Table 3.
Bivariate and Multivariate Models of the Risk of Moderate Anemia (Hgb < 11 g/dL) Among 516 Pregnant Women
| No. of women | Anemic, % (95% CI) | PR (95% CI) | PR P value | aPR a (95% CI) | aPR P valuea | |
| Age | ||||||
| 15–24 | 236 | 56.0 (46.5–65.4) | REF | .226 | Not included | … |
| 25–34 | 204 | 61.2 (51.4–71.0) | 1.09 (0.87–1.38) | |||
| 35–49 | 76 | 44.0 (28.8–59.2) | 0.79 (0.54–1.15) | |||
| HIV | ||||||
| Negative | 514 | 56.4 (50.1–62.7) | REF | .3413 | Not included | … |
| Positive | 6 | 74.3 (32.9–100) | 1.32 (0.75–2.32) | |||
| Residence | ||||||
| Urban | 207 | 50.2 (40.7–59.8) | REF | .1233 | REF | .1449 |
| Rural | 313 | 60.3 (52.2–68.4) | 1.20 (0.95–1.51) | 1.19 (0.94–1.51) | ||
| Wealth index | ||||||
| Highest | 78 | 62.0 (49.2–74.8) | REF | .3899 | Not included | … |
| High | 107 | 43.8 (30.6–57.0) | 0.71 (0.49–1.02) | |||
| Moderate | 116 | 61.4 (48.7–74.1) | 0.99 (0.74–1.33) | |||
| Low | 99 | 59.8 (45.0–74.7) | 0.96 (0.70–1.33) | |||
| Lowest | 120 | 57.6 (44.3–70.9) | 0.93 (0.68–1.27) | |||
| Gravidity | ||||||
| Primigravidae | 110 | 58.9 (45.4–72.4) | REF | .6077 | Not included | … |
| Secundigravidae | 81 | 62.1 (46.8–77.3) | 1.05 (0.75–1.47) | |||
| Multigravidae | 329 | 54.2 (46.3–62.1) | 0.92 (0.70–1.21) | |||
| Trimester | ||||||
| First | 136 | 46.0 (33.3–58.8) | REF | .2002 | Not included | … |
| Second | 223 | 61.4 (51.7–71.1) | 1.33 (0.97–1.83) | |||
| Third | 161 | 58.9 (48.1–69.6) | 1.28 (0.92–1.78) | |||
| Malaria parasitemia | ||||||
| No | 354 | 54.6 (47.0–62.3) | REF | .4481 | REF | .5571 |
| Yes | 166 | 59.7 (48.9–70.4) | 1.09 (0.87–1.37) | 1.07 (0.85–1.35) |
Abbreviations: Hgb, hemoglobin, PR, prevalence ratio; aPR, adjusted prevalence ratio; REF, reference group; HIV, human immunodeficiency virus. The wealth index was a household score of good owned and lodging characteristics that was subsequently partitioned into quintiles. All proportions, PR, and aPR calculated using sampling weights.
a
Results of multivariate Poisson regression model.