Table 6.
Multiple linear regression model for predictors of placental malaria density
| Independent significant factors | Coefficient | Standard error | P | 95% Confidence interval | |
|---|---|---|---|---|---|
| Upper | Lower | ||||
| Gestational age (weeks) | |||||
| < 14 | 1 | 1 | 1 | 1 | 1 |
| 14–20 | 167.60 | 297.85 | 0.574 | − 420.74 | 755.96 |
| 21–27 | − 360.73 | 434.87 | 0.408 | − 1219.73 | 498.26 |
| 28–35 | − 329.80 | 1229.03 | 0.789 | − 2757.49 | 2097.89 |
| Booking CD4 count | |||||
| 351–500 | 1 | 1 | 1 | 1 | 1 |
| < 250 | 1639.69 | 712.70 | 0.023* | 231.89 | 3047.49 |
| 250–350 | 1027.12 | 458.58 | 0.027* | 121.29 | 1932.96 |
| > 500 | − 52.89 | 306.05 | 0.863 | − 657.45 | 551.65 |
| CD4 count at 36 | |||||
| 351–500 | 1 | 1 | 1 | 1 | 1 |
| < 250 | − 1143.2 | 792.62 | 0.151 | − 2708.87 | 422.47 |
| 250–350 | − 821.94 | 511.78 | 0.110 | − 1832.87 | 188.98 |
| > 500 | − 308.30 | 291.46 | 0.292 | − 884.04 | 267.42 |
| Use of ITN | |||||
| Yes | 1 | 1 | 1 | 1 | 1 |
| No | 110.78 | 224.92 | 0.623 | − 333.51 | 555.07 |
| IPT dose | |||||
| 3 doses | 1 | 1 | 1 | 1 | 1 |
| 0 dose | 281.07 | 1216.53 | 0.818 | − 2121.92 | 2684.07 |
| 1 dose | − 927.64 | 506.84 | 0.069 | − 1928.80 | 73.51 |
| 2 doses | 517.28 | 239.10 | 0.032* | 44.98 | 989.58 |
| Treatment of malaria | |||||
| Yes | 1 | 1 | 1 | 1 | 1 |
| No | 6357.33 | 283.13 | < 0.001* | 5798.06 | 6916.60 |
* Statistically significant