Table 2.
Predictors of loss to follow-up from HIV care at 6 months postpartum among HIV-infected Zambian women initiating cART during pregnancy.
| Unadjusted | Full Model | Final Model | Risk Score | |
|---|---|---|---|---|
| Covariate | OR (95% CI) | OR (95% CI) | OR (95% CI) | |
| Age | ||||
| >25 | 1.00 | 1.00 | ||
| ≤ 25 | 1.41 (1.15, 1.74)a | 1.10 (0.77, 1.56) | ||
| Education | ||||
| Secondary or tertiary | 1.00 | 1.00 | 1.00 | -- |
| Primary or none | 1.36 (1.10, 1.69)a | 1.33 (1.01, 1.76) | 1.41 (1.10, 1.80)b | 3 |
| Marital status | ||||
| Married or cohabitating | 1.00 | -- | ||
| Singled, divorced or widowed | 1.18 (0.86, 1.62) | -- | ||
| Employment status | ||||
| Employed or student | 1.00 | 1.00 | 1.00 | -- |
| Housewife or unemployed | 1.66 (1.27, 2.16)a | 1.47 (1.06, 2.03) | 1.56 (1.17, 2.07)b | 4 |
| CD4 count (cells/uL) | ||||
| 251–350 | 1.00 | -- | ||
| 151–250 | 1.13 (0.89, 1.42) | -- | ||
| ≤150 | 0.97 (0.75, 1.27) | -- | ||
| WHO Clinical Stage | ||||
| 3 or 4 | 1.00 | 1.00 | 1.00 | -- |
| 1 or 2 | 1.28 (0.87, 1.89)a | 2.18 (1.26, 3.75) | 1.73 (1.10, 2.73)b | 5 |
| Duration of cART before delivery | ||||
| > 4 | 1.00 | 1.00 | 1.00 | -- |
| 1–4 | 1.70 (1.35, 2.16)a | 1.69 (1.23, 2.32) | 1.73 (1.32, 2.27)b | 5 |
| HIV diagnosis during pregnancy | ||||
| No | 1.00 | -- | ||
| Yes | 0.94 (0.70, 1.27) | -- | ||
| Body mass index (kg/m2) | ||||
| 18.5 – <25 | 1.00 | -- | ||
| <18.5 | 0.98 (0.54, 1.79) | -- | ||
| 25 – <30 | 0.96 (0.76, 1.22) | -- | ||
| ≥30 | 0.85 (0.54, 1.33) | -- | ||
| Hemoglobin (g/dL) | ||||
| ≥10 | 1.00 | 1.00 | ||
| 8–<10 | 0.86 (0.67, 1.11)a | 0.86 (0.63, 1.18) | ||
| <8 | 1.11 (0.63, 1.97) | 1.83 (0.87, 3.83) | ||
| Active tuberculosis | ||||
| No | 1.00 | -- | ||
| Yes | 1.31 (0.62, 2.77) | -- | ||
| Number of ANC visits | ||||
| ≥ 3 | 1.00 | 1.00 | 1.00 | -- |
| 1 or 2 | 1.38 (1.11, 1.72)a | 1.31 (0.97, 1.76) | 1.31 (1.02, 1.68)b | 3 |
| Parity | ||||
| >2 | 1.00 | 1.00 | -- | |
| 2 | 1.17 (0.88, 1.55) | 1.09 (0.76, 1.57) | 1.31 (0.96, 1.81)b | 3 |
| 1 | 1.26 (0.96, 1.66)a | 1.19 (0.80, 1.76) | 1.42 (1.04, 1.94)b | 3 |
| 0 | 1.53 (1.15, 2.05)a | 1.30 (0.80, 2.10) | 1.83 (1.29, 2.59)b | 6 |
| Low birthweight (<2,500 grams) | ||||
| No | 1.00 | -- | ||
| Yes | 1.25 (0.95, 1.65) | -- | ||
| Preterm delivery (<37 weeks gestation) | ||||
| No | 1.00 | 1.00 | ||
| Yes | 1.27 (1.01, 1.58)a | 1.09 (0.82, 1.44) | ||
a
P < 0.25,
b
P < 0.10