TABLE 1.
Number, percentage, and rate of residents treated for heat-related illness, by selected characteristics, type of treatment, and outcome — New York City, 2000–2011*
| Characteristic | Emergency department visits, excluding hospital admissions or deaths (2005–2010) | Hospital admissions, excluding deaths (2000–2010) | Deaths (2000–2011) | ||||||
|---|---|---|---|---|---|---|---|---|---|
|
|
|
|
|||||||
| No. | (%) | Average annual rate per million | No. | (%) | Average annual rate per million | No. | (%) | Average annual rate per million | |
| Total | 2,680 | (100) | 54.9 | 1,675 | (100) | 18.7 | 154 | (100) | 1.6 |
| Female age group (yrs) | |||||||||
| 0–4 | 21 | (1) | 12.1 | 8 | (<1) | 2.5 | 0 | — | — |
| 5–14 | 146 | (5) | 48.2 | 11 | (1) | 2.0 | 1 | (1) | 0.2 |
| 15–34 | 435 | (16) | 61.3 | 35 | (2) | 2.7 | 5 | (3) | 0.4 |
| 35–64 | 414 | (15) | 41.0 | 164 | (10) | 8.9 | 21 | (14) | 1.0 |
| 65–84 | 208 | (8) | 69.3 | 361 | (22) | 65.6 | 26 | (17) | 4.3 |
| ≥85 | 63 | (2) | 99.2 | 206 | (12) | 177.0 | 14 | (9) | 11.0 |
| Male age group (yrs) | |||||||||
| 0–4 | 40 | (1) | 22.0 | 13 | (1) | 3.9 | 2 | (1) | 0.5 |
| 5–14 | 133 | (5) | 42.1 | 14 | (1) | 2.4 | 0 | (0) | 0.0 |
| 15–34 | 519 | (19) | 75.3 | 114 | (7) | 9.0 | 7 | (5) | 0.5 |
| 35–64 | 563 | (21) | 61.9 | 389 | (23) | 23.3 | 53 | (34) | 2.9 |
| 65–84 | 120 | (4) | 59.2 | 272 | (16) | 73.2 | 21 | (14) | 5.2 |
| ≥85 | 18 | (1) | 65.9 | 88 | (5) | 175.8 | 4 | (3) | 7.3 |
| Neighborhood poverty level † | |||||||||
| Low (<10%) | 368 | (14) | 36.7 | 233 | (14) | 12.7 | 24 | (16) | 1.2 |
| Medium (10% to <20%) | 947 | (35) | 52.4 | 614 | (38) | 18.5 | 51 | (35) | 1.4 |
| High (20% to <30%) | 647 | (24) | 55.2 | 408 | (25) | 19.0 | 36 | (24) | 1.5 |
| Very high (≥30%) | 707 | (26) | 76.5 | 357 | (22) | 21.1 | 36 | (24) | 1.9 |
| Other/Unknown§ | 11 | — | — | 63 | — | — | 7 | — | — |
| Homeless ¶ | <6 | NA | NA | 58 | (3) | NA | 7 | (5) | NA |
| Comorbidities | |||||||||
| Cardiovascular | 233 | (9) | NA | 1,069 | (64) | NA | 84 | (55) | NA |
| Diabetes | 106 | (4) | NA | 387 | (23) | NA | 20 | (13) | NA |
| Respiratory | 102 | (4) | NA | 373 | (22) | NA | 6 | (4) | NA |
| Substance use/dependency | 44 | (2) | NA | 240 | (14) | NA | 17 | (11) | NA |
| Mental illness | 63 | (2) | NA | 402 | (24) | NA | 17 | (11) | NA |
| Place of heat illness | |||||||||
| Residence | 270 | (15) | NA | 636 | (48) | NA | 37 | (80) | NA |
| Street | 237 | (14) | NA | 229 | (17) | NA | 4 | (9) | NA |
| Industrial place or worksite | 126 | (7) | NA | 34 | (3) | NA | 1 | (2) | NA |
| Other | 978 | (56) | NA | 363 | (27) | NA | 4 | (9) | NA |
| Unspecified/Unknown§ | 930 | — | — | 353 | — | — | 108 | — | — |
Abbreviation: NA = not available.
*
Hospital outpatient data available only for 2005–2010, inpatient through 2010. Data restricted to events in months of May–September.
†
Neighborhood poverty level was based on postal code and defined as the percentage of residents with incomes below 100% of the federal poverty level, according to the American Community Survey 2007–2011. Rates were based on 2010 census data.
§
Excluded from the denominator used to calculate percentages.
¶
Based on homeless indicator in hospital data and residence unknown in death certificates.