Table 2.
Log-binomial regression modeling of significant predictors for one or more missed visits versus no missed visits by 28 weeks adjusted for all variables in the table. a, b
| Predictorsa | Missed one or more visits | Risk Ratio (95% CI) | P-value | |
|---|---|---|---|---|
| Maternal hemoglobin at baseline (per increase of 1 g/dl) | Observed (2274) | 660 (29.0%) | 0.94 (0.89, 0.98) | 0.009 |
|
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| Maternal age at baseline (per increase of 1 year) | Observed (2274) | 660 (29.0%) | 0.95 (0.94, 0.96) | <.001 |
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| First pregnancy | No (1990, 87.5 %) | 541 (27.2%) | 1.0 (referent) | 0.16 |
| Yes (284, 12.5%) | 119 (41.9%) | 1.13 (0.95, 1.35) | ||
This table only includes covariates that were significant at the 0.10 level when included as the sole covariate in the model. The following covariates were not significant at the 0.10 level in univariate (i.e., unadjusted) models: living with partner, widowed, literate, education above primary school, ever married, walks to clinic, infant birth weight, infant adverse event at birth, maternal adverse event at delivery, maternal CD4 count at baseline ≥350 cells/ul, and treatment arm.
N = 2274 mother-infant pairs were included. 95 observations were excluded due to missing values of maternal hemoglobin (n=5), maternal age (n=7), or first pregnancy (n=83).