Table 3. Estimated rate of new HIV infections by sex, race/ethnicity, age group and mode of transmission, Los Angeles County, 2008–2009.
| 2008 | 2009 | |||
| Rate (per 100,000) | (95% CI) | Rate (per 100,000) | (95% CI) | |
| Sex at Birth | ||||
| Male | 36 | (27–44) | 38 | (28–47) |
| Female | 4 | (2–7) | 8 | (2–13) |
| Race/ethnicity | ||||
| White | 17 | (12–23) | 20 | (12–27) |
| Black | 44 | (29–59) | 56 | (34–78) |
| Latino | 20 | (14–27) | 23 | (15–31) |
| Other | ** | ** | ** | ** |
| Age at Infection (years) | ||||
| 13–29 | 25 | (18–31) | 27 | (20–35) |
| 30–39 | 34 | (23–46) | 40 | (24–55) |
| 40+ | 12 | (8–17) | 14 | (9–19) |
| Mode of Transmission | ||||
| MSM1 | 447 | (339–555) | 493 | (369–617) |
| HET/IDU/OTH2 | 4 | (1–6) | 5 | (1–8) |
1
MSM includes MSM-IDU.
2
Heterosexual/Injection Drug Use/Other mode of transmission.
**
Incidence estimate not calculated due to incomplete data.