The effect of a 5-year hand hygiene initiative based on the WHO multimodal hand hygiene improvement strategy: an interrupted time-series study

Table 5 Parameter estimates, 95% CIs and P-values from segmented regression model describing the trends of monthly ABHR consumption

	Coefficient	95% CI	P-value^a
Intercept	4.344	2.032–6.656	< 0.001
Baseline trend	0.006	−0.103-0.115	0.919
Level change from last point in the pre-implementation to the first point in the implementation phase	4.387	1.499–7.276	0.003
Slope change from pre-implementation to implementation	0.479	0.359–0.599	< 0.001

ABHR alcohol-based hand rub, CI confidence interval
The model describes trends and change in the error rate during the pre-implementation, and implementation phases
^aCalculated using Student’s t-test

ISSN: 2047-2994