Table 3. Open in new tab Association of...

Characteristic	Incidence per 100 000 Person-Years by Poverty Level				P Value (χ ² for Trend)	IRR^a (95% CI)
All patients	36.44	48.61	61.06	75.35	<0.001	2.07 (1.95–2.20
Race/ethnic group
Hispanic	32.58	35.26	39.81	43.38	<0.001	1.33 (1.09–1.63)
Non-Hispanic
White	28.95	39.78	48.79	71.21	<0.001	2.46 (2.25–2.69)
Black	41.63	47.03	56.44	66.03	<0.001	1.59 (1.31–1.92)
Asian	32.56	55.88	78.62	103.16	<0.001	3.17 (2.47–4.07
FoodNet Site
California	31.57	53.16	59.87	70.32	<0.001	2.23 (1.75–2.83)
Colorado	15.52	23.45	28.32	24.23	0.025	1.56 (1.11–2.19)
Connecticut	21.33	22.82	28.01	23.50	NS^a	1.10 (.81–1.50)
Georgia	98.13	117.19	129.41	136.71	<0.001	1.39 (1.26–1.55)
Maryland	40.81	46.36	51.36	107.01	<0.001	2.62 (2.26–3.05)
Minnesota	20.18	24.27	27.38	46.86	<0.001	2.32 (1.84–2.92)
New Mexico	30.62	57.52	39.64	47.80	NS	1.56 (.97–2.52)
New York	17.28	15.35	22.65	17.83	NS	1.03 (.73–1.56)
Oregon	22.51	16.89	22.63	24.35	NS	1.08 (.65–1.79)
Tennessee	59.95	65.61	58.00	59.20	NS	0.99 (.83–1.19

Characteristic

Incidence per 100 000 Person-Years by Poverty Level

P Value (χ ² for Trend)

IRR^a (95% CI)

<5%

5% to <10%

10% to <20%

≥20%

All patients

36.44

48.61

61.06

75.35

<0.001

2.07 (1.95–2.20

Race/ethnic group

Hispanic

32.58

35.26

39.81

43.38

<0.001

1.33 (1.09–1.63)

Non-Hispanic

White

28.95

39.78

48.79

71.21

<0.001

2.46 (2.25–2.69)

Black

41.63

47.03

56.44

66.03

<0.001

1.59 (1.31–1.92)

Asian

32.56

55.88

78.62

103.16

<0.001

3.17 (2.47–4.07

FoodNet Site

California

31.57

53.16

59.87

70.32

<0.001

2.23 (1.75–2.83)

Colorado

15.52

23.45

28.32

24.23

0.025

1.56 (1.11–2.19)

Connecticut

21.33

22.82

28.01

23.50

NS^a

1.10 (.81–1.50)

Georgia

98.13

117.19

129.41

136.71

<0.001

1.39 (1.26–1.55)

Maryland

40.81

46.36

51.36

107.01

<0.001

2.62 (2.26–3.05)

Minnesota

20.18

24.27

27.38

46.86

<0.001

2.32 (1.84–2.92)

New Mexico

30.62

57.52

39.64

47.80

1.56 (.97–2.52)

New York

17.28

15.35

22.65

17.83

1.03 (.73–1.56)

Oregon

22.51

16.89

22.63

24.35

1.08 (.65–1.79)

Tennessee

59.95

65.61

58.00

59.20

0.99 (.83–1.19

Characteristic	Incidence per 100 000 Person-Years by Poverty Level				P Value (χ ² for Trend)	IRR^a (95% CI)
All patients	36.44	48.61	61.06	75.35	<0.001	2.07 (1.95–2.20
Race/ethnic group
Hispanic	32.58	35.26	39.81	43.38	<0.001	1.33 (1.09–1.63)
Non-Hispanic
White	28.95	39.78	48.79	71.21	<0.001	2.46 (2.25–2.69)
Black	41.63	47.03	56.44	66.03	<0.001	1.59 (1.31–1.92)
Asian	32.56	55.88	78.62	103.16	<0.001	3.17 (2.47–4.07
FoodNet Site
California	31.57	53.16	59.87	70.32	<0.001	2.23 (1.75–2.83)
Colorado	15.52	23.45	28.32	24.23	0.025	1.56 (1.11–2.19)
Connecticut	21.33	22.82	28.01	23.50	NS^a	1.10 (.81–1.50)
Georgia	98.13	117.19	129.41	136.71	<0.001	1.39 (1.26–1.55)
Maryland	40.81	46.36	51.36	107.01	<0.001	2.62 (2.26–3.05)
Minnesota	20.18	24.27	27.38	46.86	<0.001	2.32 (1.84–2.92)
New Mexico	30.62	57.52	39.64	47.80	NS	1.56 (.97–2.52)
New York	17.28	15.35	22.65	17.83	NS	1.03 (.73–1.56)
Oregon	22.51	16.89	22.63	24.35	NS	1.08 (.65–1.79)
Tennessee	59.95	65.61	58.00	59.20	NS	0.99 (.83–1.19

Table 3.

