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Table 1 Characteristics of each casino visited in the present study and dates of count visits

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

Casinoa

Square Footageb

Total Number of Slot Machines Countedc

Total Number of Table Games Countedc

Number of Tables in Poker Areac

Number of High Stakes Slot Machinesc

NS Area Typec,d

Dates of Count Visitsf

A

70,000

1900

38

11

50

Open

10/24; 10/25

B e

310,000

2230

50

15

30

Open

8/23; 8/30

C

55,000

1585

54

15

85

Open

10/10; 10/11

D

150,000

2030

103

21

100

Open

10/24; 10/25

E

650,000

2200

76

N/A

50

Enclosed

10/26; 11/1

F

188,000

2100

287

55

250

Open

10/17; 10/18

G

30,000

1120

26

8

20

Open

10/25; 10/26

H

110,000

1900

44

8

20

Partial

10/24; 10/25

I e

305,000

2570

83

23

20

Enclosed

9/5; 9/6

J

62,000

1614

18

N/A

114

Partial

10/10; 10/11

K

210,000

2540

60

18

40

Partial

8/16; 8/23

  1. aCasino names have been replaced with anonymous identifiers.
  2. bData on square footage for each casino was obtained from the 500 Nations Website [1].
  3. cCounts of slots and tables were determined from the on-site (firsthand) observations made in each casino for the present study in both nonsmoking (NS) and smoking (S) areas. The type of nonsmoking area for each casino was also observed firsthand for the present study.
  4. d“Enclosed” nonsmoking (NS) areas were defined as being in a different room that had enclosing walls limiting direct air flow from smoking (S) areas; “Partial” (partially separate) nonsmoking areas were in a different room but had no barriers to air flow from the smoking areas; “Open” nonsmoking areas were in the same room and not physically separated from the main casino smoking areas. See Table 5 for further notes on the type of nonsmoking area observed in each casino.
  5. eSquare footage values for Casinos B and I were not available on 500 Nations Website [1] and were obtained from other online sources including casino-specific websites (not cited here to avoid casino disclosure).
  6. fDate of casino visits where counts of patrons were made, two per casino, in MM/DD format. All visits were made on Friday or Saturday evenings or early the next morning (from 6 pm to 3 am) in 2008. The time difference between the two visits ranged from 1 day to 7 days. See Table 5 for the dates on which we made PM2.5 measurements.