figure 3

(A and B). The occupancy of patrons in nonsmoking areas relative to the main (low stakes) smoking areas. [(A) casinos with partially separate or enclosed nonsmoking areas (i.e., having enclosing walls and a door); and (B) casinos with open nonsmoking areas. The bars for each casino show results for the two separate visits. Relative occupancy was calculated as the occupancy rate (observed total people divided by theoretical maximum capacity) within the nonsmoking areas (slots + tables) divided by the occupancy rate in the main smoking-allowed areas of the casino (low-stakes slots + tables). A relative occupancy of 1.0 (ratio) indicates that the occupancy rate of the nonsmoking area is equal to that of the main smoking areas; less than or greater than 1 indicates that the nonsmoking area is proportionally less or more occupied relative to the main gaming areas].

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