Open in new tab

Association of Domestic Salmonella Case Incidence in Children <5 Years Old With Census Tract Poverty by Race/Ethnicity and Foodborne Diseases Active Surveillance Network Site

Characteristic	Incidence per 100 000 Person-Years by Poverty Level				P Value (χ ² for Trend)	IRR^a (95% CI)
	<5%	5% to <10%	10% to <20%	≥20%
All patients	36.44	48.61	61.06	75.35	<0.001	2.07 (1.95–2.20
Race/ethnic group
Hispanic	32.58	35.26	39.81	43.38	<0.001	1.33 (1.09–1.63)
Non-Hispanic
White	28.95	39.78	48.79	71.21	<0.001	2.46 (2.25–2.69)
Black	41.63	47.03	56.44	66.03	<0.001	1.59 (1.31–1.92)
Asian	32.56	55.88	78.62	103.16	<0.001	3.17 (2.47–4.07
FoodNet Site
California	31.57	53.16	59.87	70.32	<0.001	2.23 (1.75–2.83)
Colorado	15.52	23.45	28.32	24.23	0.025	1.56 (1.11–2.19)
Connecticut	21.33	22.82	28.01	23.50	NS^a	1.10 (.81–1.50)
Georgia	98.13	117.19	129.41	136.71	<0.001	1.39 (1.26–1.55)
Maryland	40.81	46.36	51.36	107.01	<0.001	2.62 (2.26–3.05)
Minnesota	20.18	24.27	27.38	46.86	<0.001	2.32 (1.84–2.92)
New Mexico	30.62	57.52	39.64	47.80	NS	1.56 (.97–2.52)
New York	17.28	15.35	22.65	17.83	NS	1.03 (.73–1.56)
Oregon	22.51	16.89	22.63	24.35	NS	1.08 (.65–1.79)
Tennessee	59.95	65.61	58.00	59.20	NS	0.99 (.83–1.19

Characteristic	Incidence per 100 000 Person-Years by Poverty Level				P Value (χ ² for Trend)	IRR^a (95% CI)
	<5%	5% to <10%	10% to <20%	≥20%
All patients	36.44	48.61	61.06	75.35	<0.001	2.07 (1.95–2.20
Race/ethnic group
Hispanic	32.58	35.26	39.81	43.38	<0.001	1.33 (1.09–1.63)
Non-Hispanic
White	28.95	39.78	48.79	71.21	<0.001	2.46 (2.25–2.69)
Black	41.63	47.03	56.44	66.03	<0.001	1.59 (1.31–1.92)
Asian	32.56	55.88	78.62	103.16	<0.001	3.17 (2.47–4.07
FoodNet Site
California	31.57	53.16	59.87	70.32	<0.001	2.23 (1.75–2.83)
Colorado	15.52	23.45	28.32	24.23	0.025	1.56 (1.11–2.19)
Connecticut	21.33	22.82	28.01	23.50	NS^a	1.10 (.81–1.50)
Georgia	98.13	117.19	129.41	136.71	<0.001	1.39 (1.26–1.55)
Maryland	40.81	46.36	51.36	107.01	<0.001	2.62 (2.26–3.05)
Minnesota	20.18	24.27	27.38	46.86	<0.001	2.32 (1.84–2.92)
New Mexico	30.62	57.52	39.64	47.80	NS	1.56 (.97–2.52)
New York	17.28	15.35	22.65	17.83	NS	1.03 (.73–1.56)
Oregon	22.51	16.89	22.63	24.35	NS	1.08 (.65–1.79)
Tennessee	59.95	65.61	58.00	59.20	NS	0.99 (.83–1.19

Abbreviations: CI, confidence interval; FoodNet, Foodborne Diseases Active Surveillance Network; IRR, incidence rate ratio; NS, not significant at the P < .05 level.

^aRatio of incidence for ≥20% to that for <5% poverty level.

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