Table 1.
Receipt of drug resistance testing among adults and adolescents with HIV infection diagnosed in 2013 who were linked to HIV care within three months after diagnosis, overall and by selected characteristics – National HIV Surveillance System, six jurisdictions.
| Total linked within 3 months |
Drug resistance testing | Drug resistance testing at linkage |
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|---|---|---|---|---|---|---|---|---|
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|
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|
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| n | (%) | n | (%) | p | n | (%) | p | |
| Overall | 9408 | (100) | 6229 | (66) | 4264 | (68) | ||
| Age, in years | 0.059 | 0.017 | ||||||
| 13–24 | 2038 | (22) | 1393 | (68) | 918 | (66) | ||
| 25–34 | 2943 | (31) | 1928 | (66) | 1310 | (68) | ||
| 35–44 | 1987 | (21) | 1309 | (66) | 917 | (70) | ||
| 45–54 | 1601 | (17) | 1068 | (67) | 752 | (70) | ||
| ≥55 | 839 | (9) | 531 | (63) | 367 | (69) | ||
| Race/ethnicity | <0.001 | 0.009 | ||||||
| Black/African American | 3436 | (37) | 2170 | (63) | 1423 | (66) | ||
| Hispanic/Latino | 3103 | (33) | 2136 | (69) | 1492 | (70) | ||
| White | 2238 | (24) | 1490 | (67) | 1058 | (71) | ||
| Other | 631 | (7) | 433 | (69) | 291 | (67) | ||
| Transmission category* | <0.001 | 0.472 | ||||||
| Male to male sexual contact | 6449 | (69) | 4381 | (68) | 3023 | (69) | ||
| Injection drug use (male) | 311 | (3) | 186 | (60) | 112 | (60) | ||
| Injection drug use (female) | 242 | (3) | 156 | (65) | 107 | (68) | ||
| Male to male sexual contact and injection drug use | 284 | (3) | 187 | (66) | 124 | (66) | ||
| Heterosexual contact (male) | 592 | (6) | 381 | (64) | 259 | (68) | ||
| Heterosexual contact (female) | 1518 | (16) | 930 | (61) | 634 | (68) | ||
| Other | 13 | 7 | 6 | |||||
| Initial CD4 count (cells/mm3) | <0.001 | <0.001 | ||||||
| Missing | 120 | 32 | 28 | |||||
| <200 | 2434 | (26) | 1719 | (71) | 1225 | (71) | ||
| 200–349 | 1819 | (20) | 1294 | (71) | 905 | (70) | ||
| 350–499 | 2009 | (22) | 1340 | (67) | 944 | (70) | ||
| ≥500 | 3026 | (33) | 1844 | (61) | 1162 | (63) | ||
| Area of residence at diagnosis | <0.001 | 0.567 | ||||||
| Los Angeles County | 1349 | (14) | 926 | (69) | 588 | (63) | ||
| Michigan | 643 | (7) | 495 | (77) | 363 | (73) | ||
| New York | 2861 | (30) | 2106 | (74) | 1549 | (74) | ||
| South Carolina | 636 | (7) | 370 | (58) | 162 | (44) | ||
| Texas | 3512 | (37) | 2078 | (59) | 1447 | (70) | ||
| Washington | 407 | (4) | 254 | (62) | 155 | (61) | ||
| Population of area at diagnosis† | <0.001 | 0.877 | ||||||
| Unknown | 25 | 9 | 7 | |||||
| <500,000 | 1226 | (13) | 720 | (59) | 478 | (66) | ||
| 500,000–2,499,999 | 1987 | (21) | 1251 | (63) | 883 | (71) | ||
| ≥2,500,000 | 6170 | (66) | 4249 | (69) | 2896 | (68) | ||
*
Other transmission category omitted due to small numbers.
†
Unknown population of area at diagnosis omitted due to small numbers.