Table 2.
Distribution of the Study Population by Number of risks at Baseline and Risk Status at Last Follow-up Preceding Delivery by Care Group*
| Number of Risks | Intervention | Usual Care | Exact Pearson chi- square p-value |
|---|---|---|---|
| A. Number of Risks at Baseline | |||
| 0 | 13.9% | 13.2% | 0.968 |
| 1–2 | 62.3% | 63.0% | |
| 3–4 | 23.8% | 23.8% | |
| B. Risk Resolution/Increase at Last Follow-up Preceding Delivery | |||
| 1. For Women with 0 Risk at Baseline: | n=54 | n=50 | 0.040 |
| No change in number of risks | 61.1% | 40.0% | |
| Increase by 1–2 risks | 38.9% | 58.0% | |
| Increase by 3–4 risks | 0.0% | 2.0% | |
| 2. For Women with 1–2 Risks at Baseline: | n=221 | n=239 | 0.021 |
| Resolution of all risks | 29.0% | 18.4% | |
| No change in number of risks | 67.0% | 75.3% | |
| Increase to 3–4 risks | 4.1% | 6.3% | |
| 3. For Women with 3–4 Risks at Baseline: | N=87 | n=85 | 0.383 |
| Resolution of all risks | 8.0% | 4.7% | |
| Reduced risks to 1–2 | 66.7% | 61.2% | |
| No change in number of risks | 25.3% | 34.19% | |
*
among women with at least one follow-up interview preceding delivery (intervention=362 and usual care=374).