Table 2. Lost to HIV Care in the Postpartum Year among HIV-Infected Women with a Live Birth, Diagnosed Before Pregnancy, New York State, 2008–2010, Pregnancy-Related and HIV Characteristics.
| Lost to HIV Careb | |||||
|---|---|---|---|---|---|
| Totala n = 980 | Yes n = 232 (24%) | No n = 748 (76%) | Crude RR (95%CI)c | χ2 p-valued | |
| n (%) | n (%) | n (%) | |||
| Year of delivery | .97 | ||||
| 2008 | 323 (33%) | 78 (24%) | 245 (76%) | 1.01 (0.77–1.33) | |
| 2009 | 356 (36%) | 83 (23%) | 273 (77%) | 0.98 (0.74–1.29) | |
| 2010 | 301 (31%) | 71 (24%) | 230 (76%) | Referent | |
| Trimester of first prenatal care visit | <.0001 | ||||
| First | 439 (53%) | 73 (17%) | 366 (83%) | Referent | |
| Second | 298 (36%) | 79 (27%) | 219 (73%) | 1.59 (1.20–2.11) | |
| Third | 64 (8%) | 22 (34%) | 42 (66%) | 2.07 (1.39–3.08) | |
| No Care | 24 (3%) | 12 (50%) | 12 (50%) | 3.01 (1.91–4.72) | |
| Unknown | 155 (--) | 46 (--) | 109 (--) | ||
| Received ART during pregnancy | <.0001 | ||||
| Yes | 940 (96%) | 210 (22%) | 730 (78%) | Referent | |
| No | 37 (4%) | 19 (51%) | 18 (49%) | 2.30 (1.64–3.21) | |
| Unknown | 3 (--) | 3 (--) | 0 (--) | ||
| Type of delivery | .45 | ||||
| Vaginal | 383 (39%) | 86 (22%) | 297 (78%) | 0.91 (0.72–1.15) | |
| C-section | 594 (61%) | 146 (25%) | 448 (75%) | Referent | |
| Unknown | 3 (--) | 0 (--) | 3 (--) | ||
| Number of previous live births | .16 | ||||
| Zero | 243 (29%) | 45 (19%) | 198 (81%) | Referent | |
| One | 221 (27%) | 57 (26%) | 164 (74%) | 1.39 (0.99–1.97) | |
| Two or more | 362 (44%) | 78 (22%) | 284 (78%) | 1.16 (0.84–1.62) | |
| Unknown | 154 (--) | 52 (--) | 102 (--) | ||
| Length of HIV diagnosis (in years) | .14 | ||||
| <2 | 20 (2%) | 3 (15%) | 17 (85%) | 0.67 (0.24–1.93) | |
| 2-<5 | 299 (31%) | 82 (27%) | 217 (73%) | 1.23 (0.98–1.56) | |
| ≥5 | 661 (67%) | 147 (22%) | 514 (78%) | Referent | |
| HIV transmission risk | .03† | ||||
| Heterosexual | 806 (82%) | 203 (25%) | 603 (75%) | Referent | |
| IDU | 68 (7%) | 14 (21%) | 54 (79%) | 0.82 (0.50–1.32) | |
| Perinatal infection | 101 (10%) | 14 (14%) | 87 (86%) | 0.55 (0.33–0.91) | |
| Other | 5 (1%) | 1 (20%) | 4 (80%) | 0.79 (0.14–4.60) | |
| Last CD4 before delivery | .49 | ||||
| 0–350 cells/mm3 | 318 (33%) | 76 (24%) | 242 (76%) | 1.09 (0.85–1.39) | |
| ≥350 cells/mm3 | 639 (67%) | 140 (22%) | 499 (78%) | Referent | |
| Missing/Unknown | 23 (--) | 16 (--) | 7 (--) | ||
| Last HIV viral load before delivery | .02 | ||||
| ≤200 copies/mL | 690 (75%) | 148 (21%) | 542 (79%) | Referent | |
| >200 copies/mL | 230 (25%) | 66 (29%) | 164 (71%) | 1.34 (1.04–1.72) | |
| Missing/Unknown | 60 (--) | 18 (--) | 42 (--) | ||
| Median CD4 count (IQR)e | 442 (290–607) | 427 (275–604) | 454 (296–607) | N/A | N/A |
| Median viral load (IQR)e | 0 (0–200) | 0 (0–380) | 0 (0–151) | N/A | N/A |
| Lost to HIV care before (12 mos.) pregnancy | <.0001 | ||||
| Yes | 685 (70%) | 101 (15%) | 584 (85%) | Referent | |
| No | 295 (30%) | 131 (44%) | 164 (56%) | 3.01 (2.42–3.76) | |
a column percent shown
b row percent shown
c RR = relative risk of being lost to follow-up (i.e., not retained) compared to referent; CI = confidence interval.
d χ2 p-value calculated for non-missing data;
†χ2 p-value excludes persons in “Other” category.
e Interquartile range, missing values excluded;
N/A = not applicable.