Positive predictive value (PPV) of self reported safety practices
| Intervention | Control | |||
|---|---|---|---|---|
| Reported safe* | PPV (%) | Reported safe* | PPV (%) | |
| *Number reported safe behavior in follow up questionnaire. | ||||
| Any working smoke alarm | 77 | 61 | 54 | 52 |
| Working alarm each level | 53 | 25 | 39 | 26 |
| Stair gate | 22 | 55 | 18 | 56 |
| Syrup of ipecac | 15 | 33 | 7 | 71 |