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Table 1b. Diagnoses of HIV infection, by year of diagnosis and selected characteristics, 2005–2008—37 states and 5 U.S. dependent areas with confidential name-based HIV infection reporting

  2005 2006 2007 2008
No. Estimateda No. Estimateda No. Estimateda No. Estimateda
No. Rate No. Rate No. Rate No. Rate
Age at diagnosis (yr)
<13 202 217 0.6 169 185 0.5 170 192 0.5 150 182 0.5
13–14 41 44 0.7 46 50 0.8 31 35 0.6 27 33 0.6
15–19 1,213 1,299 8.7 1,343 1,465 9.7 1,548 1,741 11.5 1,578 1,895 12.4
20–24 3,893 4,167 28.0 4,005 4,377 29.5 4,332 4,883 32.9 4,569 5,518 37.0
25–29 4,646 4,981 35.2 4,680 5,120 35.0 4,990 5,630 37.5 4,797 5,784 38.0
30–34 5,064 5,433 38.5 4,483 4,902 35.5 4,434 5,000 36.3 4,318 5,228 37.6
35–39 5,926 6,361 43.2 5,412 5,919 39.8 5,246 5,921 39.6 4,607 5,578 37.5
40–44 5,945 6,376 39.5 5,692 6,231 39.3 5,580 6,299 40.5 4,955 6,000 39.4
45–49 4,321 4,635 29.2 4,182 4,569 28.3 4,484 5,061 31.2 4,268 5,182 31.9
50–54 2,743 2,943 20.8 2,734 2,995 20.6 2,992 3,377 22.6 2,775 3,358 22.0
55–59 1,572 1,686 13.6 1,425 1,557 12.0 1,623 1,831 14.0 1,610 1,942 14.6
60–64 745 800 8.5 689 756 7.8 804 910 8.7 810 981 9.0
≥65 676 727 2.8 620 677 2.5 692 782 2.9 627 760 2.7
Race/ethnicity
American Indian/Alaska Native 170 183 153 168 182 204 181 220
Asian 315 341 303 334 377 434 362 444
Black/African American 17,817 19,057 17,291 18,864 17,883 20,179 17,534 21,312
Hispanic/Latinob 7,520 8,130 7,272 8,030 7,402 8,420 6,777 8,260
Native Hawaiian/Other Pacific Islander 43 46 41 44 37 42 29 36
White 10,676 11,430 10,100 11,011 10,679 11,965 9,890 11,783
Multiple races 446 481 320 351 366 418 318 384
Transmission category
Male adult or adolescent
Male-to-male sexual contact 14,357 19,449 14,080 19,497 14,677 21,711 14,004 22,810
Injection drug use 2,112 3,503 1,769 3,133 1,602 3,142 1,151 2,825
Male-to-male sexual contact
and injection drug use
1,044 1,468 880 1,291 764 1,251 620 1,173
Heterosexual contactc 2,564 4,300 2,489 4,281 2,311 4,535 2,130 4,677
Otherd 6,814 127 6,686 131 7,871 84 8,239 111
Subtotal 26,891 28,846 34.2 25,904 28,334 33.2 27,225 30,724 35.5 26,144 31,595 36.2
Female adult or adolescent
Injection drug use 1,056 1,970 885 1,758 761 1,688 635 1,619
Heterosexual contactc 4,611 8,521 4,225 8,435 4,063 8,964 3,488 8,963
Otherd 4,227 113 4,297 90 4,707 94 4,674 80
Subtotal 9,894 10,605 11.9 9,407 10,283 11.5 9,531 10,746 11.8 8,797 10,662 11.6
Child (<13 yrs at diagnosis)
Perinatal 173 185 139 152 140 157 118 141
Othere 29 32 30 33 30 35 32 41
Subtotal 202 217 0.6 169 185 0.5 170 192 0.5 150 182 0.5
Totalf 36,987 39,668 18.8 35,480 38,803 18.2 36,926 41,661 19.4 35,091 42,439 19.5

Note. Data include persons with a diagnosis of HIV infection regardless of stage of disease at diagnosis.

See Technical Notes for the list of areas that have had laws or regulations requiring confidential name-based HIV infection reporting since at least January 2005.

a Estimated numbers resulted from statistical adjustment that accounted for reporting delays and missing risk-factor information, but not for incomplete reporting. Rates are per 100,000 population. Rates by race/ethnicity are not provided because U.S. census information is limited for U.S. dependent areas. Rates not calculated by transmission category because of the lack of denominator data.

b Hispanics/Latinos can be of any race.

c Heterosexual contact with a person known to have, or to be at high risk for, HIV infection.

d Includes hemophilia, blood transfusion, perinatal exposure, and risk factor not reported or not identified.

e Includes hemophilia, blood transfusion, and risk factor not reported or not identified.

f Because column totals for estimated numbers were calculated independently of the values for the subpopulations, the values in each column may not sum to the column total.

 
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