Table 3.
Factors associated with use of multiple HIV clinics in a year
| Characteristic | No. of patients using 1 clinic N = 25,425 PY (%) |
No. of patients using ≥2 clinics N = 1,149 PY (%) |
AOR (95 % CI) |
|---|---|---|---|
| Age (years) | |||
| 18–29 | 3,135 (12.33) | 237 (20.63) | 1.00 (Ref) |
| 30–39 | 4,710 (18.53) | 237 (20.63) | 0.87 (0.70–1.08) |
| 40–49 | 9,612 (37.81) | 396 (34.46) | 0.76 (0.63–0.93) |
| ≥50 | 7,968 (31.34) | 279 (24.28) | 0.66 (0.53–0.82) |
| Sex | |||
| Male | 16,638 (65.44) | 666 (57.96) | 1.00 (Ref) |
| Female | 8,787 (34.56) | 483 (42.04) | 1.23 (1.04–1.45) |
| Race/ethnicity | |||
| White | 4,540 (17.86) | 133 (11.58) | 1.00 (Ref) |
| Black | 16,565 (65.15) | 813 (70.76) | 1.35 (1.09–1.68) |
| Hispanic | 3,416 (13.44) | 155 (13.49) | 1.21 (0.92–1.59) |
| Other/unknown | 904 (3.56) | 48 (4.18) | 1.29 (0.89–1.87) |
| HIV risk factor | |||
| Heterosexual | 12,031 (47.32) | 584 (50.83) | 1.00 (Ref) |
| MSM | 7,925 (31.17) | 286 (24.89) | 0.92 (0.75–1.13) |
| IDU | 4,276 (16.82) | 200 (17.41) | 1.13 (0.93–1.37) |
| Other/unknown | 1,193 (4.69) | 79 (6.88) | 1.20 (0.91–1.58) |
| Insurance | |||
| Private | 4,369 (17.18) | 92 (8.01) | 1.00 (Ref) |
| Medicaid | 12,700 (49.95) | 697 (60.66) | 1.82 (1.40–2.36) |
| Medicare | 3,695 (14.53) | 137 (11.92) | 1.62 (1.19–2.21) |
| Ryan white/uninsured | 4,342 (17.08) | 190 (16.54) | 1.34 (1.01–1.78) |
| Other/unknown | 319 (1.25) | 33 (2.87) | 2.80 (1.78–4.41) |
| Income ($) | |||
| <10,000 | 16,545 (65.07) | 804 (69.97) | 1.00 (Ref) |
| 10,000–19,999 | 5,319 (20.92) | 257 (22.37) | 1.08 (0.92–1.27) |
| 20,000–49,999 | 2,961 (11.65) | 81 (7.05) | 0.85 (0.65–1.12) |
| ≥50,000 | 600 (2.36) | 7 (0.61) | 0.56 (0.25–1.26) |
| Median CD4 cell count (cell/mm3) | |||
| ≤350 | 8,299 (32.64) | 448 (38.99) | 1.00 (Ref) |
| >350 | 17,126 (67.36) | 701 (61.01) | 1.01 (0.89–1.15) |
| First year in care | |||
| No | 21,916 (86.20) | 656 (57.09) | 1.00 (Ref) |
| Yes | 3,509 (13.80) | 493 (42.91) | 5.12 (4.48–5.86) |
| No. of primary HIV visits per year | |||
| 2 | 3,950 (15.54) | 66 (5.74) | 1.00 (Ref) |
| 3 | 4,426 (17.41) | 83 (7.22) | 1.30 (0.93–1.80) |
| 4 | 4,192 (16.49) | 140 (12.18) | 2.46 (1.82–3.33) |
| 5 | 3,254 (12.80) | 126 (10.97) | 2.85 (2.10–3.87) |
| 6 | 2,501 (9.84) | 144 (12.53) | 4.05 (2.99–5.49) |
| 7 | 1,812 (7.13) | 110 (9.57) | 4.08 (2.96–5.62) |
| ≥8 | 5,290 (20.81) | 480 (41.78) | 6.53 (4.98–8.58) |
| Year | |||
| 2008 | 7,133 (28.06) | 328 (28.55) | 1.00 (Ref) |
| 2009 | 8,725 (34.32) | 428 (37.25) | 1.20 (1.04–1.38) |
| 2010 | 9,567 (37.63) | 393 (34.20) | 1.11 (0.95–1.28) |
AOR adjusted odds ratio, ART antiretroviral therapy, HET heterosexual transmission, HIV human immunodeficiency virus, IDU injection drug use, MSM men who have sex with men, PY patient-year