Volume 26, Number 3—March 2020
CME ACTIVITY - Synopsis
Epidemiology of Cryptosporidiosis, New York City, New York, USA, 1995–20181
Table 1
Category | 2000–2014 |
2015–2018 |
|||||
---|---|---|---|---|---|---|---|
No. cases | Incidence | IRR (95% CI) | No. cases | Incidence | IRR (95% CI) | ||
No. cases |
3,244 |
1.46 |
740 |
2.11 |
|||
Age group, y† | |||||||
<5 | 261 | 2.30 | 1.05 (0.83–1.32) | 78 | 3.13 | 1.11 (0.76–1.60) | |
5–9 | 149 | 1.26 | 0.65 (0.50–0.85) | 34 | 1.75 | 0.55 (0.35–0.86) | |
10–19 | 170 | 0.75 | 0.37 (0.29–0.48) | 57 | 1.44 | 0.49 (0.33–0.73) | |
20–44 | 1,827 | 2.17 | Referent | 413 | 3.13 | Referent | |
45–59 | 580 | 1.41 | 0.70 (0.57–0.86) | 107 | 1.70 | 0.52 (0.36–0.74) | |
>59 |
254 |
0.39 |
0.22 (0.17–0.29) |
51 |
0.69 |
0.24 (0.16–0.36) |
|
Sex | |||||||
M | 2,230 | 2.00 | 2.06 (1.70–2.49) | 484 | 2.71 | 1.82 (1.34–2.48) | |
F |
1,014 |
0.80 |
Referent |
255 |
1.60 |
Referent |
|
Sex and age group, y† | |||||||
All <20 | 580 | 1.26 | 0.43 (0.35–0.52) | 169 | 2.19 | 0.57 (0.39–0.84) | |
Men 20–59 | 1,789 | 2.96 | Referent | 355 | 3.55 | Referent | |
Men >59 | 135 | 0.60 | 0.22 (0.16–0.30) | 33 | 1.06 | 0.30 (0.19–0.50) | |
Women >20 |
737 |
0.74 |
0.24 (0.20–0.30) |
182 |
1.43 |
0.34 (0.23–0.51) |
|
Borough of residence | |||||||
Bronx | 583 | 1.59 | 0.57 (0.48–0.68) | 129 | 2.09 | 0.54 (0.38–0.75) | |
Brooklyn | 642 | 1.11 | 0.34 (0.28–0.40) | 186 | 1.48 | 0.39 (0.28–0.54) | |
Manhattan | 1,580 | 3.18 | Referent | 314 | 4.91 | Referent | |
Queens | 380 | 0.60 | 0.24 (0.19–0.29) | 103 | 1.05 | 0.29 (0.21–0.41) | |
Staten Island |
51 |
0.46 |
0.55 (0.38–0.80) |
8 |
0.43 |
0.30 (0.13–0.66) |
|
Race/ethnicity‡ | |||||||
Hispanic | 969 | 1.45 | 1.16 (0.96–1.40) | 194 | 1.96 | 0.76 (0.56–1.04) | |
Non-Hispanic white | 1,067 | 1.18 | Referent | 310 | 2.47 | Referent | |
Non-Hispanic black/African American | 855 | 1.77 | 1.45 (1.20–1.75) | 122 | 1.54 | 0.65 (0.46–0.91) | |
Other |
161 |
0.68 |
0.79 (0.61–1.03) |
77 |
1.39 |
0.69 (0.47–1.01) |
|
Immune status†‡ | |||||||
Non-HIV/AIDS | 1,349 | 0.65 | Referent | 544 | 1.56 | Referent | |
HIV/AIDS |
1,863 |
55.6 |
89.0 (70.2–112.3) |
190 |
39.0 |
23.30 (16.4–33.2) |
|
Neighborhood poverty‡§ | |||||||
Low | 883 | 1.18 | Referent | 203 | 2.10 | Referent | |
Medium | 769 | 1.56 | 1.03 (0.86–1.25) | 197 | 1.97 | 0.86 (0.61–1.17) | |
High | 583 | 1.46 | 1.23 (1.01–1.49) | 151 | 2.16 | 0.97 (0.69–1.35) | |
Very high | 917 | 1.87 | 1.42 (1.18–1.70) | 188 | 2.45 | 1.17 (0.85–1.62) |
*Incidence is median no. cases/100,000 persons; ACS, American Community Survey; IRR, incidence rate ratio.
†Incidence and IRR not age-adjusted.
‡All categories had <10 missing values with the exception of race/ethnicity during 2000─2014 (n = 192) and 2015─2018 (n = 37), immune status during 2000─2014 (n = 32), and poverty during 2000─2014 (n = 92).
§Classified by percent of census tract residents living below the federal poverty line (low, <10%; medium, 10%–<20%; high, 20%–<30%; very high, >30%); population denominator data were as follows for each listed year: 2000─2004 (2000 US Census); 2005─2009 (ACS 2007–2011); 2010 (2010 Census); 2011 (ACS 2009─2013); 2012 (ACS 2010─2014); 2013 (ACS 2011─2015); 2014─2018 (ACS 2012─2016).
1Preliminary results were presented at the annual meeting of the Council of State and Territorial Epidemiologists, June 11–13, 2018; West Palm Beach, Florida, USA.
2Current affiliation: Los Angeles County Department of Health, Los Angeles, California, USA.
3Current affiliation: Centers for Disease Control and Prevention, Atlanta, Georgia, USA.