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Table 3 Exposure settings of Salmonella Enteritidis cases with major phage types in Ontario, Canada, 2008–2009

From: Spatial-temporal epidemiology of human Salmonella Enteritidis infections with major phage types (PTs 1, 4, 5b, 8, 13, and 13a) in Ontario, Canada, 2008–2009

Phage type

Exposure setting

  
 

Private home

Food premise

International travel

Other setting

Unknown

Missing

 

n (n/M %)

n (n/M %)

n (n/M %)

n (n/M %)

n (n/M %)

(n/N %)

PT 1 (N = 132) (M = 93)

3 (3)

4 (4)

60 (65)

0

26 (28)

39 (30)

PT 4 (N = 76) (M = 48)

0

3 (6)

33 (69)

1 (2)

11 (23)

28 (37)

PT 5b (N = 83) (M = 58)

0

1 (2)

44 (76)

0

13 (22)

25 (30)

PT 8 (N = 398) (M = 285)

38 (13)

33 (12)

29 (10)

4 (1)

181 (64)

113 (28)

PT 13 (N = 198) (M = 158)

21 (13)

24 (15)

10 (6)

3 (2)

100 (64)

40 (20)

PT 13a (N = 218) (M = 157)

22 (14)

14 (9)

14 (9)

4 (2)

103 (66)

61 (28)

PT Others (N = 231) (M = 165)

9 (6)

7 (4)

73 (44)

4 (2)

72 (44)

66 (29)

Total (N = 1336) (M = 964)

93 (10)

86 (9)

263 (27)

16 (2)

506 (52)

372 (28)

  1. Of the 1,336 S. Enteritidis cases with known phage types, 964 cases had exposure setting information available. n = number of S. Enteritidis cases with the exposure setting. M = number of S. Enteritidis cases that had exposure setting information available. N = number of S. Enteritidis cases with the phage type. Exposure settings in the surveillance database were categorized as: international travel (i.e., travelled outside of Canada), private home, food premise (e.g., restaurant, grocery store, bakery, deli, caterer, mobile food premise), other (e.g., institution, hospital, farm, petting zoo, child care centre), or unknown (if the only exposure reported was “unknown”)