Table 5
Thermostatic mixer valve pre- and post-installation risk
% Of families with at-risk bath water >46°C (intervention)
% Of families with at-risk bath water >46°C (control)
Baseline
100%
100%
Follow-up
19%
87%
Reduction in risk
81%
13%
% Risk difference between groups
68% reduction (0.81−0.13)