| Methods | Randomized controlled trial. | |
| Participants | 24‐34 week singletons with > 6 contractions/hour. Twins excluded. Number of participants: 100 (50/50: knowledge/no knowledge). |
|
| Interventions | FFN knowledge or not. Time FFN results available: unknown. Protocol for FFN knowledge group: no. |
|
| Outcomes | Primary: total costs. | |
| Notes | Intention to treat; only singletons; no protocol. Positive FFN test in each group: 5 (10%) in knowledge, 3 (6%) in no knowledge group. |
|
| Risk of bias | ||
| Bias | Authors' judgement | Support for judgement |
| Allocation concealment? | Low risk | Computer‐generated, opaque envelopes. |
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