Secondary outcome measures at 12-month follow-up by treatment arm (percentage)
| Outcome measure | Intervention arm with water temperature measurement (n=16) | Control arm with water temperature measurement (n=15) | Relative risk (95% CI) |
|---|---|---|---|
| Bath hot tap water ≤46°C | 13 (81.3) | 2 (13.3) | 6.09 (1.64 to 22.62) |
| Satisfaction with water temperature and flow speed | Intervention arm responders (n=40) | Control arm responders (n=40) | Relative risk (95% CI) |
|---|---|---|---|
| Very happy or happy with bath hot tap water temperature | 32 (82.1) [1] | 23 (57.5) | 1.43 (1.05 to 1.93) |
| Bath water is: | |||
| Very hot—need to add a lot of cold water to the bath | 7 (18.0) (1) | 22 (55.0) | 0.33 (0.16 to 0.68)* |
| Hot—need to add some cold water to the bath | 16 (41.0) | 18 (45.0) | |
| Warm enough—don't need to add any cold water to the bath | 14 (35.9) | 0 (0.0) | |
| Not very warm—not warm enough to bath in | 2 (5.1) | 0 (0.0) | |
| Very happy or happy with speed of bath hot tap water flow | 24 (61.5) [1] | 18 (45.0) | 1.37 (0.90 to 2.09) |
| Safety practices | |||
|---|---|---|---|
| Runs bath using cold water first† | 5 (12.5) | 11 (27.5) | 0.55 (0.22 to 1.39) |
| Bath water temperature checked for every bath | 32 (84.2) [2] | 40 (100.0) | 0.84 (0.73 to 0.97) |
| Bath is only run by adult | 38 (95.0) | 38 (95.0) | 1.00 (0.90 to 1.11) |
| Child bath time always supervised by adult | 32 (82.1) [1] | 34 (85.0) | 0.97 (0.79 to 1.17) |
| Child usually gets in bath after water has been run | 39 (97.5) | 39 (97.5) | 1.00 (1.00 to 1.00) |
| Child has been left alone in the bath† | 13 (32.5) | 8 (20.5) [1] | 1.11 (0.51 to 2.41) |
| Child has been left alone in bathroom while bath is running† | 12 (30.8) [1] | 9 (22.5) | 1.28 (0.62 to 2.68) |