Table 3. Sociodemographic characteristics of persons with community-acquired Legionnaires’ disease, New York, New York, USA, 2002–2011*.

Poverty level† and race/ethnicity	Cumulative no. cases	Average annual incidence/100,000 population
		Crude	Age-adjusted‡
Very low
White non-Hispanic	53	1.3	0.92
Black non-Hispanic	9	1.9	2.0
Hispanic	4	1.0	1.4
Asian/Native Hawaiian/Pacific Islander/American Indian non-Hispanic	4	0.83	1.5
Other/multirace non-Hispanic	0	0	0
Unknown	10
Low
White non-Hispanic	130	1.4	1.1
Black non-Hispanic	34	1.5	1.6
Hispanic	13	0.79	1.0
Asian/Native Hawaiian/Pacific Islander/American Indian non-Hispanic	11	0.74	1.1
Other/multirace non-Hispanic	3	0.62	1.2
Unknown	38
Medium
White non-Hispanic	112	1.3	0.98
Black non-Hispanic	76	1.7	1.8
Hispanic	45	0.92	1.2
Asian/Native Hawaiian/Pacific Islander/American Indian non-Hispanic	7	0.23	0.29
Other/multirace non-Hispanic	4	0.38	0.50
Unknown	54
High
White non-Hispanic	50	1.3	0.94
Black non-Hispanic	88	1.7	1.9
Hispanic	40	0.75	1.1
Asian/Native Hawaiian/Pacific Islander/American Indian non-Hispanic	6	0.31	0.39
Other/multirace non-Hispanic	3	0.43	0.60
Unknown	60
Very high
White non-Hispanic	24	2.3	1.8
Black non-Hispanic	78	2.2	2.5
Hispanic	48	1.0	1.4
Asian/Native Hawaiian/Pacific Islander/American Indian non-Hispanic	8	0.98	1.1
Other/multirace non-Hispanic	3	1.1	1.5
Unknown	35
Highest
White non-Hispanic	20	2.6	2.6
Black non-Hispanic	91	2.7	3.3
Hispanic	55	1.2	1.7
Asian/Native Hawaiian/Pacific Islander/American Indian non-Hispanic	0	0	0
Other/multirace non-Hispanic	1	0.45	0.87
Unknown	44
Total	1,261

*Eighteen cases could not be geolocated to a census tract and were excluded from the total case count.
†By percentage of residents with household incomes <100% of the federal poverty level according to 2000 U.S. Census data: very low, <5%; low, 5%–9%; medium, 10%–19%; high, 20%–29%; very high, 30%–39%; highest, >40%.
‡Age-adjustment calculations were based on 2000 U.S. Census standard population.